Bulldog Steel Structures Designer
Free, brand-lockedDesign your own custom metal building
Free tier & pricing
Free 3D carport/garage design tool with live price changes; you save and submit for a quote rather than checkout.
Last verified Jun 23, 2026. Report a change →
The short answer
Bulldog's self-serve 3D estimator lets you set size, colors, doors, and windows for carports and metal garages.
The facts
- Pricing
- Free · Free, brand-locked
- Free tier
- Yes
- Runs in browser
- Yes
- Platforms
- Web
- 2D / 3D
- Good 3D
- Learning curve
- Moderate
- Export formats
- —
The catch
- Designs only with this brand’s own catalog.
Best for
Visualizing a custom steel garage before quoting