Bulldog Steel Structures Designer vs DIY Sheds Configurator: Which Should You Use?
The verdict
Bulldog Steel Structures Designer and DIY Sheds Configurator are both home & construction design tools, compared here side by side. Bulldog Steel Structures Designer is free, brand-locked (Free) and runs in any web browser with nothing to install; DIY Sheds Configurator is free, with limits (Paid) and runs in any web browser with nothing to install. Both are close on the basics, so the choice comes down to which free-tier limits and platform support fit your project.
Free tiers & pricing last verified Jun 23, 2026.
Pick Bulldog Steel Structures Designer if…
Free, brand-lockedVisualizing a custom steel garage before quoting
Pick DIY Sheds Configurator if…
Free, with limitsDIY garden rooms and custom sheds with plans
Side by side
Bulldog Steel Structures Designer
Free, brand-lockedFree 3D carport/garage design tool with live price changes; you save and submit for a quote rather than checkout.
DIY Sheds Configurator
Free, with limitsFree real-time 3D configurator with cutting list and PDF/SketchUp export; saving variations and full plans is the free offer, with paid upgrades for businesses.
Read the full reviews
Bulldog Steel Structures Designer
Free 3D carport/garage design tool with live price changes; you save and submit for a quote rather than checkout.
DIY Sheds Configurator
Free real-time 3D configurator with cutting list and PDF/SketchUp export; saving variations and full plans is the free offer, with paid upgrades for businesses.
Bulldog Steel Structures Designer vs DIY Sheds Configurator: questions, answered
What is the main difference between Bulldog Steel Structures Designer and DIY Sheds Configurator?
Both are close on the basics, so the choice comes down to which free-tier limits and platform support fit your project.
Is Bulldog Steel Structures Designer or DIY Sheds Configurator free?
Bulldog Steel Structures Designer is free, brand-locked and DIY Sheds Configurator is free, with limits. Bulldog Steel Structures Designer: Free 3D carport/garage design tool with live price changes; you save and submit for a quote rather than checkout. DIY Sheds Configurator: Free real-time 3D configurator with cutting list and PDF/SketchUp export; saving variations and full plans is the free offer, with paid upgrades for businesses.