How to start a 3D rendering business in Australia

When I started Build3DRender in Sydney in 2018, I was one person with a workstation and a few clients who needed to see a building before it existed. Today we’re a studio of 20 in-house 3D artists in Ultimo. Most of what I know about running this kind of business I learned by getting it wrong first, so this guide is the practical version I wish someone had handed me at the start.

1. Understand what the work actually is

3D architectural rendering means turning drawings into images and animations that show what a building or space will look like. The main products are:

• Exterior renders of houses, townhouses, apartments and commercial buildings, often with landscaping and street context.
• Interior renders of kitchens, living areas, bathrooms, offices and fit-outs, showing finishes, joinery and lighting.
• 3D floor plans, which help buyers understand layout and flow far better than a flat 2D plan.
• Animations and walkthroughs for larger projects and marketing campaigns.

Knowing who buys each one, and when, is what turns a skill into a business. Architects and building designers use renders at concept stage and for development applications. Builders use them to win contracts and get client sign-off before work starts. Developers and real estate agents need marketing images for off-the-plan sales, often months before construction. Interior designers use them to get decisions on finishes before anything is ordered.

Each buyer cares about something different. A council submission needs accuracy. A sales campaign needs mood and lifestyle. A builder needs speed and a clear picture the homeowner can approve. Price and pitch your work around those needs, not around your software.

2. Skills, software and hardware

The most common professional workflow in architectural visualisation is 3ds Max with V-Ray or Corona, with Photoshop for post-production. That’s what our studio uses. Other tools such as Blender, SketchUp with V-Ray, Lumion, Twinmotion, D5 and Unreal Engine all have their place, especially for fast turnarounds or real-time work.

If you’re starting out, learn in this order:

1. Reading architectural drawings. If you can’t read plans, sections and elevations confidently, nothing else matters. Most errors in rendering come from misreading drawings, not from poor lighting.
2. Modelling accurately from those drawings.
3. Lighting and materials. This is where images go from “computer generated” to believable.
4. Composition and camera work. Learn from architectural photography.
5. Post-production, kept subtle.

On hardware, start with one strong workstation with a good GPU and plenty of RAM. When deadlines start stacking up, a cloud render farm is usually a smarter first step than buying a second machine, because you only pay when you need the capacity.

3. Setting up the business

A few things are worth sorting out before your first paid job:

• Structure. Many people begin as a sole trader with an ABN because it’s simple and cheap. As revenue and risk grow, a company structure may make more sense. Talk to an accountant early; it costs far less than fixing it later.
• Contracts. Even small jobs need written terms covering scope, number of revision rounds, payment terms, deposit and what happens if the design changes halfway through. See Contracts and legal basics.
• Copyright and licensing. Spell out who owns the images and how the client may use them (website, brochures, signage, portals). A common approach is to grant the client a licence to use the images for the project while you keep the right to show them in your portfolio, unless they need confidentiality. The Attorney-General’s Department explains how copyright ownership works.
• Protecting client drawings. You’ll be handling unreleased designs and sometimes commercially sensitive developments. Store files securely, limit who can access them and be willing to sign NDAs.
• Insurance. Professional indemnity cover is worth discussing with a broker once you’re working with developers and builders.

4. Quoting and scoping without losing money

Scope creep is the fastest way to work for free in this industry. A good brief protects both you and the client. Before quoting, ask for:

• Final, or near-final, architectural drawings.
• A finishes schedule or reference images for materials.
• The number of views and which angles matter most.
• Landscaping, furniture and styling expectations.
• How the images will be used, since that affects resolution and licensing.
• The deadline and who signs off.

Then quote with a fixed number of revision rounds, usually two, and a clear rate for anything beyond that. Separate corrections (you got something wrong) from changes (the design changed). Clients generally accept paying for design changes when it’s written down from day one.

Ask for a deposit on new clients. It filters out tyre-kickers and keeps cash flow steady while you’re modelling.

5. Finding work and growing from freelancer to studio

Your portfolio is your shop window. Show fewer, better images, and show the kind of work you want more of. If you want builders as clients, show homes. If you want developers, show apartments and marketing-grade exteriors.

Most of our early work came from referrals. Architects talk to builders, builders talk to developers, and one well-handled project leads to the next. Reply quickly, meet deadlines and make revisions painless; that reputation travels further than any ad.

Other channels that work well in Australia:

• Industry associations and local building and design networks.
• A clear website with your portfolio, services and an easy way to request a quote.
• Business directories and professional profiles.
• Being genuinely helpful in industry groups and publications.

When to hire is the big question. The signal for me was turning work away or delivering late because I was the bottleneck. Hire for the part of the process you’re weakest at or that takes most of your time, often modelling, so you can focus on quality control, client relationships and lighting. Document your workflow before you hire, so training doesn’t depend on someone looking over your shoulder.

As you grow, consistency becomes the product. Clients come back because they know what they’ll get every time, regardless of which artist works on the job.

A launch checklist

• Can you read plans, sections and elevations confidently?
• Have you chosen a core software workflow and built a portfolio of 8 to 12 strong images?
• Do you have an ABN and have you spoken to an accountant about structure?
• Do you have written terms covering scope, revisions, payment and image licensing?
• Is client data stored securely, with an NDA ready if needed?
• Do you have a standard briefing checklist for every job?
• Does every quote state the number of revision rounds and the rate for extras?
• Do you take a deposit from new clients?
• Do you have a website and a simple way for clients to request a quote?
• Do you know who your ideal client is, and does your portfolio speak to them?

3D rendering is a rewarding business because you help people see and commit to something that doesn’t exist yet. Get the fundamentals right, look after your clients, and the work tends to grow on its own.

About the author

Shrey Agarwal is the founder of Build3DRender, a 3D architectural rendering studio in Ultimo, Sydney, with 20 in-house 3D artists producing renders, 3D floor plans and animations for architects, builders and developers across Australia.