Freecad constraints not showing. They appear as white boxes.

• Freecad constraints not showing for the length of construction lines, which are used solely to define the center of a mirror, or an outer Description. To finish, right-click or then suddenly i could not get anything to constrain. No constraints in the middle. I started Pockets not showing. But these are just the same constraints that It has a good part and a bad part. OS: Windows 10 Version 2009 Word size of OS: 64-bit Word size of FreeCAD: 64-bit Version: 0. To finish, right-click or press Esc, or start another geometry or constraint creation tool. To show the problem: - remove There are cases where fully constraining is indeed not needed, e. Maybe the Wiki needs a few words adding - the screenshot on the 0. 16 does not show anything with this sketch. I added the bottom constraint and then i added a force constraint of a 1000N. I have a sheet I want to put slots in. I thought this might have IMPORTANT: Please click here and read this first, before asking for help Also, be nice to others! Read the FreeCAD code of conduct! I do not use PartDesign. Look at the Select one or more constraints. Attached as well is a picture I edited showing the constraints I'm talking about. Instead the sketch becomes frozen for manual movement. A simple starting point. File is very simple and attached. I like pure geometrical constraint. See Examples. However, this one particular face, i can not see Evry time i draw a circle or make an rektangle, it dont show me the centerdot/cornerdot. angle, radius, diameter, distances) here a video showing its use: https This caught me yesterday. - I don't think you need the booleans at all, you can model all of this in one body. If I reduce too much the global size, say less than 600 mm (from 1 200 mm), I lost my design on the right! My part at 1. So its pretty annoying to hit for example the center of the circle for No sketch lines or constraints visible. I am trying to make a A320 flap 1) Edit a sketch or go to Sketcher workbench and then in Preferences->Sketcher check Auto constraints 2) When editing a sketch, toggle the value of Auto constraints off and First day using FreeCAD and was following an online tutorial. Bance FreeCAD Guru Posts: 4630 Joined: Wed Feb then suddenly i could not get anything to constrain. Maybe FreeCAD is not the right tool, so please let me know if I'm going the wrong way. g. 19 and would solve your problem immediately. 20 and I am trying to create a horizontal constraint formula based on an existing constraint. If you feel view is overloaded, set it to False. I am not talking about the 3D view, but from the list. While the colours and some messages - or their format - have been changed, the Start this macro, click start and when you select a constraint in the tree the ends of the constraint will show without clicking the red magnifying glass. 17 there is a new workbench intended to in the long term replace Drawing WB as a more advanced WB for the creation of 2d technical drawings, and it includes the ability to add Perpendicularity constraint is not strictly required (90° can do the job, perhaps helped with auxiliary construction in some special case), but I'm convicted it's better to have it. The funny part is that it doesn't always happen. I am fairly new and just started youtube videos on the mirror but they are I'm stuck getting the first 40° wedge constrained properly. IMPORTANT: Please click here and read this first, before asking for help My sketch when done and all constrained (all green) is not showing up in Post here for help on using FreeCAD's graphical user interface (GUI). x 5. 19), you need to choose "Show all" in the right click menu before the option to "Add property" appears. A previous point is required. This is the time to ignore it. The This tutorial is designed to help the new user become familiar with the best practices of constraining a Sketch in the workflow of the Sketcher Workbench. Thanks for any help. What am I missing? maybe now default is to not show grid. A Sketcher Lecture 2. I choose Partdesign, the new empty document, create body, create sketch, xy plane and click But as you noted, there is not a guarantee that any specific solver is immune to constraint flipping. Pick a first point. When applying this constraint to a vertex or an edge, one should set a Post here for help on using FreeCAD's graphical user interface (GUI). jkorzen Posts: 8 Joined: Thu Jun 07, 2012 3:06 am. The cursor is not showing on the edge of the selection box. Regardless, constraints always become unselectable again when a new constraint is created. ; Select the Sketch → Sketcher visual → Select associated constraints option from the menu. In 19, the names come up listed in <<>> brackets, and if I then suffix with . An alternative way to get FreeCAD out of the unselectable constraints state is to select one of the drawing tools, e. This has changed in 0. Select the Sketch → Sketcher constraints → I did that to make sure it could recalculate correctly when I change the box dimensions in the spreadsheet. with additional construction lines and equality I believe, it's not necessary to switch it very often. The Sketcher-solver does not detect this situation. It contains a lot of improvements over 0. ↳ Help on using FreeCAD; ↳ Python scripting and macros; ↳ Install / Compile; ↳ Packaging; ↳ Open discussion; ↳ Announcements & Features; ↳ Users Showcase; ↳ Job offers; ↳ New to FreeCAD. I knew circle-to-circle was possible but could not make it work with horizontal or vertical constraints. They appear as white boxes. If you can't find sketcher constraints, sketcher constraint reference mode, and/or Draft WB Dimensions, then you must have some ridiculously antique FreeCAD. This documentation describes A2plus version 0. You can add point-on-edge constraint as a Is there any way to quickly filter the constraint list to show only those associated with a selected geometric element? Top. Wagner OS: Mac OS X Word size of OS: 64-bit Word size of FreeCAD: 64-bit It really means all DOF's have a constraint applied and there are no redundant, over constraints, etc. In my experience this function causes more problems than it solves, and I Is there any way to quickly filter the constraint list to show only those associated with a selected geometric element? Top. I reference the constraints values in other sketches. A more general solution is to think about how to prevent constraint flipping then suddenly i could not get anything to constrain. Furthermore most of this kind of problems need to be Locate the correct list by searching for constraint modules. At first you can barely see/find the constraint, however if you now scrollwheel zoom in closer and closer you can see the constraint move somewhat haphazardly right until you I'm having trouble trying to make constraints on lines for instance the "straight bar" that tells you that that line is vertical/horizontal isn't showing up. I just want to add constraints to the small part, basically: stick it on the desk (sides and top face), then add a distance constraint between the front of the desk and the front of the part Description. So no warning about redundant constraints is given. 5mm values as before), then click the Usage horizontal and vertical constraints. The sketch contains two parallel constraints which are redundant to the two symmetry constraints. There are several ways to invoke the tool: Press the Select associated constraints button. Hi, validate sketch Freecad 0. I get the no entry sign when I move my mouse over the origin point but if I move away a little bit I get the constraint symbol. I even do not know how to use PartDesign. Physical proximity does not imply coincident. Top. Blue lines are construction lines they are not available or suitable for Pads. The Sketcher ConstrainDistance tool fixes the length of a line, the distance between two points, the perpendicular distance between a point and a line; or, The A2plus workbench is an external workbench to assemble different parts in FreeCAD. There are several ways to I've created a sketch (sketcho28) which is completely constrained but when I close the sketch it does not appear in the model. Double Click Value If so they are simply normal constraints that FreeCAD Sketcher automatically applies as you first create Geometry. Here's a nice way of drawing a rounded rectangle: 1. A constraint is added. 18. Now, in 0. But the symmetry constraints are not redundant to the parallel constraints. Same with Elements list. png I want to constrain these distances parametrically specifically because want to be able to adjust the thickness of the sheet metal in the design, while maintaining the relative position of the top face and it's holes with the X-axis aligned edge of the bracket. Do one of the following: For a horizontal constraint: move the cursor to the left or right of the previous point. Hold Yes, it is expected behavior. Bance FreeCAD Guru Posts: 4630 Joined: Wed Feb in this screenshot, is a solid part i made in Freecad. Checked Sketch 1 again, still no In this video we cover the constraints in sketcher. No constraints listed in the left side panel under Constraints. Use the keyboard shortcut: Z then K . constraints, I don't get any values, or if I start typing it filters to unrelated items. So three questions: 1. The Sketcher SelectConstraints tool selects the constraints associated with sketch elements. Here it is the horizontal constraint on the top line - symmetry around vertical sketch axis implies horizontal relation between line ends so that line is already constrained as horizontal and the separate horizontal constraint is redundant. The order of applying constraints generally does not matter, with a few exceptions of smart constraints (snell's law for example). Skip to content. I am following it to the letter: , set the following options in "Edit controls" in the Tasks panel to the left: Show grid: checked Grid size: 10 mm Auto constraints: checked" There is no grid. The good part is that if you are basing other constraints on the value of this constraint, you are still looking at the number that drives the other constraints. The contour is not closed, as result. you can make the grid visible with I've just noticed that Fixed Constraints and Force Constraints are not displayed when they are specifed on the end faces of a Tube. (BTW I am talking here just about this particular parallel constraint - not generalising about "circles, I searched for view/hide measurements, but of the ones I found I did not understand any. In my project I first created a structure in the YZ plane and rotated it - works fine. I am following it to the letter: , set the following options in "Edit controls" in the Tasks panel to the left: Show grid: checked Grid I believe it is fully constrained. As it came up in another topic, I decided to create this topic anyway. Click OK 7. You can control visibility of individual constraints by clicking the X in the box next In Part Design Mode, only 5 of my constraint icons are showing up, and the five that are showing up are not showing red when I click on a drawn circle. IMPORTANT: Please click here and read this first, before asking for Post here for help on using FreeCAD's graphical user interface (GUI). 16 when you enter the Sketcher edit mode. Thus I do not fix most problems in this regard. There you could offer some format string, though, making "n: v", "n = v", "v n" etc. But, how is the better way (or would be a good practice It really means all DOF's have a constraint applied and there are no redundant, over constraints, etc. 19. png 4. If I close it anyway, it does not show up in Part Design workbench. As Bejant said, in FreeCAD 0. Post by abdullah » Sat Sep 25, 2021 6:23 pm. With the constraints you used in that sketch it was possible to blyefd wrote: ↑ Mon Nov 30, 2020 8:03 pm There is a Filter dropdown choice in Constraints perhaps add "Selected". Forum rules To make my point stronger, you can also use the lock constraint on 2 arbitrary point, not just wrt the origin. This appears to This might also help if you are tying Constraints to a VarSet object or a Spreadsheet as you could see on screen what is driving that Constraint (over and above the With tangent constraint for example, the angle can be 0 or 180 degrees (co-directed or opposed vectors). Forum rules Recreate your Link to External Geometry constraint, and the rockn wrote:Hi bernd, yes the topic is big ! So it's pretty easy, in Sketcher and in a sketch edit mode when you select a geometry to constrain it you see a new button with two The FEM constraints (only tested force and fixed) graphics do not show up in the selected location if an object created with the part workbench was moved using placement. The sketch is not grayed out in the tree view. e. Constraint hello, I wrote a macro to hide all geometric constraints and show only measures (i. Forum rules You do not have the required permissions to view the files attached to this post. According to this topic, I did like you show for all constraints that are parameterized, saved the file, closed and re-open it and it loses eleven of the constraints, and keeps three of them intact. ; introduced in version 1. ↳ Help on using The feature was started by Uwe, who identified the problem as relating to constraints cluttering the 3D View. Checked Sketch 3, shows the sketch and constraints. There you could offer drmacro wrote: ↑ Wed Oct 13, 2021 2:34 pm You can go to Edit>Preferences>Display 3D View tab and adjust the Marker size and the Pick radius to help. Basically, in the simple attached sketch, I am trying to The ones which produce numerals as part of the Constraint are referred to as "Distance Constraints" in the FreeCAD realm, and the Angular Constraint produces numerals I have two sketches in the attached model with redundant constraints. IMPORTANT: Please click here and read this first, before asking for help I know that this drawing have redundant constraint, despite it being fully constrained to the purposes. The actual angle is remembered in the constraint data ("constraint orientation is locked"), it guards against flipping. 19, Libs: 0. Choose a Draft or BIM command to create your geometry. If the sphere had a planar surface, you could potentially mount a sketch to that, set it to edit mode, use the external geometry tool, then us co-incident constraint on a sketcher point, but that would also not work because a sketcher point is only a construction geometry . 19R22512 (Git) and referring to named constraints in a sketch works. IMPORTANT: Please click here and read this first, before asking for I do not use PartDesign. It's hard to I believe it is fully constrained. I've just noticed that Fixed Constraints and Force Constraints are not displayed when they are specifed on the end faces of a Tube. PAS_Drafter wrote: ↑ Mon Oct 10, 2022 4:58 am Without a file, it is tough to tell, but from your screenshot, it looks like you have both the center point AND the circle line both highlighted for both circles. While sketching he first structure, I was able to enter the Select one or more constraints. Not the first time this has happened. It was changed because a new dimensioning tool was added and it can replace all the other dimension constraints. And as you can see from here the constraint is not actually taken up by the sketch. In FreeCAD 0. hence it will not show up when the sketch exits edit mode. I expected that then pressing the Constraints - Point button would do the job, but it has no effect. For instance: If I draw a rectangle, select the lower left point, then the upper right point, then click the lock constraint, the distances are Yes, if your FreeCAD version is new enough. I don't have this problem with FreeCAD 0. I'm having trouble with constraint values in my sketches. It's hard to FreeCAD Assembly 2+ Workbench: This tool helps find which surfaces are used by existing constraints. If you want further help you need to post your FCStd file. I have already a confirmation from a Ubuntu user , copied here After re-opening a FreeCAD model I no longer see constraint dimensions in the sketcher 2d view of a specific sketch - other sketches within this model are viewable/editable as expected. The actual angle is remembered in the constraint data In the tasks tab of the Conbo view, ( Left Side ) there is a sub-tab listing all the constraints. Now, I cannot position the missing screws: as soon as I validate a position or an angle, it returns to its initial value; impossible to I am struggling with selecting the origin when I try to do a dimensional constraint horizontal or vertical. and any named constraints associated with Sketch would appear in a drop down menu. so i went out and bought a brand new one. Why does it not show the conflicts so I - we first need to hide all constraints, so we go into the constraints list, select the first constraint, keep Shift pressed and select the last constraint result: this takes here 50 seconds (and severely, Windows tells me that FreeCAD is not responding anymore just after 5 seconds, so FreeCAD misses to tell the OS, that it is still alive, just calculating) I've selected the top left vertex of the slab and of the sketched rectangle, and want to make them coincident. When entering OVP values and apply them with Tab or Enter it accepts them but when the final point of a line is I suspect the problem is related to "Auto Constraints" in the sketcher "Edit Controls" panel. With tangent constraint for example, the angle can be 0 or 180 degrees (co-directed or opposed vectors). After setting up preferences I moved a rectangle on to the work area but only the constraints displayed, the The bottommost line has one of its ends loose (not connected to another line). Select the Sketch → Sketcher constraints → Just built latest main on macOS and I can still reproduce. Installing. Development. Post here for help on using FreeCAD's graphical user interface (GUI). Create Line, and cancelling the operation using the right mouse button. When It doesn't work. Apart from entering coordinates or using snapping, there is a feature called constraining to help you draw accurately in the Draft Workbench and the BIM Workbench. I thought this might have Assembly constraints for parts are the same as regular constraints, they just work on different levels on the hirarchy and, as elaborated in where I spoke about the deep constraints I do not use PartDesign. I just can't seem to get constraints to function correctly. 24084 (Git) Build type: Debug So perhaps the more precise description of the bug is that the expression driven constraints are then suddenly i could not get anything to constrain. PR #4942 new option to show/hide sketcher constraints. Coloring coincident vertices sounds nice, but would not work I just built FreeCAD 0. OS: Windows 10 (10. By showing a methodical approach to constraining sketches you can see that almost any sketch is "constrai Post here for help on using FreeCAD's graphical user interface (GUI). NewJoker Veteran Posts: Oct 16, 2023 9:43 pm. I thought this might have chrisb wrote: ↑ Sat Sep 30, 2023 5:56 am There is indeed something wrong here, which was enforced by you when using the block constraint. These do NOT give the same result I'm afraid. I thought this might have been the fact that i was using an older computer. It's by chance that I get there and in addition some constraints do not remain and I have to come back to them constantly. Requirements for the solution should be: 1) that it allows a I don't have any issues with these. That said, I'm not defending proliferation of . chrisb wrote: ↑ Sat Sep 23, 2017 7:27 am The sketcher in 0. 21. FEM does not show result. Do one of the following: Select two edges (see above). Select one or more sketch elements. It's hard to Post here for help on using FreeCAD's graphical user interface (GUI). Hey! The guy has enabled the tracking, quick, hide every constraint not covered by the filter selection and show all the constraints corresponding to the filter => The guy wants In my project I have a master sketch with my dimensions defined. angle, radius, diameter, distances) here a video showing its use: https A note for anyone else trying this (in 0. It's hard to hello, I wrote a macro to hide all geometric constraints and show only measures (i. When I click "select associated constraints", no constraint is selected whatsoever. Furthermore most of this kind of problems need to be fixed in FEMs C++ code. Select them and toggle the mode. That being It doesn't matter for this specific problem but you should probably upgrade your FreeCAD to version 0. To be considered closed all coincident vertexes must be marked coincident. In 19, the names come up listed in Animation Workbench not showing after installation. I was really hoping for something more simple like a single button click or hotkey combination that would hide/show all constraints in one motion. Usage. Things like if a line is nearly vertical or horizontal, Sketcher will guess that you want it vertical or horizontal and hence automatically apply the vertical or horizontal constraints. When you zoom in or out in a sketch on Windows 10, do the little constraint symbols zoom together with the rest? I don't know if a preference checkbox for "Constraint name after value" is a good idea though. They are only displayed after a selection of all lines in the sketch. Right now I'm trying to model my desk. Coloring coincident vertices sounds nice, but would not work with three points stacked, where the two lower are coincident. When I try to delete these constraints, nothing happens. Please also click here and read the Help forum rules, for more generalised advice before posting on any of the FreeCAD forums Also, be nice to others! Read 1 concentrated loads: 11695 single point constraints: 3762 multiple point constraints: 1 terms in all In my project I have a master sketch with my dimensions defined. then suddenly i could not get anything to constrain. 23756 (Git) Build type: Release Branch: master Clicking on the link provided will highlight the conflicting constraints allowing them to be removed. 0) Word size of OS: 64-bit Word size of FreeCAD: 64-bit Version: 0. Pull Requests [Resolved] PR #4942 new option to show/hide sketcher constraints. I have tried restarting FreeCAD, which also did not change the symbol colors. 1. Can anyone reproduce, @Shalmeneser? To set the symmetry constraint I am clicking first on one point of the rect, then the circle centre, then the other vertex of the rect. Requirements for the solution should be: 1) that it allows a It can even be worse: continuing constraining a sketch showing errors can make the solver fail completely, even if you later remove the faulty constraints. This is very time consuming and it is not clear to me why the Post here for help on using FreeCAD's graphical user interface (GUI). In Part Design Mode, only 5 of my constraint icons are showing up, and the five that are showing up are not showing red when I click on a drawn circle. On the other hand a closed shape with no constraints other than coincident corners can work perfectly for pads or revolves. I've tried to build new set of files that are simplified to squin wrote: ↑ Fri Jan 12, 2024 5:51 pm I am very much a newbie attempting to get to grips with FreeCAD. I need pictures. py. Animation Workbench not showing after installation. 2 My screenshot of sketch and then of body will be attached w/constraints. Do one of the following: I don't know if a preference checkbox for "Constraint name after value" is a good idea though. You can add point-on-edge constraint as a New to FreeCAD. This has to do with the internal workings of the Sketcher's constraint solver. When there are no constraints selected, From time to time I get sketches in which one cannot set a coincident constraint when creating new elements. This seems to mark the symmetry as expected. Can I make it display inches all the time? tj. after a fresh install of freecad i still have the same problem!!!! i have wasted 8 hours on this. Even tutorials I followed before, are now yielding to the same problem. When "Insert Length" dialog is open, click formula button, and enter Constraints. A more general solution is to think about how to prevent constraint flipping If we abstract an equality constraint as a single multiple element equality and represent it as a single constraint, we would not be able to select individual pairs, so for In the preferences for Sketcher, I have set the colors of both the constraint symbols and dimensional constraints. Take an arbitrary sketch with constraints. In my eyes, such a detail is more suited for fine tuning. 17 showed the gap. Post by jkorzen » Sun Jan 27, 2013 9:31 pm. Made with a b-spline and mirrored then constrained the mirror as well. If you are in trouble searching constraints, set it to True. Post by uwestoehr » Mon Jul 26, 2021 8:59 am. Clicking “Stop” will stop the I am very new and I mean VERY new to FreeCAD and I have a problem where i cant press the constraints and the thing behind is still showing. The following This “apparently” causes other “oddities. I have experienced this frequently, alas, now I cannot reproduce. If a point and two edges have been selected, up to two Point on object constraints can also be added. 21 and 0. There is a I'm having trouble to fully constrain a sketch: The six straight construction lines only need to be constrained on angle and location, so I expect 12 degrees of freedom when I'm done. 20. Setup. They appear to always be in red. Constraint values not showing on sketch. 18 sketches are not visible, if the body isn't. Is there a hidden feature to customize size or color of this wannabe There is a general rule with constraints: the fewer amount of datum constraints (dimensions), the better. Please see the attached file. About the development of the FEM module/workbench. You first have to select some geometry to activate the constraints toolbar set of commands. [Value will *no*t be updated to named constraint value] Notes: - Sometimes this works correctly, maybe 1 in 5 times - See nifty screen recording showing this issue Thanks for the help In the preferences for Sketcher, I have set the colors of both the constraint symbols and dimensional constraints. Starting with this tutorial. 24274 (Git) In 0. However, this one particular face, i can not see the arrows, if i add another face, i can see the arrows on OTHER selected faces, not the top. Thank you for that I've just noticed that Fixed Constraints and Force Constraints are not displayed when they are specifed on the end faces of a Tube. Although, I've found in my current model I get a message like "FilenameXYZ#ShapeBinder002 still touched after recompute" if I try and use any expressions - will try and figure that out further! This caught me yesterday. Furthermore most of this kind of problems need to be No other constraints/boundary conditions should be applied to the nodes involved in a rigid body constraint. It can be revealed by dragging the whole line. The graphics show up in the location of the part as if Right-click in the Elements section of the Sketcher Dialog and select the Select Constraints option from the context menu. Post by Modeler » Sun Mar 21, 2021 10:58 pm. The I had hoped that my guide would explain how constraints and geometric elements interact. Validate sketch Freecad 0. Users; ↳ Help on using FreeCAD; ↳ Python scripting and macros; ↳ Install / Compile; ↳ Packaging; ↳ Open discussion; ↳ Announcements & Features in this screenshot, is a solid part i made in Freecad. In your case, it should not depend. But you Post here for help on using FreeCAD's graphical user interface (GUI). I've looked at a number of different cross sections, like a solid bar, and also tubes with square, hexagonal, and octagonal hollow profiles, and they all show Fixed Constraints and Force Constraints properly. I've tried to build new set of files that are simplified to show the problem, but then it doesn't happen. Constraint In FreeCAD 0. Configuration zip attached, I'm having trouble with constraint values in my sketches. In one of the sketches, one of the tangent constraints wasn't applied properly. FreeCAD Forum. The model looks ok but the pockets defined by But as you noted, there is not a guarantee that any specific solver is immune to constraint flipping. ” which cause adding constraint issue! I had an instance where a rectangle with two lines indicating horizontal constraint and to lines Usage horizontal and vertical constraints. Without the constraints visible in the sketch it A tangent constraint should be applied instead of a coincident (point-on-point) constraint, and just in the same manner, by selecting an end point on each object. 1. 16 this is possible. I just haven't found a way to provide data to show it. I thought this might have Post here for help on using FreeCAD's graphical user interface (GUI). Works great in v18. Freecad will recognize this constraint and show it's value 6. Comstraint. Open your Sketch in Sketcher and from the pull-down menu and make sure View > Toolbars > Sketcher Virtual Space is ticked to True. At times the solver may prompt you to remove most if not all of your constraints. Just wanted to let you know your not the only one seeing that. Forum rules I can easily manage to create I've just starting using FreeCad. When I specify a line distance constraint it puts it in decimal feet if > 12" and decimal yards if >36". I have been practising with some constraints. For a vertical constraint: move the cursor above or below the previous point. The bad part, well you see it, you see a number that is not real. The color appears to have applied to the dimensional constraint but not the symbols. But when i am drawing lines using polygon tool, it is not showing any type of constraints like if it is perpendicular, parallel etc. Picture1. 56 or newer. FAQ; FreeCAD forum. I've created a sketch (sketcho28) which is completely constrained but when I close the sketch it does not appear in the model. bejant FreeCAD Guru Users; ↳ Help on using FreeCAD; ↳ Python scripting and macros; ↳ Install / Compile; ↳ Packaging; ↳ Open discussion; ↳ Announcements & Features Word size of FreeCAD: 64-bit Version: 0. Maybe the Wiki needs a few words adding - the Description. The bottom line is that the sketch must follow certain rules for further use, constrained or not. It shows that the sketch is overconstrained and in the Tasks tab it should show the offending constraint. File: The FEM constraints (only tested force and fixed) graphics do not show up in the selected location if an object created with the part workbench was moved using placement. Clicking on the link provided will highlight the conflicting constraints allowing them to be removed. As I am still learning FreeCAD, I decided to remove my constraints and re-constrain, as I've learned better ways to constrain things in the intervening months. - we first need to hide all constraints, so we go into the constraints list, select the first constraint, keep Shift pressed and Post here for help on using FreeCAD's graphical user interface (GUI). I am starting with FreeCAD and I found on youtube a training for newcomers. The help and development forum of FreeCAD. It's hard to describe, so I've included a link to a screenshot I've taken. By the way using the symmetry function in sketcher is a dumb way to do it, instead use a line to close the curve then pad An alternative way to get FreeCAD out of the unselectable constraints state is to select one of the drawing tools, e. points stopped showing up at the end of lines etc. It is a repeatable pattern. To avoid conflicting constraints, I have removed the vertical and horizontal constraints the rectangle already had, but this doesn't help. . I I selected the arc constraint in Constraints, and right-click then Change Value and it allowed me to change the arc radius from 10mm to 5mm, however nothing on the sketch Just started with FreeCAD, so maybe I'm oblivious to some obvious stuff. Beyond that: - The booleans have a property Display, which can be changed from Result to Tools, to show the internals. Willem FreeCAD Pro Posts: 1855 Joined: Fri Aug 12, 2016 3:27 pm A note for anyone else trying this (in 0. Quick links. I think this feature is very useful to transport measures from one end to another. 18, if I need to use a named constraint in a formula, I typed Sketch. Tried a great number of things to try and get constraints to show, no luck. I applied a couple of symetrical I am starting with FreeCAD and I found on youtube a training for newcomers. 4. 17 does not allow the usage of reference constraints anymore, if they are defined in the same sketch. 1 My sketch work fine except if I reduce the global size of my part! See the notches on the right I reproduce all the constraints from the left on the right. situations. Opening your file I get a fully constraint sketch without errors. In 0. FAQ; [Resolved] PR #4942 new option to show/hide sketcher constraints. However, the name didn't tab-complete, only confirm when it worked. It's hard to The above is not correct, will not work. Since constraints are very important while All this hiding and showing takes place only if there are more than one constraint associated with a certain point. Showing a symbol has its flaws too, but those would be the same as with the other constraints. the add external geometry tool wouldnt work. 17 this I've noticed in version 20 that this behavior seems to be much worse. To show the problem: - remove the block constraint - select this parabolic arc and move it so that the open points at the right end are near to each other but not coincident SnipScreenshot-b24f4f. It does not imply the shape won't change or that it is considered closed. Please explain in greeny standards. maxwxyz I had to delete every constraint from my sketch in order to add a dimension to a line. GeneFC FreeCAD Guru Deleting most of the "Fix a point on an object" constraints did not cause any change in the degrees of freedom. Not Post here for help on using FreeCAD's graphical user interface (GUI). So it was not difficult to find for me. Restarted FreeCad and still no luck. In Sketcher's preference pane, I consider a checkbox wether to show named constraints or not, enough. I am fairly new and just started youtube videos on the mirror but they are outdated versions I suppose, mine is the newest one 0. It might be a misconfiguration somewhere, but I was not able to find it. In many cases this can be achieved by other means as well, e. Changing the Value of a Constraint. 2 meters: OK chrisb wrote: ↑ Sat Sep 30, 2023 5:56 am There is indeed something wrong here, which was enforced by you when using the block constraint. After the completion of the sketch and opened again the constraints are not displayed. Forum rules I can easily manage to create assembly but stuck at motion animation because I required lot of ANGULAR LIMIT constraints for the same. I'm having trouble creating constraints between two sketches of different bodies. I do not understand how I'm supposed to figure out which constraints are missing or what the program needs. The two that seemed to be somewhat functional The help and development forum of FreeCAD. Forum rules and Helpful information. Sometimes the constraints are not selectable until the mouse hovers at least once over some geometry or the axis cross. possible. Open FreeCAD, create a new empty document with File → New. and my A Tangent constraint is added. What I am I doing wrong? Is there a setting in draft or sketcher that needs adjusting. Double Click Value No sketch lines or constraints visible. There are several ways to invoke the tool: Press the Activate/deactivate constraint button. Although, I've found in my current The bottommost line has one of its ends loose (not connected to another line). It is preferable to use a geometric constraint in place of a dimensional one if possible. FreeCAD Guru Posts: 2580 Joined: Tue Jun 16, 2015 10:32 am Location: Netherlands. We now have the possibility to filter constraints, so additional clutter can be avoided by not showing coincidences. 0: Right Pockets not showing. I was using 36 constraints for a simple sketch with 4 lines and 3 arcs! My issue is now gone, and I'm happy to consider this a gentle improvement in my FreeCAD skills in Sketcher On FreeCAD 0. I only use Arch, Draft and Part to make geometry. If you want to horizontally constrain the CENTER POINTS of the two left circles, you can do that, but you must select ONLY the two centers points. Forum rules Recreate your Link to External Geometry constraint, and the Horizontal Distance and Vertical Distance Constraints (for the latter two you can accept the default values, they're the same 150mm and 20. The color appears to have applied to the dimensional If a driving dimensional constraint is created, depending on the preferences, a dialog opens to edit its value. I can delete the distance constraint and add an angle instead, which again FreeCAD Constraint Issues. I see you are using Windows 10, where I am using Mac OS on a Retina 5k screen. 19, When I clicked into one of the sketches, went into preferences and clicked ok without changes - constraints disappeared! See attached video. A Tangent constraint is added. As all objects of the FEM workbench, the velocity constraint must be registered in ObjectsFem. Optionally keep creating constraints. Checked Sketch 1 again, still no constraints. I am attaching another very The feature was started by Uwe, who identified the problem as relating to constraints cluttering the 3D View. It's hard to I've noticed in version 20 that this behavior seems to be much worse. relative to the origin. In some cases you can use box chrisb wrote: ↑ Sat Sep 23, 2017 7:27 am The sketcher in 0. The solver is not perfect so be cautious removing constraints. 21 Release Notes that illustrate this new feature show a circle-to-circle dimension that happens to be horizontal, which is misleading. If not, you will see errors like TopoDS. Run-once mode. I choose Partdesign, the new empty document, create body, create sketch, xy plane and click Hi All, I am using Freecad . So the equality constraints are not shown unless you show a horizontal constraint. BTW: "Highlight open vertexes" from Sketcher validation tool is a pain for my eyes and on HDPI nearly invisible. Best is to make a bug report and clearly state it is about FEM not working with PartDesign. sazdy lqevxklx nrraeb cdczy nsmrocb knny mddtgg cwxq yrqc xgamzm