Built from curiosity.

Things I'm curious enough about to build — products, research tools, hardware experiments. Some are live, others are still finding their shape.

Featured · Full-Stack Product

Handwrite

Your message → custom handwriting → a real postcard in the mail. Stripe payments, pen plotter hardware, automated fulfillment.

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Now
  • ShippingLubaUI 0.2.0
  • BuildingHandwrite
  • BuildingRecruiting with Agents
  • TinkeringAnimalTaskSim
  • Based inDüsseldorf
— August 2026
iOS App

VibeEcho

Reads any public Instagram profile — engagement, comment sentiment, posting times. Gemini analyzes Reels frame by frame.

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Research / Open Source

AnimalTaskSim

Benchmarking RL agents against real rodent and primate behavioral data.

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Open Source / Design System

LubaUI

Composable SwiftUI design system. 37 components, behavior primitives, and themes that actually repaint — across five Apple platforms.

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Contact

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Log
  • Aug 11, 2026Rewrote the LubaUI page around the 0.2.0 release, and refreshed the agent reference it serves at /lubaui/llms.txt.
  • Aug 10, 2026Shipped LubaUI 0.2.0 — themes that repaint their components, Reduce Motion honored system-wide, a type scale that grows with Dynamic Type, and built-in strings in English and German.
  • Aug 9, 2026Started building a real iOS app on top of LubaUI — the first proper test of the system outside its own showcase.
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