Toying With Design: Experiencing Design for Rapid Prototyping Using Mini-Fabrication Exercises

by | Aug 21, 2018

Authors: Siddharth Banerjee, Caleb Carithers, Aniket Chavan, Devarajan Ramanujan and Karthik Ramani
Proceedings of the ASME 2018 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2018. August 26-29, 2018, Quebec City, Canada

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This study explores the use of mini-fabrication exercises for helping students learn design for rapid prototyping in computeraided design and prototyping courses in engineering curricula. To this end, we conducted mini-fabrication exercises in ME444—an undergraduate course at Purdue University. The exercises provide hands-on exposure to design for rapid prototyping principles using simplified design problems. We developed two mini-fabrication exercises in ME444; (i) gear pair design & box design using laser cutting, and (ii) toy catapult design using stereolithography printing. These exercises were tested in a classroom-setting with 51 undergraduate students. Results show the mini-fabrication exercises facilitated students’ learning of geometric dimensioning & tolerancing, part sizing, and material properties in laser cutting and stereolithography printing.

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