This is an easy to print lightsaber hilt, that is ideal for children's cosplay or fancy dress. It comes in two halves, which you hold together with either superglue, a 3d pen, or polyester cement.
No supports needed for lower layer heights, but anything above 0.15mm is going to need a few supports at the very tip of the arc.

Print instructions

brim required if you have issues with bed adhesion.
Supports not needed, but use them if you are not confident in your printer's ability. (the picture is a render, because i gave my copy to the teacher)