Twist-on Paper Towel Holder with Rod

This is a paper towel holder with an included printed rod and easy twist-on loading. The rod goes all the way through so the paper towels are held securely while rotating freely (in contrast to the squeeze-grip holders). The left or right (your choice) side of the paper towel holder has a plastic tab that you twist half a turn with your fingers to slide out the rod and exchange the paper towels.

Since this is for standard paper towels which are approximately 28 centimeters long, I solved th