Pinwheel — f(r,θ) = cos(nθ + αr)

Tap to zoom

Pinwheel

f(r,θ) = cos(nθ + αr)

A spiral pinwheel — rotational symmetry with radial twist. The pattern spins without effort.

Spinning without friction, turning without effort

Part of: JOY

Digital Download

High-resolution PDF, 300 DPI, print-ready

Or get the complete JOY series for $82 →

More from JOY

Bloom — r(θ) = a + b·cos(nθ), a > b

Bloom

r(θ) = a + b·cos(nθ), a > b

Confetti — P(x,y) ~ Uniform(Ω), N >> 1

Confetti

P(x,y) ~ Uniform(Ω), N >> 1

Lissajous — x = sin(3t), y = sin(4t)

Lissajous

x = sin(3t), y = sin(4t)

Sunburst — I(r,θ) = I₀ · (1/r) · Σ δ(θ - 2πn/N)

Sunburst

I(r,θ) = I₀ · (1/r) · Σ δ(θ - 2πn/N)