mechanical calculator pascaline modular design —

Founded mechanical calculator pascaline modular design models & stl files for printing
R 2a  Ring Ø45
He-Ideas
R 2b  Ring Ø45
He-Ideas
R 2c  Ring Ø45
He-Ideas
R 2d  Ring Ø45
He-Ideas
R 2e  Ring Ø45
He-Ideas
R 2g  Ring Ø45
He-Ideas
R 3a  Ring Ø65
He-Ideas
R 3b  Ring Ø65
He-Ideas