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Offsetcad. Смотреть видео: FreeCAD Beginners Tutorial Practical Exercise 45 STUDYCADCAM, FreeCAD 1 0RC2 First 3D Model Using Sketcher And PartDesign Workbench, The New FreeCAD 0 22Dev Complex Extrude Feature In The PartDesign Workbench, FreeCAD Beginners Tutorial Practical Exercise 59.