Racquetball feet for Ender 3 Pro CR-10 Tornado 2020 4020 rails multi-mount

I have RACQUETBALLS, not squash balls, so I needed feet for that.

Next problem: my Tornado and Ender 3 are SLIGHTLY different with the Ender being a little too tight for the ones that fit the Tornado, ughhh!

Solution: Design 0.2mm smaller rails for the Ender 3 and add a zip tie to secure (sits on it, could only fall when lifted).

OK, and let's add a hole for someone who want to screw under the ball into a drilled hole, and why not add a provision for a T-nut access also? OK, done.

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