It is. It says solid geometry. And absolutely beats me as to why the hell it was hidden so long. How it compares to a drafting package like ACAD i have no idea.
Hmm... i think we need some CAD domain experts here. i guess they would be ideal to give some proper insight into this.
# ping cad_experts PING cad_experts (cad_experts) x(x) bytes of data. . . .
Reply awaited.
Regards,
- vihan