FlSun Delta strong and simple carriage (GT2 belt)

thingiverse

Most of the carriages available for deltas with linear rails come equipped with little posts around which belts get looped, only to lock onto themselves. I grew tired of these posts breaking off when tensioning the belts or after a few days of use. I was also frustrated by trying to pre-tension the belt properly during installation and consistently failing miserably. It seemed like https://www.thingiverse.com/thing:818954 would be just what I needed, but the belt kept sliding out of the slot with ease, prompting me to create my own design. The slots on my carriage fit together very snugly, allowing me to use self-tapping M3 screws to attach the links without having to incorporate slots for M3 nuts. Regular M3 bolts (without nuts) may also work in their place.