Robust and reliable XY Idlers Mount for Hypercube Evolution

thingiverse

I got tired of having my idler mounts constantly cracking after some use and abuse. Even the beefed-up remixes failed over time due to cracks developing between layers. As an engineer, I'm aware that the position of the mounts during printing rendered a fatigue-prone part. The tension worked against the layers, and even the beefed-up remixes had issues with crack propagation caused by the layers. There are remixes that can be printed standing up but they require an excessive amount of supports in areas where I was not comfortable with as they needed precise mechanical alignment to work well. So I designed these idler mounts to be printed at a position that will not align the layers with loads. They can be printed without any supports. They can use inserts or nuts from either side. Also, these mounts are symmetrical and can be used on both sides. They require three M30x30 bolts and nuts each. "Robust and reliable" is yet to be proven :D They are **NOT** compatible with 3030R extrusions without interfering with the closing panels **Update** I added a ridge for better alignment and one layer "surface cap" to support the screw holes. Thank you StvPtrsn for the great suggestion! V3 Version with more StvPtrsn inputs **Update** I added a front idler mount for this fantastic design! https://www.thingiverse.com/thing:2975496 Just print one of the "front" version and two part "B"s, and you have both front mounts! :D They do not need a spacer as it is integrated. **Update** The new R version is significantly better. It is compatible with 3030R extrusions where you can close the printer with 4mm panels. Also, it allows you to remove the Y-axis without removing the idlers or belt!