cylindrical slide rule —
Founded cylindrical slide rule models & stl files for printing
Kev Haz
fns720
Rhoboto
Dingo_aus
GeekMomProjects
zoly15
planetar
planetar
3D Printy
Scan The World
StovicekK
devonjones
devonjones
devonjones
devonjones
TELDON Computer
E. Soderberg
EugeneGTI
distox
Dr_Froggy_rD