We will create a perfect part engineered to your specification. We can also help you with measurements, and structural details in terms of manufacturing standards in the category that you are developing your product or part. All of our stl files are error free and we guarantee they will be printable and manufacturable in every way. Meaning we understand the tolerances of cnc milling machines, lost foam and wax castings, pressure over vacuum castings, die striking, etc. While CAD design is becoming common knowledge the tolerances in which stl files created for manufacturing is not. Every file we make is guaranteed to manufacture perfectly, as we 3D print every file before we deliver to insure the part is complete and error free. Correcting any problems found so you don't have to. Don't waist time and money developing unusable files. Give us a chance to earn your business. You will be satisfied with the results.