.75 inch pvc end brackets

¾ inch pvc end brackets for my direct to film printer oven, you get built up oil from the curing process and itll wrinkle the film and cure that way. so i decided to make a roller/ tensioner to try to prevent the oils from ruining my prints. cut to lenghth your piece of ¾ pvc and add magnets to back of mounting surface. i decided not to add a negative space for magnets because we wont all have the same ones. its not perfect by no means but hopefully itll help some one who might be in the same postion or simular as me.