Online Building Designer — Premo Steel Buildings

3D steel building design blueprint

Design Your Building

Online Building Designer

Configure your custom steel building in 3D — choose your size, style, doors, windows, and colors before you ever talk to a salesperson.

See It Before You Build It

Our online 3D building designer lets you experiment with dimensions, roof styles, door placements, window configurations, and color combinations in real time. It's the fastest way to turn your idea into a concrete plan — and it's completely free to use.

Once you've configured your building, save your design and bring it to us. Our team will review it, answer your questions, and give you an accurate price based on your exact specifications.

Launch the free 3D building configurator

Launch the Designer

Opens in a new tab — free, no account required

What You Can Do

Real-Time 3D Preview

See your building from any angle as you configure it. No guessing what it will look like.

Full Size Control

Set your exact width, length, and eave height. The designer handles the geometry.

Door & Window Placement

Add and position roll-up doors, walk-in doors, and windows exactly where you need them.

Color Customization

Choose from 40+ panel and trim colors to match your property or brand.

Roof Style Options

Select gable, single-slope, or other roof configurations to suit your site.

Save & Share

Save your design and share it with us or your contractor for an accurate quote.

Prefer to Talk It Through?

Our team is happy to walk you through options over the phone.