addison.kopplin
● online · 47.67° N, 122.12° W

Addison Kopplin

Mechanical engineer. Integration & test on Starlink bus and payload sub-assemblies at SpaceX. This site is a workbench: small experiments in code and hardware, added as they get built.

EXP-002 · liveφ 30.0° · r 0.670
move pointer: x → branch angle, y → length ratio · 1023 segments · open full controls
01 experiments 3 entries · growing
String art portrait of Einstein made of 5,000 straight lines
EXP-001python · canvas

String art: 5,000 threads, 288 nails

A greedy line-picking algorithm turns a photo into a single continuous thread. Watch the nail sequence replay line by line.

EXP-002python · canvas

Fractal tree

Recursive branching: every branch splits in two, rotated ±φ and scaled by r. Sliders for depth, angle and ratio.

PIDreactionwheelφφ_refroll rate / angle- HW-001 · ROLL CONTROL LOOP2020-22
HW-001…003hardware log

Hardware log

Active roll control for a high-power rocket, electronics for a solar-powered robot, and PCB / Simulink / vision research.

02 elsewhere

Full work history is on the resume page. Source for the code experiments lives on GitHub.