This is a remix of http://www.thingiverse.com/thing:376515 to maximize the useful area of the stock PrintrBot 1405 bed. With these X ends and the original Z axis rods you can extend the bed X size to 145mm.
See the original thing for instructions and additional parts needed for the upgrade. Also included are some bed spacers. I'm using an E3D hot end, which is significantly shorter than the stock Ubis, so these spacers are rather tall. You may want to cut them down if you don't need the extra height. These spacers were designed for M3 30mm countersunk screws (to further maximize your bed area you should countersink the screw heads).
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3DLirious is a small 3D creation studio in Arlington,Texas, offering 3D scanning and 3D printing services with a focus on 3D portraiture.
De-li-ri-ous: wildly excited especially with joy or enthusiam
3D-Li-ri-ous: wildly excited with joy and enthusiasm about 3D printing and scanning technologies