This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/2IX5O5hkUjj
This is my first 3D design with a purpose. It is (actually two) parts for the 1/25 Modelik Papermodel kit of the Cn2t narrow gauge steam locomotive.
cn2t_injection_valve_modelik_paper_model_125.stl | 34.1KB |