This project provides a powerful and intuitive web-based tool for viewing 2D CAD drawings (DXF files converted to Three.js JSON scenes) and adding custom, interactive annotations (hotspots) to them.

Incorporating user feedback regarding the common pain points in traditional 2D CAD collaboration — such as slow rendering, cumbersome PDF workflows, and disjointed communication — CAD Chat has ...

Having done "Save as" to a DXF file, a 3D tool like FreeCAD chokes on the DXF input since the Z scale in the input (param 43) is zero. Error is in line 3250 of test ...