AddFC Workbench Additional tools for FreeCAD. 1.4.3 2025-02-20 Golodnikov Sergey Golodnikov Sergey LGPL-2.1-or-later https://github.com/GS90/addFC https://github.com/GS90/addFC/blob/main/README.md https://github.com/GS90/addFC/blob/main/repo/doc repo/icon/workbench.svg AddFC ./ 0.20.2 sheetmetal numpy ezdxf bom library exploded sheetmetal