Can you test again with latest master please? With the new build I did not manage to crash it yet but when importing the above ifc model I still get this warnings "Unhandled unknown exception caught in GUIApplication::notify." and the model does not display properly or sometimes does not ...

My current list: 1. Fix curvature comb as indicated by Werner 2. Implement decrease knot multiplicity 3. Review return types in functions (I have some boolean returning functions that should probably better off by returning nothing and raising an exception if something happens) 4. Ask for icons and...

They are avaiable in sketcher and you can change existing lines from / to it
https://www.freecadweb.org/wiki/Sketcher_tutorial

and can hidden line be made so it is not shown tessellated (or do other users prefer to have it this way That's not easy. The Hidden Line mode is offered directly by Coin3d where it sets the draw style to "Lines" which for face nodes of course renders the tessellation. What you want can b...

wmayer wrote:Do you have the experimental VBO support enabled?

I have seen crashes with VBO on when importing this file https://github.com/yorikvanhavre/FreeCA ... thouse.ifc on an Windows 10 x64 system with an Nvidia GTS 450

A few links...

https://www.freecadweb.org/wiki/Expressions
https://www.freecadweb.org/wiki/Spreadsheet_Workbench
https://yorikvanhavre.gitbooks.io/a-fre ... heets.html

With adca327 there is now a new style mode called "no shading". In order to produce an image as in the OP then you have to: * activate "no shading" * set shape color to white * set white background color when creating the image Very nice to see this Werner! In other programs thi...

@bernd With win dev build 10276 I am getting this error when trying to make a mesh with gmsh. Is this an known problem or am I doing something wrong? Traceback (most recent call last): File "C:\Users\saso\Desktop\FreeCAD_0.17.10276_x64_dev_win\Mod\Fem\PyGui\_ViewProviderFemMeshGmsh.py", li...

Very nice presentation / guide around some of the BIM things, but I believe we will first still have to work some more before we can play

I can't download the big one :roll: should work now. Takes some time to load in FreeCAD ... Thanks! I do also have a few of this hours long import ifc files :) Was wondering, was there not some work in FEM dev to have multithreading support for python imports/exports? Could that be done for ifc? :r...