The file 'Lego Pneumatic Radial Engine Core 3D Printer Model' is (stl) file type, size is 1.6MB.
A modified core for my lego pneumatic radial engine, fixing the dead spot by going from a 6 hole design to a 5 hole design.
2 versions available 1 for resin printing and 1 for fdm printing
Resin:

FDM:

Original model and instructions can be found here:
https://rebrickable.com/mocs/MOC-39694/morningstrummer/5-cylinder-pneumatic-radial-engine/#details
FDM_Print.stl | 282.9KB | |
Resin_print.stl | 4.4MB |