cylindrical slide rule —
Founded cylindrical slide rule models & stl files for printing
Nikolaos Babetas
WashUDave
povsky
mnemic
imhavoc
chking
gringer
Pontus
zerink
kaje
Ray Fox
Nikdfish
Just in 3D
RB3D
surfalex2000
IXPatch
Bemko
cedarrapidsboy
Bruno Germany
beale_uk