Spring-loaded Replicator 2 Drive Arm for a 3mm bearing
Description
I Needed A New Extruder, But All I Had On Hand Was A Bearing With An Id Of 3Mm. I Modified Makerbot'S Stl In Wings3D, Sizing Down The Bearing Post To Around 2.9 Mm. It'S Still A Little Tight, But The Bearing Is Pressed In Easily With A 1 Ton Pres.
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