AB-L01Actions
Magnetic button
pointer
AB—001
Design & engineering
Design & engineering
Built tosell.
We design and build the brands, sites and products that drive your revenue: pages that turn visitors into customers, and apps people come back to. A design & engineering studio from Jakarta, working worldwide.
The lab — 24 things to play with→Scroll ↓§ 01 — The studio
Most sites look fine and feel like nothing. We obsess over the part you can’t screenshot — the weight of a button, the snap of a drawer, the half-second that makes a product feel expensive. One team designs it and builds it, so nothing gets lost in hand-off.
§ 03 — Capabilities
Logo to load balancer
01
Brand
Identity systems · Art direction · Naming & voice · Launch kits
02
Web
Marketing sites · Creative development · CMS & content · Performance
03
Product
UX / UI design · Design systems · Web & mobile apps · Prototyping
04
Engineering
Rust & TypeScript · APIs & data · Infra & DevOps · AI integrations
§ 04 — The lab
Specimens
24 experiments you can poke, drag and break. Ideas get pressure-tested here first — the good ones end up in client work.
Open the lab →Inspect
AB-L02Actions
Hold to confirm
pointer + touch
AB-L03Actions / Inputs
Slide to pay
pointer + touch
AB-L04Surfaces
Card deck
pointer + touch
AB-L05Feedback
Scramble text
pointer
AB-L06Surfaces
Tilt card
pointer
AB-L07Feedback
Odometer
pointer + touch
AB-L08Inputs
One-time code
keys
AB-L09Inputs
Squish toggle
pointer + touch
AB-L10Surfaces
Spotlight grid
pointer
AB-L11Feedback
Elastic string
pointer + touch
AB-L12Feedback
Ink trail
pointer + touch