3D Generative Flask

A flask from first principles: it’s a surface of revolution. The shape is a single radius profile r(y) — at each height y, the flask has radius r. Rotate that profile around the vertical axis to get the 3D mesh: torus-like base → straight cone → constant-radius neck → lip bump.

Flask generator (Rust/WASM)

Same math as below; runs as embedded app. If empty, run just build to build the demo.

JavaScript version (fallback)

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Model

Profile: torus-like base (circular arc tangent to the axis at the bottom), then a straight cone to the neck, then constant radius for the neck, then a small lip bump at the rim. The base arc and cone/neck/lip are driven by the sliders; the same math drives the 3D viewer and OBJ export.