What is Toroid (geometry)?
[[File:Toroid by Zureks.svg|thumb|A toroid made by rotating a square]] [[File:Torus.png|thumb|A [[torus]]]] A '''toroid''' is a [[geometry|geometric]] [[shape]] that resembles a [[torus]]. A toroid is constructed by [[rotation|rotating]] a geometrical shape around an [[Axis (mathematics)|axis]] which is outside the shape. If this is done to a [[circle]], a torus results. {{Math-stub}} [[Category:Three-dimensional shapes]]