FolgerTech 2020 i3 Z leadscrew upgrade
thingiverse
UPDATE: Re-uploaded the STL files with units in millimeters. Added X ends for five-millimeter threaded rods on August 6, 2015. The motor and idler came from the kit's original STL files, modified only to fit the leadscrew nut. An additional modification secures the bearings with an M3 bolt because I noticed play on the bearings appears over time due to the original design's slit. A belt tensioner was derived from Heartless' design: http://www.thingiverse.com/thing:872944, slightly modified to fit this idler. Take a look also at http://www.thingiverse.com/thing:936437 for a Z standoff.
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