Using these hooks to mount: https://www.printables.com/model/716558-multiconnect-generic-connector-for-multiboard
Using these roll holders as a base: https://www.printables.com/model/906926-set-of-hooks-for-multiboard-multiple-sizes
Needed something more sturdy to hold larger and heavier rolls securely to multiboard.
The author marked this model as their own original creation.