Engineering technical drawings are crucial for manufacturing / record keeping for your product designs; sending detailed information to manufacturers/ rapid prototyping shops or just keep track of your design processes. I can provide engineering technical drawings in PDF (and in solidwork stp. format if required.) I also provide 3D modeling and product design service, and very confident on working on product design project. I have a network of prototyping workshops and manufacturers in Hong Kong and China, where i can assist on locating manufacturers and provide prototyping service. Don't hesitate to contact me if you have an idea and need someone to create a 3D model as well as make your ideas come to life :)