Toilet paper holder extender + quick change

This thing allows your toilet paper holder to hold larger rolls, and also provides the ability to quickly change a roll. Just lift the roll in from the bottom then rest it on the bars. When it's empty, lift it up to remove it.

I had poor results with auto-generated supports, so I created a version with included supports that worked well for me. You can use that if you like or create your own supports. Either way print two copies of that part along with two copies of the bar. To attach th