Ender 3 Pro Damper Spacers

thingiverse

This is a remix of the damper spacer by matthijsp (https://www.thingiverse.com/thing:3245255), designed specifically for the Ender 3 Pro. To get started, simply print the one file provided in this remix and you can reuse most of the original Ender 3 Pro hardware. You will need to acquire the following additional components: 2x M3 x 25mm screws 2x M3 nuts 2x M3 washers (optional) It's worth noting that using longer screws is possible, but they will require spacing with M3 nuts and/or washers (as shown in my pictures). Here are the steps to install the damper spacer: 1. Power down and electrically disconnect the Ender 3 Pro. 2. Disconnect the X and Y axis stepper motors and limit switches. 3. Remove the screws holding the X and Y axis stepper motors, taking care not to drop them. __NOTE: Set aside all screws for reassembly.__ 4. Attach the stepper dampers as shown in the image using the original M3 x 6mm screws. __NOTE: Swap the stepper dampers so that the X axis motor goes on the Y axis and vice versa.__ 5. Attach the X and Y axis dampers as illustrated, using the M3 x 25mm screws and nuts to secure the Y axis and the original fasteners to secure the X axis. 6. Flash a new firmware with the Y axis inverted (Refer to this video: https://www.youtube.com/watch?v=IjzrNoFnbcI). 7. Remove the bed and Y axis carriage, flip it upside-down so that the wheels are on the other side, and then reattach the carriage. __NOTE: The Y axis carriage is asymmetric. There is a cutout on one side to prevent it from contacting the stepper motor. Refer to the picture if you're unsure.__ 8. Perform an eccentric nut adjustment on the Y axis and reattach the bed. 9. Reconnect all stepper motors and limit switches. 10. Reconnect the Ender 3 Pro and test that the steppers move in the correct direction.