For production-ready use, we recommend downloading the Original format.The Converted version is intended only for use in the web viewer. In the original file, the following are fully preserved:✔ full scene structure✔ complete materials without reduction✔ correct PBR texture maps✔ proper object namingIf you plan to use this model in production, choose the original version.Low poly 25k tris limit train that I made as a practice in a train making for games. Materials on train are vertex colors no textures. Modeled after images and blueprints of a real train a correct size.