coordinate system —
Founded coordinate system models & stl files for printing
johnmann
s199
2by2
concavechest
Zbrushingmx
phidauex
Ktronics
dutchmogul
therealryguy
chappel
dutchmogul
TeachingTech
deweycat
3dponics
doitwhenever
SnowMan77
Herrigold
OpenBuilds
lvlobius
Xevin