bed sheet Holder

Hello everyone, I would like to present my design of the sheet holder so that it does not roll up and is always nicely arranged :)Place the printed design between the mattress and the sheet and slide the strip in so that the span stops rolling up :DI used PTEG for printing because it is quite flexible. I don't know how a strap made of a different material will work, so I'd love to hear your opinions :D I also needed supports to print this design.I added a new version of the model, it is