WandererFan

This is dead easy in Sketcher since sketcher views are 2 dimensional and nothing is projected.

IDK, but I'm told that dimensions starting as the projected value is the way other CAD programs work. @howie-j picture seems to bear this out.

I struggle with windows issues, but is the presence of both forward and backward slashes in the file path relevant? What is in your preference for the default template?

fixed by https://github.com/FreeCAD/FreeCAD/pull/13784

There is code in the c++ dxf exporter to get the normal of the sketch and project along that.

> TechDraw is also written in Python, same as Draft WB. Most of TechDraw is in c++. There are only a few tools done in Python (in Mod/TechDraw/TechDrawTools). Integrated a...

If you mean "landmark dimension", I'm not sure if that is widely used. It was an early attempt to mitigate TNP for dimensions. I'd leave it out for now. Would...

Note that the chain & ordinate dimensions in the Extension tools (red icons) have issues with proper alignment and updating. Making a proper "dimension group" for related dims is on...

Missing an include for QTimer? Also some warnings about unused variables.

A True dimension should have a 2d ref of the view (no geometry) + 3d refs (obj+subelement). 2 of your dimensions have 2d & 3d geometry references. The third one...