Multiconnect Universal Controller Mount openGrid

Modified @DavidD's version to work with openGrid openGrid - Wall/Desk mounting framework/ecosystem by David D MakerWorld: Download Free 3D Models Thanks to @RealLango_1848402 for converting the universal mount to a STEP file for easy remixing. Thanks to @RyanG_28713 for remixing the universal controller mount for Multiboard.Thanks to https://www.thingiverse.com/Cakama3a for creating the original model