Abstract
Sacks Spiral / Prime Spiral
Post Author: Pen Plot Line Dot Project Year: 2026 This project shows how a mathematical rule can generate a physical drawing. By arranging whole numbers along a spiral and marking the primes, it makes numerical relationships visible as curved patterns. Students can explore how mapping numbers to positions changes what they see, while the […]
Trippy Line Plot
Post Author: PlotterPen; reposted by designboom Project Year: 2026 This project shows how closely spaced curves can create optical effects through repetition and changes in line direction. Students can explore how line spacing, curvature and pen thickness affect the appearance of a plotted pattern. The close-up view also draws attention to the machine’s movement, […]
Golden-Ratio Moiré
Post Author: Degenerate Generated Project Year: 2026 This project shows how a hand-operated drawing mechanism can produce complex patterns through repeated geometric movements. Overlapping spirographic lines create a moiré effect, where additional bands and curves appear between the drawn lines. Students can explore how gear ratios, pen positions and overlapping layers affect the result, […]
Rainy Window Screen Plot
Post Author: Threadbreak Studio Project Year: 2026 This project shows how an everyday observation of rain collecting on a window screen can become a plotted drawing. Shapes from a photograph are traced and smoothed into curves, connecting a physical pattern to editable digital geometry. Students can use this approach to explore how tracing, simplification […]



