outland models Train Locomotive Maintenance Platform & Accessories HO OO Scale This product is created by 3D Printer Just like most other 3D-printed products, when you look at it carefully you see the printing patterns Some parts may requires assembly and glue For technical and safe transporting reason, the product may come with a very thin sheet below it or a support structure which connects to it on some points, You may have to remove the product with a cutter(just like you remove the parts from a sprue in a model kit)