An attachment for a handle to carry your Prism around.This is an accessory to attach a drawer handle to the top extrusion of your Prism Reprap (design by by Buback) : http://reprap.org/wiki/PrismYou will probably need to tweak the openscad according the dimensions of the handle and its two bolts.Usage : 1) Adapt the openscad to fit your handle and export a stl file. 2) Print a pair of blocks. 3) Screw the handle on the parts with the appropriate bolt - The handle is located on the flat side of the part. 4) Slide the parts onto one side of the top extrusion, secure with 4 M4 bolts and T-nuts.