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How I animate 3Blue1Brown | A Manim demo with Ben Sparks

3Blue1Brown · demo · Watch on YouTube

Recreational & visual mathCreative coding & generative artAnimation & visual effects

What it is

Grant Sanderson of 3Blue1Brown shows his workflow for animating math videos with Manim, with Ben Sparks. He codes scenes live, including a Lorenz attractor, and walks through example scenes.

Why Hacker News recommends it

Recommended as a rare detailed look at how 3b1b videos are made, including live debugging of his rendering engine.

  • 3 people recommended it
  • 3 different months
  • 1 strong recommendations
  • first 2024, last 2026

What HN commenters said

  1. “I want to highlight the demo video [0], where Grant explains how he works with Manim.”

    Grant explains how he works with Manim.

    emaro, 2025-08 · Strong recommendation · in “Manim: Animation engine for explanatory math videos”

  2. “It was impressive how he spotted a bug in his rendering engine and found a workaround for it in realtime!”

    Creator spots rendering bug and finds workaround live.

    vindex10, 2024-10 · Recommendation · in “How I animate 3Blue1Brown [video]”

  3. “he explains his process in detail, showing the coding process and everything”

    Shows detailed process with the coding for making 3b1b videos.

    john_strinlai, 2026-03 · Recommendation · in “This picture broke my brain [3B1B video]”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: manim, 3blue1brown, animation, python, live coding

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