-The size is based on real world scale (Unit millimeter).
-This product was created in Rhinoceros 6 for CNC machines, also for 3D printing, Preview render made with blender eevee。
-File Formats included: 3dm, stp, obj, fbx, blender, gltf(the fbx and obj files were tested in Rhino and Blender).
-The main version (.3dm) comes with preview material from rhino.
-Feel free to contact me if you have any request for this model.