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FacetLab
Polish a rough diamond in your browser, learn the 4Cs
FacetLab is a free, open-source WebGL learning simulator from 4Cs.co.za. Inspect a rough diamond crystal, reveal inclusions, plan the proportions, polish the facets of a brilliant cut, and generate a finished 4Cs scorecard (cut, colour, clarity, carat). It runs entirely in your browser. Educational only: no signup, no pricing, no appraisal. Source open on GitHub.
Hi everyone! I'm the maker behind FacetLab. I built it to make the diamond 4Cs (cut, colour, clarity, carat) something you learn by doing rather than reading. You inspect a rough crystal, find inclusions, plan proportions, polish the facets, and get a 4Cs scorecard at the end. It's free, open-source (WebGL + Three.js), runs in your browser with no signup, and is published by 4Cs.co.za. Would love your feedback!
About FacetLab on Product Hunt
“Polish a rough diamond in your browser, learn the 4Cs”
FacetLab was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #130 on the daily leaderboard. FacetLab is a free, open-source WebGL learning simulator from 4Cs.co.za. Inspect a rough diamond crystal, reveal inclusions, plan the proportions, polish the facets of a brilliant cut, and generate a finished 4Cs scorecard (cut, colour, clarity, carat). It runs entirely in your browser. Educational only: no signup, no pricing, no appraisal. Source open on GitHub.
On the analytics side, FacetLab competes within Design Tools, Open Source, Education and GitHub — topics that collectively have 449.8k followers on Product Hunt. The dashboard above tracks how FacetLab performed against the three products that launched closest to it on the same day.
Who hunted FacetLab?
FacetLab was hunted by Darren Etkind. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of FacetLab including community comment highlights and product details, visit the product overview.
Darren Etkind