Bambu Lab X1/X1C Auxiliary Fan Backing Plate

Early Kickstart-era Bambu Lab X1/X1Cs featured double-sided tape to mount the fan to the inside of the case shell instead of screws in later builds.

After doing a repair, I found it difficult to get the new double sided tape to stick the fan to the case wall securely. The problem is that the back of the fan housing is not flat and so the tape pieces sit at different heights making less contact area.

So I made this simple piece to attach to the back of the fan housing to make for a flat surface that in turn can accept larger pieces of double sided tape and greatly improves the surface area for tape to wall contact.

Adds minimal thickness (just over 7mm), allows use of the same screws that already come with the fan housing and has a raised portion to allow the fan wire to exit without getting pinched.

Print flat side down and you can get away without using supports. To make use of the original length screws, the screw contact surface is somewhat thin, so screw in screws gently.

I know most of the X1Cs out there will have the improved screw-on fan mounts, but some early KS units may find this useful if you have to remove and reinstall the fan with double sided tape like I did.