belt tensioner Ender 3 and similar belts with profile 4020 and 2020 on the shafts
cults3d
adjustable belt tensioner for Ender 3 and similar printers is for 2020 profiles, diameter for profile screws 4mm diameter for tensioning screw 5mm diameter for joint screws, 3mm Corrected and improved the designs of the pulley support, cover and tensioning screw. If you have any bugs please comment it to correct it in later versions. Thanks
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