Models View all Savonius Turbine with Three Blades for 3D Printing 1 24 0 Helix Darrieus Spiral Wind Turbine for Small Water Pump Project 4 67 0 Bus Arm rest Mechanism 7 55 0 Premium Headphones - STL available 2 149 0 Excavator Bucket – Heavy-Duty Digging Attachment 2 45 0 3D Printable Phone Holder – Compact and Versatile Stand 1 14 0