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Free and local browser tool for designing gear models for 3D printing

Details

External ID
46524036
Source
HN
Company
—
Product
Free and local browser tool for designing gear models for 3D printing
Website domain
dmtrkovalenko.dev
Launched
Jan. 7, 2026
Cohort
—
Upvotes
53
Upvotes percentile
0.80566534914361
Tags
—
Fetched at
Sept. 7, 2026, 9:25 p.m.
Updated at
Sept. 7, 2026, 9:25 p.m.

Description

Just build a local tool for designing gears that kinda looks and works nice

Enrichment

Theme
creative coding and visual experiments
Vertical
Manufacturing
Function
Dev tools
Audience
Prosumer
AI stance
Not AI
Project type
Commercial product
Normalized one-liner
gear model designer for 3d printing
Manually corrected
False

Could you build this?

Yes Parametric 2D/3D gear generation relies on well-documented involute gear mathematical formulas, easily implemented in a browser using Three.js and an STL/3MF exporter.

Discussion

13 comments analyzed.

Competitors mentioned: Google AI Studio, Free Cad's Gear Workbench, Fusion360

Concerns raised: Only works one-way, bidirectional compatibility requires symmetrical gear design, STL and 3MF not compatible with most CAD software, Generated gears don't mesh properly with each other without manual adjustment

Feature requests: STEP export for CAD software customization, 2D DXF export for broader CAD compatibility, Other gear types like bevel gears and gear racks, Output corresponding/complementary gear automatically

Competitors

Other products that read as similar to this one — 205 launches clear the similarity bar, closest 8 shown.

Attention rank: #35 of 206 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).

Launched 63 days after the earliest competitor.

Other launches for this product

Same idea, different domain

Nobody's really built a dev tools tool for Sales yet.