E3NG - Double Shear Motors

HAS BEEN TESTED! Findings: belt clamps can skip teeth, toolhead_base may violently rip apart at very high belt tensions CAUTION: TENSIONING THE BELTS TOO TIGHT MAY LEAD TO PRINTED PARTS BREAKING. WHEN TENSIONING THE BELTS PAST THE ORIGINAL RECOMMENDED TENSION, PROCEED WITH CAUTION! Description: Adds a f695 bearing on the top of the motor shafts, which allows you to run the belts at higher tensions. Differences from original design/manual: Put the motor spacer on top of the motors (Print two spacers, one for each motor!) Motor pulley should have the grub screw side on the bottom A F695 bearing is installed on top of the motor shaft