Enclosure for 8mm bushings bought off ebay
thingiverse
Print two bushings for each set then assemble them into pairs. This combo should work well as a substitute for LM8UU Linear bearings. The middle band will fit snugly around a zip tie once the pieces are glued together. Look for bearings online, searching "Self Lubricating Composite Bearing Bushing Sleeve 8 x 10 x 12mm" on eBay should yield what you need.
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