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Hi, I am using klipper on a one-of-a-kind project that has lots of stepper motors, but also a small chamber that sometimes needs to be about 10...

Print List:
1x Motor_Mount
2x Spacer_x2
1x Spacer_x1
1x Main_body
If you have issues with alignment you can scale Spacer X1 or X2 In Z direction to change its size.. but if all ender 3's are the same you shouldn't need to adjust anything.
I printed at .2 layer height 3wall lines 6 top and bottom layers 15% infill.
All models except Motor_mount need to be rotated to lay flat on the bed, no support needed.
Motor Mount Hardware:
2x M3 x 8mm  bolts
2x M3 x 12mm bolts
2x M4 x 15mm bolts
2x m4 T-nuts For 6mm slot
Main bracket Hardware:
2x m5 x 50mm bolts
1x M4 x 65mm bolts (can use m4 threaded rod if its easier to get)
2x M3 x 15mm bolts
2x M5 Nuts
2x M4 Nuts
2x M3 Nuts
If the head of the m4 65mm bolt is bigger then 6mm you'll need to grind it down to fit in the 2020slot
The leasd screw and leadscrew nut i used were off my anet a8
Wiring, so far i have only tested wiring second stepper in parallel with Original stepper and increasing current to 1amp (skr 1.3 with 2208)
also my second stepper is different to the original…