Cookie SheetCookie Sheets by Cookiecad are a 3D printer surface that replace your bed. Our smooth Cookie Sheets are double sided, so you get the same unique pattern on each side. The pattern will magically transfer to the bottom first layer of your 3D print. Cookie Sheets require no setup! They are ready to print steel sheets that attach to your magnetic print surface. They are perfect for PLA, PETG, and TPU material with a max bed heating temperature of 100C.