Printable Mendel Y axis

thingiverse

Currently, I'm refining Dissidence's printable Mendel frame and am almost ready for use. For the Y-axis, I considered a rail and wheel mechanism, so I designed this - an upside-down T-rail with tab&slot to interlock pieces for longer rails. It features three wheel pieces that fit snugly on the rail. However, printing small wheels creates bad stringing, resulting in square edges when trimmed. The rail looks fine, but tab&slot doesn't work well; I'll widen it. Also, better calibration is needed for smooth operation, and printing diagonally can increase platform length.