cylindrical slide rule —
Founded cylindrical slide rule models & stl files for printing
FlyingPurpleCow
OKB
scottimps
whoppingpochard
DougM
DangeMask
KasZap
windi
KC
Matteo_Arcari
d0pefish
Martin
Jack Frost
misan
HansHans
quattro
Cisco
PosterBored
Yangorang
Fifthorb