generate 3blue1brown-style videos from a prompt

// educational examples

classic 3b1b-style math & cs scenes, generated from a single prose prompt. click to play inline.

Pythagorean theorem — visual proof

"a right triangle with legs 3 and 4, squares drawn on each side…"

Sine wave from a unit circle

"unit circle on the left, sin(θ) projected onto a graph on the right…"

Fourier — building a square wave

"add successive odd harmonics until the sum approaches a square wave…"

Bubble sort visualization

"8 bars, highlight the pair being compared, lock greens once sorted…"

K-means clustering

"30 points, 3 centroids, recolor by nearest, move centroid to mean…"

Golden spiral (Fibonacci)

"squares of side 1,1,2,3,5,8,13 then a quarter-arc through each…"

Matrix transformation on basis vectors

"apply [[2,1],[1,2]] to the grid, watch i-hat and j-hat move…"

Sieve of Eratosthenes

"cross out multiples of 2, 3, 5, 7 — highlight remaining primes in gold…"

// feature explainers — rendered by this app

need a 30-second explainer of your product feature? same prompt → mp4 workflow.

InstaVM — egress control

"default deny → allowlist of api.openai.com, github.com…"

InstaVM — vault-backed secret injection

"secret lives in vault, injected as env for one command, never persisted…"

Webhook retries with exponential backoff

"500 → 1s → 500 → 2s → 500 → 4s → 200, with timeline below…"

Rate limiting — token bucket

"5-token bucket, requests drain it, refill 1/sec, 6th hit gets 429…"