3D brand site · for Block & Brew
Coffee 3D
A voxel coffee bar built in Three.js. Scrolling flies the camera through the shop and up to the menu board.
- React
- Three.js
- Vite

Saptarshi ChattopadhyayFull-stack engineer & video editor · সপ্তর্ষি · Kolkata, India
Logline
A full-stack engineer who edits video builds websites that move like film.
Interactive web apps, end to end.
Edits and motion graphics for brands.
Now: Research & Development Specialist at Multiplier AI. Studying electronics & communication engineering at IEM Kolkata.
Selects
Each one was designed and built end to end. These are screen recordings from the live builds — scroll to cut between them, or open any site in a new tab.
3D brand site · for Block & Brew
A voxel coffee bar built in Three.js. Scrolling flies the camera through the shop and up to the menu board.
Brand site
A running brand’s manifesto, told in motion: an aerial track photograph under heavy type, then product stories as you scroll.
Product catalog · for Kilnforge
A catalog for coffee-roasting machines. Blueprint line drawings, an editorial serif and dossier-style detailing.
Agency site · for GPTShopExpert
For a GEO & AEO agency that gets businesses cited by AI search. A rotating 3D satellite, HUD labels and an acid-on-black system.
Brand site
A neighbourhood cafe, loud on purpose: neo-brutalist blocks, a running ticker and a colour-coded menu.
Web app · for Chatterify Mail Studio
A workspace to compose, preview and send outbound email through your own SMTP, with readiness checks and reusable templates.
Designed, built and cut by
সপ্তর্ষি চট্টোপাধ্যায়
Made with Next.js, a little WebGL and one photograph.
Contact
Tell me about it. I usually reply within 24 hours.
Based in Kolkata, India — working with teams anywhere.
সপ্তর্ষিSaptarshi — the seven sages. It’s what India calls the Big Dipper, and it’s my name.