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MendelMax 2 MM2 JD Z Screw Thrust Bearing Holder

This is a thrust bearing holder I made to improve the quality of my MendelMax 2 parts. I think the lack of a bearing to hold the Z screws in place at the bottom. It seemed like hanging the Z screws by the helical couplers wasn't helping, so I put them in a very slight compression with the help of this part.

This part requires two 688 bearings.

An isolator is required for this part to work well. I recommend this one:

This seems to improve part quality a lot.

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