The file 'Paper Towel Rocket 3D Printer Model' is (stl) file type, size is 546.5KB.
The models were made to be used with a paper towel roll and a D-type Estes rocket motor. I will try to add engine assemblies for the other engine sizes soon.
engine_holder_v2.stl | 217.9KB | |
holder_ring_v3.stl | 67.1KB | |
launch_guide_v2.stl | 55.6KB | |
nose_cone_v2.stl | 1.3MB | |
rocket_fins_v4.stl | 85.1KB |