Punch Software has announced the release of ViaCAD 2D/3D, a design product for Mac OS X that costs $99. ViaCAD 2D/3D is a general-purpose 2D and 3D design application that features the ability to ...

A prism is a 3D shape which has a constant cross section - both ends of the solid are the same shape and anywhere you cut parallel to these ends will give you the same shape. For example, in the prism ...

Prehistoric cave drawings date back about 40,000 years. Ancient Egyptians used papyrus for paper. Artistic drawing flourished during the European Renaissance starting in the 14 th century. Now, ...