4 model

Free

Customizable Methalox Rocket Engine Assembly Model (300 mm, 111 Parts)

Printables

Free

Dynamic Turbo Edison Impeller Bilge Centrifugal Pump

Thingiverse

Free

Turboprop Engine Model

Thingiverse

Free

Customizable Turboprop Engine Model - Propeller Rotor and Jet Core (Educational)

Thingiverse