The Interface
How it worksPricingFor architectsSign in
Residential design · with an AI that asks the right questions

Start by telling us
what you want to build.

Describe your project in your own words. Sketch your existing house in a few minutes. We'll generate three addition options — each with a cost estimate and a compliance check — before you create an account.

Start designing
01
A few questions
In plain language.
No forms.
02
Sketch the existing house
Rough is fine.
We normalize it.
03
Three addition options
Cost, compliance,
and a 3D view.