8mm Bushing Twist with Cable Tie Mount Notch

I made this to replace the bed bushings on my i3 bed.
See for my previous setup and bushing holders these are designed to work with. https://www.thingiverse.com/thing:2538105

FEATURES
- Better for printing with petg. My pla bed bushings were slowly deforming over time due to the combination of bed heat and a warm enclosure. I've found that petg also works fairly well as bushing material and is more temperature resistant than pla. BUT, petg is a pain to print nice when there are frequent