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
Rocktopillar
Rychalla
Door edge protector  guard
Tom Anderson (The ReaL NEO)
Pot lid holder
123lobster
Fa 223 easy print
WindhamGraves
HO scale Ore Car
Josh_Herrala