The Art of 3D Render Interior Design: From Concept to Reality

Interior designers rely on a clear and impressive tool for presentation to clients and investors in order to create high-quality designs in residential and commercial projects. They need to achieve an interior design with an aesthetic appeal that is compliant with functional needs and allows people to feel comfortable. But these aspects can’t be expressed in words or shown in pictures or diagrams. This is where interior rendering comes in.

Interior design renderings are like a designer’s trusty sidekick. They help designers express their ideas by showing things like colour choices, furniture picks, where the lights go, the lines of the room, the shapes that stand out, how the space is used, and even the feel of different textures.

Additionally, through rendering design, clients can easily work out different options for placing different elements in the space and see its outcomes in real-time, say clients want to move the furniture, lighting sources, decorations, or furniture.

Most importantly, interior design rendering helps interior designers minimise or eliminate misunderstandings with their clients before the start of the project, which will expedite their entire design process and approval of their work. Whether you want to be ahead of the competition or impress your existing clients and gain new ones, 3D interior rendering is what you need. Curious to know why? Continue reading this article for answers.

Rendering Interior Design: What is it?

Before we dive into the topic, it’s essential to define the basic terms first. Simply defined, interior design rendering refers to the creation of three-dimensional models of space as close to reality as possible. Because of the prevalence and accuracy of rendering software and various 3D visualisation and modelling programs, interior designers can easily transform 2D interior spaces into 3D designs, complete with the most realistic details. Interior renderings also allow clients to see the appearance of their future home, office, hotel, or other elements of the project’s progress.

The biggest difference between a rendered interior design and a sketch is that the former enables clients to consider in detail all elements of the design in the correct proportions and sizes with real colours and textures. This has become a crucial tool as it helps accurately represent every interior designer’s idea, including the furniture, decor, and materials to be used in the space. It also helps clients understand the features of the space, like lighting and texture, and how different elements will look once combined together.

Interior design renders act as an effective communication channel between designers and clients while facilitating the involvement of the clients throughout the creative process and giving them the avenue to provide feedback on what they want (or don’t want). The interior designer can also add or edit all the components in the interior space in real time. As a result, clients get to see the full picture from the start and have peace of mind in the final result of the interior project.

Why Should You Use 3D Rendering in Residential and Commercial Projects?

As we’ve mentioned earlier, detail and accuracy are two of the biggest advantages of using 3D rendering. Through this rendering process, designers can convey all the features of the interior space and design elements, like colour schemes, lighting effects, carpets, and even patterns. In a nutshell, clients get the full picture of the project, and all their desires are carefully considered and included in the image.

We’ve listed below some other benefits of 3D interior rendering:

Time and cost savings

3D interior rendering offers a more effective communication avenue between designers and clients. When clients receive realistic and detailed 3D interior renderings, they, along with the designer, can spot any inaccuracies or miscalculations in the floor plan and make changes on the spot.

Thus, clients and designers can approve the interior designs and proceed to start the construction work as soon as possible while minimising the risk of committing errors or redoing something in the future. This saves both clients and designers time and money.

Personal Customisation

The use of 3D modelling software has become a necessity for designers because it provides unlimited possibilities to customise all sorts of properties — may it be commercial or residential properties. Rendering software comes with 3D libraries and programs equipped with ready-to-use 3D models that enable designers to choose different materials, camera angles, shading, floors, and many other features.

Because of the flexibility of this design software, designers can easily customise and change design elements based on the preferences of the clients. This will help clients make their unique vision a reality.

Create Different Design Options

3D interior rendering lets designers create different design options for clients, as well as arrangement and lighting. For example, you want to see your interior space with natural light and then play with different textures and compare which one matches your mood boards better. With 3D interior rendering, all of that is possible.

It’s a Powerful Marketing and Sales Tool

Interior design renders are also maximised to create presentations to present an idea to clients and investors. By showing every micro detail of an interior design, interior design 3D rendering can help businesses draw attention, investment, and potential buyers and improve their marketing campaigns.

3D interior rendering doesn’t only impact marketing and sales; it can also be utilised for a wide variety of industrial and commercial interior projects. Designers can utilise ready-made 3D renders to highlight their design portfolios on any platform and advertise their brands on the market.

Ease of Collaboration

Because of 3D interior design renders, how designers collaborate with clients and other industry professionals has changed drastically. It has become a collaboration tool that enables designers, architects, contractors, and clients to seamlessly share, comment, and modify design styles and elements in real time.

Additionally, the digital nature of these renderings allows professionals to collaborate regardless of their geographical locations or time zones. Designers can engage with different clients in different locations without the need to spend time and money to travel or transport bulky models.

Whether you’re a designer who wants to work with a client overseas or a contractor in a different city, everyone can contribute to any design project. This results in a more comprehensive and cohesive design process.

Landscape and Environment Integration

One of the biggest benefits of 3D rendering is its ability to embed any structure within its intended environment. This holistic approach makes it easier for designers and clients to visualise the project within its surroundings, be it in a serene countryside or bustling urban landscape. With this feature, designers and clients can have a more comprehensive view of how the project blends or stands out from its environment, making sure that it complements rather than clashes.

This integration also extends to anticipating different external factors that may affect the design. For example, nearby structures might cast shadows on the project, or the growth of vegetation might prohibit the project from extending at some angles. This forethought helps designers have a complete understanding of various environmental interactions of the project, resulting in projects that are functionally sound and with breathtaking visuals.

6 Tips for Choosing the Right Interior Rendering Company

After going through the sections above, you probably already know the benefits and importance of 3D interior rendering to professionals in the architectural industry. In summary, a planned and well-executed 3D rendering can bring to life any vision for interior spaces and help professionals convey their ideas to clients and work together seamlessly.

But to experience all the features of 3D rendering software and its benefits, it’s important to work with the right interior rendering company. But with the number of companies offering this service today, how can you determine which one is the best?

In this section, we’ll list down all of the factors you should consider so that picking one becomes a breeze!

Company Reputation

Always look at the reputation of the company you’re eyeing to work with. A company with a strong and positive reputation is more likely to deliver high-quality 3D renderings and offer services that guarantee customer satisfaction.

Check the company’s portfolio and website, and spend time reading customer testimonials and reviews. Be on the lookout for reviews that specifically talk about the quality of their work, their ability to meet deadlines, and their level of professionalism. The more you know about the 3D rendering company and its reputation, the better.

Level of Experience

A company operating in the industry for years is not an assurance that it can provide the best 3D rendering services; you also have to look at its level of experience. Look for a company with years of experience in the type of project you want to complete, whether it’s commercial or residential, and whether it requires a specific design or style.

When you work with a company experienced with your interior project, they can easily understand your needs. Plus, their experience will help you minimise mistakes along the way and guarantee the success of the final result.

Quality of Work

The quality of the interior design company’s work is one of the most important factors to consider. Choose a company that can create photorealistic 3D interior renderings that accurately represent your design vision and design elements of the space.

Evaluate the company’s quality of work by looking into their sample projects and portfolio. Look for high-quality images with clear and crisp details, hyper-realistic lighting and textures, and accurate perspectives and proportions.

Turnaround Time

You don’t want to delay your project’s progress, so why work with a company with a longer-than-average turnaround time? Always partner with a company that can deliver your projects within the required timeframe without compromising the quality of their work.

Take the time to inquire about the company’s average turnaround time and factors that may impact the timeline, which usually includes the complexity of the project and the number of revisions required.


Pricing is always an important factor to think about when choosing an interior rendering company. Make sure that the company offers transparent pricing and provides a detailed breakdown of the costs associated with projects. Although time-consuming, prioritise comparing pricing with at least two other companies to ensure that you’ll end up getting the best deal.

Client Privacy

Seeing other people copy your work is heartbreaking. To ensure that this doesn’t happen, look for a company that has a good reputation for protecting their clients’ data and projects. Only work with a company that has a clear privacy policy and place. With this policy, your interior design renderings remain confidential, and your intellectual property is protected.

How 3D Lines Can Help

Enjoy the benefits of 3D rendering by working with an experienced interior rendering company like 3D Lines. Our team of creative 3D visualisation artists has set the standard of CGI production in the industry for years, which is why we’ve become the top choice of clients in and around Bedford Heights.

Aside from interior renderings, we also have years of experience in providing property marketing CGIs and architectural visualisation, product visualisation, interior visualisation, and virtual staging services.

We embrace a four-step process regardless of the project size and cost to guarantee all projects run smoothly and are delivered on time. Contact us today and learn how we can transform your ideas into high-quality models that accurately represent your preferred design styles, reference materials, and lighting effects.


3D interior rendering has become an essential element in the development of every interior design project. Because of this tool, professionals can offer detailed visualisation of interiors without requiring special knowledge and skills. It also helps overcome barriers and minimises issues between designers and clients and guarantees a smoother collaboration throughout the project duration.

By partnering with the right interior rendering company, like 3D Lines, professionals can easily transform how they present their ideas and interact with other stakeholders. After all, CGI displays projects with the accuracy of drawing and photographic realism, which allows professionals to effortlessly explain complex ideas and solutions to individuals with zero design background and experience.