MK8 direct drive extruder 7mm pulley adapter
cults3d
Adapter to use 7mm diameter pulley on MK8 aluminum direct drive extruder tested with 1.75mm filament reduces filament pulley diameter from 11mm to 7mm allowing use of motors with less torque there are two versions open and closed more restricted filament path. Extra parts needed include 7mm diameter filament pulley one 624ZZ bearing one M4x8mm flat head screw two M4 nut see it in action here https://youtu.be/Yt0ruqpbm2U if you are a curious maker hacker have a look at my blog http://www.therandomlab.com
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