🧩 Add new piece Piece information Required fields Category Square geometry Circular geometry Octogonal geometry Exagonal geometry Mixed geometry Other Diameter 17 studs (48 studs perimeter) Diameter 3 studs Diameter 5 studs Diameter 9 studs Ledge - half stud Wall coverings round loin Oct D5 Octogonal D03 Octogonal D11 corner (diameter 11 studs) Octogonal D13 corner (diameter 13 studs) Octogonal inside angle fit Arches Arches - Semicirculars Bricks Bricks without studs Merlons Plates Plates without studs Rebound slope Tower face 3 studs Tower face 5 studs Family Click an existent family from above or type new family. Name Be descriptive in the name, include family name at the beginning if is necessari. Photo Use a physical piece photo (better than a 3D model) and white or transparent background (use an on-line image background remover like remove.bg if is necessari) Optional fields Type Bricks Plates Roofs Tiles Arches Windows Doors Battlements Machicolations Slopes Wall coverings Other Type of structural element. Geometry Square Circular Octogonal Exagonal Dodecagonal Mixed Geometry group. Geometry diameter ...or... Adjust to the square walls (when no studs position diameter define the piece) Geometry vertex fit Inside angle fit Outside angle fit Studs position angle fit Volume Total volume occupied by the piece: Length Height Depth And only for doors, windows, arches and similar elements: Hole width Style Egiptyan Doric Ionic Corinthian Persian Roman Islamic Romanesque Gothic Mudejar Non specific Other Only for specific architectural style. Description Original Manufacturer Exin Popular de Juguetes Home made Other 3D file STL file Select the 3D file. Link Web link to files and information. Creator name 3D file author name for credit piece. Publication information Publication authorship Name Your name for credit publication. E-mail Your mail for contact (it will not be made public). Notes Hidden private notes for the editors. Security control =