4 color pen with retracting mechanism —
Founded 4 color pen with retracting mechanism models & stl files for printing
JamesRX
dkj4linux
UechiMike
Rambler990
Matteo Cristini
EL3D
JayFiDev
TonyDeRygle
Perplex3D
MakeAnything
shiura
jjpowelly
hndi
Anathae
creadaptive
BYU_CMR
West3DP
TheGoofy
3d-printy
GrandGnome