Printrbot modified parts.

Some parts I modified for my printer.
These are replacement parts. Add-ons can be found on some of my other thingyverse pages.

One difference to the orginal parts is the motor-mount and idler have holes for screws to lock the rods and bearings in place. This might help reduce the wobble a bit but don't expect miracles - the main problems are else-where.

I've added the option to mount the x limit switch at the bottom. This is untested as I have mine on the side.
The usual top mounted X a