Vinyl Roll Holder

This is a holder I designed for my school's vinyl-cutter. Often during long prints someone would have to hold and rotate rolls of vinyl, but with some threaded rod and old caster wheels I was able to make a simple holder.

The brackets used to hold the caster wheels can be pressure fit, but if whatever caster wheels you may have are to small, there is a clamp that takes a 10-24 machine screw to tighten, and is attached to the 1/4" MDF rib with two 1/4-20 bolts. The threaded rod is 3/8