I was looking for a better holder for my 6mm thick borosilicate glass bed but I realized that most of makers are using thinner glasses. So I decided to develop my own support. It's based on a Monoprice Maker Select Plus but will work with similar models having the same 220mm x 220mm bed. I also designed it to work with taped bed. The hole for fixing allows some posible adjustments in order to fit better depending on glass real dimensions (the tolerances for the glasses are not so sharp so it can change a little bit). Nominal dimensions considered for the glass are 200mm x 213mm x 6mm. It will work also with thinner glasses but part of the support will protude over the glass bed.