Constructions (accurate drawings) can be made using a ruler, a pair of compasses and a pencil. A line which cuts an angle into two equal side angles is called an angle bisector. In geometry a ...

I want to write an AutoLISP routine to help me unfold some 3D assemblies into flat (exploded) layouts. Yes, there are software packages out there that can do this automagically for 3D solids, but I ...