cylindrical slide rule —
Founded cylindrical slide rule models & stl files for printing
jprizzle
GregoryZ
Justblair
EzeSko
wstein
Lyl3
walter
BasP
walter
DaveMakesStuff
Netopsihunter
TheWylieStCoyote
Rainer
stereosound
ppaukstelis
KLM
voxinaudita
agmcmll
CMD10
Making With Steve