Made in the Trochoid Track Generator

Vectors, straight out of the tool.

Every piece here was generated in the browser and exported as true-size SVG — no redrawing, no tracing. The caption under each is the whole recipe, so you can reproduce it exactly.

Racetrack ribbon
Racetrack ribbon2 circles · 39T · 10T planet · 10 laps
Inward weave
Inward weave1 ring · 29T · 10T planet · internal
Three-point star
Three-point star3 circles · 45T · 15T planet · 8 pens
Five-lobe lace
Five-lobe lace5 circles · 54T · 20T planet · 1 pen
Nephroid pair
Nephroid pair1 circle · 24T · 12T planet · 8 pens
Spiral bolt circle
Spiral bolt circle2 circles · 55T · 11T planet · spiral
Tusi line set
Tusi line set1 ring · 24T · 12T planet · internal
Six-circle field
Six-circle field6 circles · 57T · 15T planet · bolt circle
Uneven pair
Uneven pair2 circles · 40T · 10T planet · spiral

Make your own.

The studio is one HTML file. Set the tooth counts, pick the pens, export.

See the tools