Please attach any file you think will help us to quote and build your project. To quote, we usually only need pictures or renderings to help us get an idea of what you are looking for in a model. You are also welcome to upload CAD geometry in almost any format you like including Inventor, SolidWorks, Pro/E, Rhino, AutoCad, and others) Our server only accepts certain file types. If your file type is not accepted, please put it inside a ZIP file.