extruder

Hi, everyone, currently I am studying mechatronics engineering. In this project am trying to upgrade my old RepRap Mendel. My goal for this project is a minimum price, upgrade weak structure and able to print well ABS. For now all the design I used 123D Desing which is free and I have uploaded whatever I finish project folder so u may download and change according to what ur design . And yes I am stay learning the process, so I am very happy to see your command, feedback, recommend anything. Th