Multiconnect - generic connector for multiboard

Important announcement: I released version 2 of the multiconnect system for multiboard. This version is fully compatible, but also incorporates some handling and versatility improvements. I recommend to always print the new versions. Generic connectors to hang your bins/shelves or anything else to your multiboard. The connector is pretty generic and allows you to attach anything you want.The connector itself is only a utility for other models, you need it if you want to use any of those:Multiboa