Discover the coolness of MyBuild Core Bricks with the endless creativity to extend your Lego builds. Use them as the core and coat with your bricks to complete the set. The brick sizes come with 1x4x1, 1x6x1, 2x2x1, 2x3x1and 2x4x1 The 3D designs include the print support. They can be easily removed after printing. The supports should stand on the print bed.