Boing Boing on MSN

Napkin sketches become real diagrams with the power of Microsoft Visio Professional

TL;DR: Microsoft Visio 2021 Professional for Windows is $9.97 (reg. $249.99)-a one-time license for serious diagramming ...
BBC

Sort 2D and 3D shapes

Two-dimensional (2D) shapes are completely flat. They cannot be picked up. A polygon is a 2D shape with straight sides that meet at vertices. Polygons have names that show the number of sides they ...