Simple geometry generation error
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Simple geometry generation error
Hello, I'm using Freecad sometime, so I'm not so skilled to use it.
I met a difficulty with very simple geometry, I'm using:
OS: Windows 10 Version 2009
Word size of FreeCAD: 64-bit
Version: 0.20.29177 (Git)
Build type: Release
Branch: releases/FreeCAD-0-20
Hash: 68e337670e227889217652ddac593c93b5e8dc94
Python 3.8.10, Qt 5.15.2, Coin 4.0.1, Vtk 8.2.0, OCC 7.6.2
Locale: C/Default (C)
The geometry I would want obtain is in fig. 1
I drawn the sketch (fig. 2) with no DoF bat when I try to do the Pad always the following message is shown:
Recompute failed! Please check report view. (the large curves are drawn wit h 3 point tool)
I solved the problem importing a sketch geometry from a dxf, generated in a 2D CAD system.
I'm thinking to do a very stupid error, can you explain me what may be my mistakes.
Thank you
Regards
I met a difficulty with very simple geometry, I'm using:
OS: Windows 10 Version 2009
Word size of FreeCAD: 64-bit
Version: 0.20.29177 (Git)
Build type: Release
Branch: releases/FreeCAD-0-20
Hash: 68e337670e227889217652ddac593c93b5e8dc94
Python 3.8.10, Qt 5.15.2, Coin 4.0.1, Vtk 8.2.0, OCC 7.6.2
Locale: C/Default (C)
The geometry I would want obtain is in fig. 1
I drawn the sketch (fig. 2) with no DoF bat when I try to do the Pad always the following message is shown:
Recompute failed! Please check report view. (the large curves are drawn wit h 3 point tool)
I solved the problem importing a sketch geometry from a dxf, generated in a 2D CAD system.
I'm thinking to do a very stupid error, can you explain me what may be my mistakes.
Thank you
Regards
- Attachments
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- Fig. 2
- two.gif (13.48 KiB) Viewed 942 times
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- Fig. 1
- one.gif (3.19 KiB) Viewed 942 times
- thomas-neemann
- Veteran
- Posts: 11964
- Joined: Wed Jan 22, 2020 6:03 pm
- Location: Osnabrück DE 🇩🇪
- Contact:
Re: Simple geometry generation error
Hello, if you can attach the file it would be easier to find out the issue.
It seems that there is some line overlapping other lines. Maybe where the arrows point
It seems that there is some line overlapping other lines. Maybe where the arrows point
Re: Simple geometry generation error
It's just a poor constraints scheme.....
- Attachments
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- hinge.FCStd
- (7.38 KiB) Downloaded 17 times
Re: Simple geometry generation error
Attached needed file
- Attachments
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- prova.FCStd
- (7.37 KiB) Downloaded 20 times
Re: Simple geometry generation error
Bance gave you the solution.
My comment was wrong, there are no overlapping lines. Sorry for the noise.
My comment was wrong, there are no overlapping lines. Sorry for the noise.
- thomas-neemann
- Veteran
- Posts: 11964
- Joined: Wed Jan 22, 2020 6:03 pm
- Location: Osnabrück DE 🇩🇪
- Contact:
Re: Simple geometry generation error
Re: Simple geometry generation error
When I try to pad the sketch I get the message "Wire not closed". The Sketcher's validation tool show the vertex in question. An automated repair will of course create overconstraints. You have created something like a "homemade tangency" by using two point-on-line constraints. Remove them, and create a point-to-point tangency.. As this consumes 3 degrees of freedom you have to remove another constraint, e.g. one of the radii at the left.
I recommend to use the same tangency for the other similar vertices as well.
If you need it, I can upload the file.
I recommend to use the same tangency for the other similar vertices as well.
If you need it, I can upload the file.
A Sketcher Lecture with in-depth information is available in English, auf Deutsch, en français, en español.
- Shalmeneser
- Veteran
- Posts: 9593
- Joined: Wed Dec 23, 2020 12:04 am
- Location: Fr
Re: Simple geometry generation error
Sketcher_ValidateSketch > Highlight troublesome vertexes :
* problems with left edge of 70mm line (suppress the Sketcher_ConstrainPointOnObject, add Sketcher_ConstrainCoincident)
But the sketch is not perfect.
* problems with left edge of 70mm line (suppress the Sketcher_ConstrainPointOnObject, add Sketcher_ConstrainCoincident)
But the sketch is not perfect.
- Attachments
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- Capture d’écran 2022-08-19 194019.jpg (43.03 KiB) Viewed 740 times
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- prova_SHALM.FCStd
- (12.9 KiB) Downloaded 12 times
Re: Simple geometry generation error
Thanks to all.
Regards
Regards