The Scuff Controller Add-on was created by team MCC in order to increase the number of buttons accessible on the V5 controller while simultaneously maintaining control of the joysticks. For more information, check out the original online challenge linked below.
V5 Scuff Controller Add-on | Online Challenges
Online Challenges
Below is a GitHub hosting all parts as STP, IPT, and STL files instead of the fusion files in the original submission.