> > From: alphlim <safarat@cardiff.ac.uk> > Subject: rotations not showing as commutative > If we apply two rotations to an object, then the resulting object position > should be the same as if the rotations are applied simultaneously. > Rotation in 3 dimensions isn’t commutative unless you limit yourself to a single axis. The order of the individual rotation operations matter. In OpenSCAD rotate([a,b,c]) is equivalent to rotate([0,0,c]) rotate([0,b,0]) rotate([a,0,0]) -Marius