SP is a realtime physics simulation plugin by Chris Phillips. SP3.5, the unofficial release, comes with many bug fixes, API improvements & enchantments, support for SU6 or later, and compatibility on Mac OS X 10.5+ & MSFT Windows.
Usage: Plugins → SketchyPhysics → [options] and SP Toolbars
Downloads: 16416[ Version Updated: 2015-01-26 08:12:54 ]