Simple question, is it ?
Can't explain to myself !




Bugs 3D [Default Not Orthogonal].sm (8,29 KiB) scaricato 1121 volta(e).

... this may be the answer:
From observation, Smath 3D default quick plot is in "Perspective style".
That, to me, is the answer ! ?

Jean

Thanks for the explanation ... accepted. Mathcad does not suffers this inconvenience.
By same token: Smath is really missing the 3D matrix plot. No way to implement the
CAD/CAM "Catmul-Clark" meshed at will from the design board, Ah !

Cheers, Jean