Models Involute Spur gear 0 134 0 Simple AutoCAD 2010 render of a 3D model I produced while learning CAD 1 17 4 Cinema Room Conceptual layout 2 77 1 Hi-Fi Stand 1 37 1 Hi-Fi Stand 3 30 1 Catia V5 Design example modelled in Alibre Design 2011PE. 2 63 3