July 17th, 2025
As more people turn to prefabricated steel buildings for everything from garages and workshops to homes and barns, the demand for versatile, easy-to-design structures is growing. Whether you’re planning to build a barndominium, a vehicle storage unit, or a multi-use space that combines living quarters with a garage or workshop, the idea of designing your building online might seem too good to be true.
Fortunately, it’s not.
At Titan Steel Structures, we’ve simplified the process of designing a custom metal building with our easy-to-use 3D Building Design Tool. This intuitive platform allows anyone to create a customized, multi-purpose building in minutes.
In this article, you will learn:
- How you can design your multi-use steel building online
- How the tool’s key features work
- Why steel buildings are the perfect solution for flexible, long-term use.
Why Choose a Multi-Use Steel Building?
Multi-use steel buildings are growing in popularity because of their flexibility, cost-efficiency, and durability. Whether you’re looking to combine a garage with a home office or want to create a barndominium with both living and working space, a prefabricated steel building lets you do it all under one roof.
Prefabricated steel buildings are ideal choices for a multi-use building because they offer:
- Custom layouts to suit multiple purposes
- Fast and affordable construction
- Minimal maintenance over time
- Clear-span interiors with no interior columns for flexible space use
- Scalable designs that you can expand on later if needed
You don’t need multiple buildings. You need one that does it all—and that’s where the design tool comes in.
What is the Titan Steel Structures 3D Building Design Tool?
Our 3D Building Design Tool is an interactive, web-based platform that lets you build your custom metal structure visually, before committing to anything.
It puts control in your hands, letting you:
- Set your building’s dimensions
- Choose roof styles and pitches
- Customize wall, roof, and trim colors
- Place windows and doors exactly where you want them
- Design interiors for specific uses
- Add insulation, gutters, skylights, and more
- Visualize your building with cars, people, and driveways for scale
When you’re done, you can submit your design for a free quote—no phone call needed.
How to Design a Multi-Use Building with the 3D Tool: Step-by-Step
Creating a multi-use building online may sound complicated, but the design process is streamlined into just a few straightforward steps.
Here’s how it works:
1. Set Your Building’s Dimensions
Start by choosing your building’s size—height, width, and length. This will depend on how much space you need for each use.
For example, a combined garage and workshop might be 40×60 ft, while a barndominium with living space and a stable might be 60×80 ft.
The tool allows for a wide range of sizes, so whether you’re working on a small side project or a large residential property, you can tailor the structure accordingly.
2. Select Roof Type and Pitch
Next, choose the roof style and pitch. You can go with a gable roof for a classic look, or a custom pitch to suit your local climate or design goals.
If your structure will be in a region with heavy snow or rain, adjusting the pitch ensures better drainage and durability.
3. Pick Your Colors
A building’s appearance matters, especially if it will double as a home or sit in a residential neighborhood. Having customization options makes it possible for you to create the multi-use building of your dreams.
You can customize the colors for the:
- Roof
- Walls
- Trim
- Gutters and downspouts
You’ll see each selection update in real-time, so you can experiment until you find the perfect combination.
4. Customize Wall and Wainscoting Options
You can use the checkboxes to define what kind of wall finishes you want. If you are looking to improve curb appeal, apply wainscoting. You can also opt for plain finishes for a more industrial look.
This stage helps balance form and function, depending on your building’s intended use.
5. Adjust Roofing Features
During the roofing feature step, you can add customizations like:
- Skylights to bring in natural light
- Ridge vents and eave overhangs for airflow
- Gutters and downspouts to manage water runoff
These details are important for livability and building health, especially if part of the structure will be used as living quarters.
6. Add Windows and Doors
Place windows and doors where you want them. Want a side-entry garage? Done. Need lots of natural light in your home office? Add larger windows.
This level of control is critical for multi-use buildings because you’ll need different access points for different parts of the structure.
7. Design the Interior
Once your structure’s shell is complete, it’s time to work on the interior options. You can choose insulation for walls and roof, set ceiling and wall color preferences, and configure internal partitions if needed (you can note these for later build stages).
This part is especially helpful for those designing barndominiums or buildings that will be used for temperature-sensitive storage or livable areas.
8. Add Scale Elements
To help you understand how your design will look in the real world, you can insert:
- Vehicles
- People
- Driveways
- Trees or landscaping elements
This helps you visualize your space usage, making it easier to ensure the building fits your lot and your lifestyle.
9. Save, Print, Share, or Submit
When you’re satisfied with your creation, you can:
- Save your design for later
- Print a copy for your builder
- Share the file with a contractor or partner
- Submit it for a free quote from our team
Submitting the design allows us to provide a fast, detailed quote so you can move forward with your project confidently.
Common Uses for Multi-Use Steel Buildings
Our customers have used multi-use steel buildings for a wide variety of needs, including:
- Barndominiums- You can create a barndominium with our 3D design tool, which is a building that combines living space with a barn, garage, or workshop.
- Home and Office- Perfect for remote workers who want a dedicated workspace separate from living areas
- Garage and Storage- Store vehicles while also using part of the space for tools, inventory, or seasonal equipment.
- Horse Stables and Apartment- Great for ranchers who want to live on-site or house staff on the property.
- Workshop and Showroom- Ideal for small business owners who need workspace and customer-facing areas under one roof.
Why Use a Steel Building for Your Multi-Use Project?
Steel buildings aren’t just affordable. They’re also:
- Stronger and longer-lasting than wood
- Resistant to fire, pests, mold, and water damage
- Faster to build with pre-engineered kits
- More sustainable with recyclable materials
- Easier to insure and maintain
And thanks to the 3D Design Tool, they’re easier than ever to visualize, plan, and price—all online.
Ready to Get Started? Contact us Today for More Information on our 3D Design Tool
If you’ve been wondering whether you can design a multi-use building online, now you know: You can, and it’s easier than you think.
Titan Steel Structures’ 3D Design Tool gives you full control over your project, from size and layout to color and roofing options. It’s perfect for designing a structure that works for both your personal and professional needs, whether that means building a barndominium, a hobby workshop, or a flexible garage with storage space.
Try the tool now or reach out to our team for guidance—we’re here to help you create a metal building that does more.