about modeling method of counterbore hole on the bottom side —
Founded about modeling method of counterbore hole on the bottom side models & stl files for printing
jtscience
Sewfiart
Hsiu
3DWorksbyMatt
xinchuangkejisanwei
Orange1
alpo16000
Greg's Maker Corner
TomasH
Make3D Company Limited
pilniczek
rtgillen
Frederikhm
Luke Hayes
Elaguatha
Ladar
gillis
Bretbailey
mishkin2
ugly_cat2003