Yegah
revision D is current and supports not only golem printer.
some bugs fixed :) File:YegahD rel beta i.scad
- one block print
- lightweight - 3x 6x13x5 bearings (or smaller, customizable parametric model)
- designed for double mount
- milled bolt with groved idler provide ultra strong (10kg plus @ 1.75mm ABS) grip with little filament deformation
WARNING! still testing, feel free to join or wait a week or two for stable version
File:YegahD rel beta.scad Media:YegahD_rel_beta.stl.tar.gz Media:YegahDidlerNgears.tar.gz
you can print the idler but turned out of PA6 or POM should "last forever"
yegah bolt (milled bolt) how to and simulator Media:Yegah_bolt_simulator_relA.scad
see also derivative: http://www.thingiverse.com/thing:38874