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Prismtect
A glass prism that refracts the Milky Way into a rainbow
A small piece of interactive web art. A glass tetrahedron turns over a night sky; the Milky Way flows into it and leaves as a rainbow over a winter coast. Tap the glass and a two-digit number appears inside it, then fades. It means nothing; it's just yours. Real-time three.js glass with Snell's law at each face, a long-exposure-style sky computed per 3 px cell, drag to spin. Free beta, no sign-up, runs on phones.
Top comment
I'm the maker. I wanted one quiet thing on the web you could open, tap, and close: a prism that bends the night sky into a rainbow and hands you a number. Making the sky look like a long exposure on a phone was the hard part; it now runs at about 57 fps on a Galaxy S21. I'm curious whether people come back to it. That's the whole experiment for now.
About Prismtect on Product Hunt
“A glass prism that refracts the Milky Way into a rainbow”
Prismtect was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #265 on the daily leaderboard. A small piece of interactive web art. A glass tetrahedron turns over a night sky; the Milky Way flows into it and leaves as a rainbow over a winter coast. Tap the glass and a two-digit number appears inside it, then fades. It means nothing; it's just yours. Real-time three.js glass with Snell's law at each face, a long-exposure-style sky computed per 3 px cell, drag to spin. Free beta, no sign-up, runs on phones.
On the analytics side, Prismtect competes within Art and Digital Art — topics that collectively have 22.8k followers on Product Hunt. The dashboard above tracks how Prismtect performed against the three products that launched closest to it on the same day.
Who hunted Prismtect?
Prismtect was hunted by AB New. 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 Prismtect including community comment highlights and product details, visit the product overview.