4 model

Free

Jet Engine — 3D Printable Turbofan Engine Cutaway Model

Thingiverse

Free

Roman Insula Corner Cutaway - 1:56 Scale - Jacob Sileski

Thingiverse

Free

E3D V6 hotend with full threads and cutaway version

Thingiverse

Free

CR-10 Controller Screen Cover Remix (w/ SD card cutaway)

Thingiverse