Hollow hinged joint locking mechanism printed with the MakerBot here.

Hollow hinged joint locking mechanism printed with the @MakerBot1 here. I’ll have to add an aperture here & there to allow a tool to slip in to lever the thing back open. Once this thing popped in all three teeth across both halves of the joint it did not come out easily. Had to mar the first working part to get it open. Good otty to learn how to model something thats jimmied open repeatedly & not crumble.