Models View all Savonius Turbine with Three Blades for 3D Printing 1 30 0 Helix Darrieus Spiral Wind Turbine for Small Water Pump Project 5 101 0 Bus Arm rest Mechanism 7 57 0 Premium Headphones - STL available 2 161 0 Excavator Bucket – Heavy-Duty Digging Attachment 2 47 0 3D Printable Phone Holder – Compact and Versatile Stand 1 15 0