sr/v400 belt tensioner.
thingiverse
Fast simple belt tensioner instead of twanging belts / hoping the guitar tuner is reading right, we'll simply use a set torque value to tension all belts evenly (basically how printers are done in factory) v400/sr remove springs / spacers Bom 1 right angle /90degree drill adapter 1/4 inch shaft 1 https://www.youmagine.com/designs/nozzle-torque-wrench. Alternate way tensioners knobs can be simply swaped to screws or bolts leaving the option to use other bits. Settings print with all walls 999 raft material probably anything will work.
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