Paper Towel Holder - Multiboard

Quick remix of @jungl3 Paper Towel Holder, including support for the Multiboard system. I've added a couple of bolt-locked attachments to each side of the paper towel holder, so some snaps and multipoint threads can be used to secure the paper towel holder to your multiboard installation. A second plate has been added to the print profile that includes the snaps and threads I used for my install, this includes:4x small thread multipoints - used to secure the snaps to the bolt-locked attachments on each side of the paper towel holder (2 per side)2x hook snaps (heavy weight bearing) - used for the top-most bolt-locked attachment on each side of the paper towel holder (1 per side)2x moderate weight bearing snaps - used for the bottom-most bolt-locked attachment on each side of the paper towel holder (1 per side)When attaching each side of the paper towel holder to the multiboard, ensure that the hook snap (heavy weight bearing) is inserted first to secure the hook, then push the botto