HackerTube.dev

The 3D-Printed Curta Calculator

Adam Savage’s Tested · 2M views · 2017-08-31 · 8:36

Open on YouTube ↗

If playback is restricted in your region, try opening the original video. Use Mark watched to add it to your marked videos.

Overview

Adam Savage shows off his collection of analog calculators, ending with a 3D-printed, scaled reproduction of the Curta mechanical calculator built by Marcus Wu. The video examines the replica and the engineering behind it.

On Hacker News

Linked whenever the Curta or mechanical calculators come up, as a look at a working 3D-printed version.

Recommended by 2 HN people across 2 months · HN mentions 2017–2025

Topics

3D printing, CNC & maker projectsMechanical & precision engineeringHistory of computing
Search by tags
curta3d printinganalog calculatorsadam savagemaker

What people said

beeforpork · 2025-11 · Recommendation

Maybe have a look at the Curta for inspiration of a mechanical calculator. There's a 3D printable version of it. [VIDEO] [LINK]

Read the original HN comment ↗
function_seven · 2018-10 · Recommendation

I'm sure you've seen this already, but if not: [VIDEO] A 3:1 scale replica of the Curta, 3D printed.

Read the original HN comment ↗
jshprentz · 2017-12 · Reference

Marcus Wu designed, 3D-printed, and assembled a 3x scale working Curta calculator. He shared his models and progress on Thingverse at [LINK] His YouTube channel includes many videos of the development, assembly, and operation of his calculator. Watch a short demonstration at [LINK] Adam Savage commissioned Marcus to build a copy. Adam unboxes his 3D-printed Curta on YouTube at [VIDEO]

Read the original HN comment ↗

Sources

Video by Adam Savage’s Tested, played through YouTube.

Data and selection notes

HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.

HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

Views, duration and playback status refresh separately from the published catalog. When an update fails, existing data remains visible.

Selection checks
  • SaaS & AI candidates: Topic keywords do not match
  • Editor-approved picks: Editorial review is required

Rule matches identify candidates. They do not guarantee video quality or financial results.

About the library and its sources