Multiple Sizes Rubber band strap

This thin 3D printed strap is used with the help of rubber bands. I came up with this idea because I needed an adjustable strap for a yoga mat, but I did not feel like buying a strap material and using a buckle. I settled by printing thin PLA parts which are flexible to an extent and make a great strap when used in conjunction with a common household item (rubber bands). The cap that holds the two parts of the strap together is threaded so it is assembled fairly easily, additionally I was able t