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ืืืฉืืืื ืืคื ืืชืืืช โcadโ
5 ืชืืฆืืืช
FreeCAD
An open source parametric 3D CAD modeler
LeoCAD
Design virtual models you can build with LEGO bricks
Design
2D CAD for GNOME
SolveSpace
A free (GPLv3) parametric 3d CAD tool
LPub3D
LPub3D - An LDraw Building Instruction Editor