We Accidentally Discovered a $100B Market That Nobody Had Given Proper Visualization Tools To

Hey PH 👋,

Quick context: my co-founder and I are software engineers. We didn't set out to build a property management tool.

We set out to solve a visualization problem. Specifically, why does converting a 2D floor plan into a photorealistic 3D render still cost thousands of dollars and take weeks?

We built Foursite by VirtualSpaces to fix that. Upload your blueprints or 2D floor plans. AI converts them: blueprint to 3D, floor plan to 3D, in minutes. You get interior design photo-real renders. Styled with AI interior décor. Accurate to the real property geometry.

Then something interesting happened. Property managers found us.

And they had a very specific problem. Every time a unit turned over, they were losing weeks of rental income. Not because the market was soft. Because their listings weren't good enough to attract the right tenant fast enough.

Photos lie. Wide-angle lenses make rooms look bigger than they are. A standard 2D floor plan means nothing to most prospective tenants. So people booked viewings they shouldn't have booked. Wasted appointments. Wasted weeks.

What they needed was AI virtual staging: Spatial, accurate, built from the actual floor plan of the specific property. Not stock photo composites. Not generic templates. Real AI 3D visualization of the real space.

That's Foursite.

Property managers using it are pre-marketing vacant units before the current tenant even leaves. They're generating AI interior design renders in multiple styles and listing them the same day they get a notice. They're reducing wasted viewings because tenants can genuinely pre-qualify themselves from the listing.

No render studios. No outsourced virtual staging invoices. No waiting. Convert floor plan to 3D. Convert blueprint to 3D. Done.

We're two techies who stumbled into a market that has been underserved by visualization technology for decades. We're not property managers. We're not real estate experts. We just saw an inefficiency that was costing landlords real money every single month and thought: there has to be a better way.

We think Foursite is that better way.

Read more here: How Property Managers can turnaround a vacant property sooner

We'd genuinely love your feedback. What would make this more useful to you?

Cheers!