Portfolio of Projects Portfolio of Projects PDF overview of Portfolio Old homepage with math art projects Struttura Poincaré Kaleidoscope Four.js Sculpture Möbius Gears Post on GrabCAD Metric with bearings US dimensions with bearings Metric without bearings Builds mcmptk The Penrose Triangle Overview Presentation Facebook Dust Collection Four way sweep bollard Geared floor sweep Three way rotary with camlock Retractable sled Two-inlet cyclone Bubblegons Coverage from Maker Faire Somerville 2012 The Autosub Dome Data on GrabCAD Ten Tetrahedra Tree Topper Impossible Geometry MC Escher’s Belvedere MC Escher’s Waterfall Palm Table and misc Other GrabCAD models