The Dremel 3D20 build platform provides the removable building surface for your Dremel 3D20 Idea Builder printer. Its smooth and level surface allows consistent builds and ensures print quality. The build platform can be used to replace the original platform that came with your 3D20 printer or used as a second, alternative platform to quicken print jobs. Build sheets that protect the build plate are sold separately. Dimensions: 6.8 In. X 11 In.