Minimalist MK8 Rework
thingiverse
To enhance the MK8 extruder drive, InfinityPlusPlus' design utilizes a Delta Faucet spring for ease of acquisition. Via placement optimizes usage with 3mm or 1.75mm filament. Recessed heads are included for 3mm attachment screws. Follow these steps: 1) Print both pieces (optionally mirror the drive), 2) mount back to stepper with one screw in left hole, 3) remove spindle tower from bearing pressure arm and insert 623 bearing, 4) secure it with a 3mmx10mm screw, 5) place arm on stepper with spring inserted depending on filament type, 6) tighten hinge screw to chassis, and install as normal MK7 extruder. For the Delta Spring, check this Home Depot link: http://www.homedepot.com/h_d1/N-5yc1v/R-100169417/h_d2/ProductDisplay?catalogId=10053&langId=-1&keyword=delta+faucet+spring&storeId=10051.
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