I have some pictures and illustrations that need to be developed to 3D. I will be 3D printing this concept design, so it needs to be able to cleanly convert to .stl format upon completion. I currently use Solidworks. I need you to be able to send me igs or step file so it can cleanly be converted over to sldpt. Also, I may send you a file with basic geometry to get started with the proper scale. You will need to be able to convert over to your program to get started.