fix 624 idler bearing spacing
make number of segments configurable on small holes
added small_hole_segments to bushing and x-carriage as well
fixed belt holder screw spacing to the y-platform, make 3,5x20 not go through the plate
fixed last commit for single plate
added small_hole_segments to bushing.scad as well
tightener nut trap fix (partially accidentally pushed in commit 8dd487109dd5c02620e4bd28d2258375727832c3)
now real commit for y-beltholder fix on single plate
fixed opening size
fix securing nut placement as well