Bolt of Y belt tensioner used to hit and make noise, in Biqu B1 facebook group i saw some people has same problem so that i designed it. If there is no noise from the bolt u dont have to use it :)

if you can't download you can use this direct link:

https://www.thingiverse.com/download:8961552

Print Settings:
First layer 0.2
Layer Height: 0.16
20 % infill
Material: PLA
Support: no