Shape
Star
n=0.5 · deep concave cusps
Astroid
n=⅓ · |x|^⅔+|y|^⅔=1
Diamond
n=1 · rhombus
Ellipse
n=2 · standard circle
Squircle
n=4 · Piet Hein super-circle
Sergels Torg
n=2.5 · a/b=1.2, Stockholm 1967
Hyper-sq
n=6 · near-rectangular
Rectangle
n=10 · approaching box
Exponent n
4.00
Aspect a/b
1.00
Speed
▶ Slow
▶▶ Med
▶▶▶ Fast
Color
Accent
Spectrum
Fill
Overlays
□ Box
○ Ellipse
≈ Family
⟳ Morph
n =
4.00
a/b =
1.00
squircle
|x/a|^n + |y/b|^n = 1
Lamé 1818 · Gabriel Lamé
n slider
— shape exponent
a/b
— horizontal stretch
Morph
— auto-cycle through n
Family
— show nearby curves