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Glass bed clips for Printrbot Jr.
The old plywood bed was getting a little used up, so I got a piece of scrap glass from the hardware store for free.
Print the 4 clips and the spacers for the springs, drop the screws in the holes and glue them in so they sit at the bottom of the holes. The springs should pressure fit to the bottom of the clips and the small spacers pop on the bottom of the springs. Use your favorite levelling nuts (or use mine up there, a little glue works well on those).
I put on two of those little clear hair rubberbands between each edge and it holds it all pretty tight. The glass should sit in the channels and be secure.
Once everything is setup and levelled, I can pop the glass out to remove prints and put it back in with little to no relevelling.