ES: in this video showing about how to drawing 3d electrical valve in AutoCAD 3D by used command circle (C), command pline (PL), command trim (TR), command move (M), command erase (E), command extrude (EXT), command presspull, command union (UNI), command chamfer (CHA), command subtract (SU), command helix, command rectangle (REC), command fillet (F), command mirror (MI), ...
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