Mechanical Engineering Portfolio
View my favorite works
A selection of engineering projects spanning manufacturing, mechanical design, robotics, CAD, 3D printing, analysis, and hands-on implementation.
Selected Work
Explore a project.
Each project opens into a full case study covering the problem, design process, manufacturing, analysis, and result.
Dual-Cavity Polyurethane Mold
Designed a dual-cavity production mold to improve throughput, floor-space efficiency, and operator safety.
Swing Bolt Mold Optimization
Reduced demold time by 83% for a process completed 20-40 times per day.
View project ↗
Polyurethane Mold Extension System
Designed, machined, and assembled a two-week production solution that met an urgent new part specification.
Polyurethane Test Molds
Developed six production test molds and a complete rolling test system for daily material evaluation.
Temporary Wire Saw Containment Enclosure
Created a rapid, low-cost enclosure to eliminate an airborne dust hazard during a critical repair.
Autonomous Mobile Robot
Designed and iterated a 3D-printed scissor-lift system for an autonomous warehouse robot.
View project ↗
Parallette Gym Equipment
Designed, printed, tested, and validated a 3D-printed parallette using FEA and real-world calisthenics use.
About Me
Stephen Quartarone
I specialize in turning engineering problems into practical, well-designed solutions, from research and concept development through CAD, manufacturing, testing, and functional prototypes. I enjoy balancing technical performance with usability, manufacturability, safety, and cost while clearly communicating the engineering decisions behind each solution.
I am a Mechanical Engineering student at Northeastern University with a minor in Aerospace Engineering. I am most energized by hands-on work, whether I am machining tooling on a production floor, iterating a robot, validating a 3D-printed design in ANSYS, or building something simply because I want to understand how well I can make it work. I like taking ownership, learning directly from the people who use a design, and carrying ideas all the way through implementation.
Contact Me
Let’s build something worth talking about.
I’m interested in mechanical design, manufacturing, aerospace, robotics, and product-development opportunities.