Charlie Duffell

Discipline: Mechanical design
Based: Harrisburg, NC
Studying: Engineering, business admin minor

Engineering student at NC State, minoring in business administration. I founded Charlie's Innovations and sold a part I designed into ten Chick-fil-A stores; now I am working toward automation and robotics.

Open to Summer 2027 internships in automation and robotics.

01·2024 to 2026

Quick-Clip

A CNC-machined replacement for a part Chick-fil-A drive-thrus were buying three to five times a year. Two years in service, zero replacements.

Product design · CNC · Sales

02·2026 to present

Adaptive Dispensing System

A parametric, gravity-fed dispenser designed to separate and count mixed products out of a bin. It is the case for dispensing over robotic picking, worked out in CAD.

Mechanical design · Automation · In progress

03·2026 to present

Redense

A resume builder whose LaTeX pipeline guarantees one page at any content length. It recompiles until it fits, and never shrinks the type to get there.

Software · AI · LaTeX

04·2026

From Landfill to Living Design

A Bluetooth speaker and lamp built into a discarded glass jar. Only about 31% of glass produced each year gets recycled that year; this gives some of the rest a second life.

Product design · Circuit design · Team of four

All work(05)