Exploring 3D interior design and rendering software.

Before you start an interior design project, you probably make sketches, assemble a mood board or use your favourite planning techniques. With the help of 3D interior design software, you can accurately visualise the entire project before you ever do any work on site.

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3D interior design rendering of a chair and staged environment.

How do interior designers use 3D interior design software?

Overall, 3D interior design software is a powerful tool that improves the effectiveness of the design process, helping interior designers create visually appealing and functional spaces while also improving collaboration and communication with clients, too. Here are four ways you could use 3D interior design in your next project.

1. 3D home design (3D virtual staging).

Homeowners, architects and interior designers can visualise a space before construction is complete using 3D software. With the help of engines like Unreal, it is possible to quickly block out a room or entire building, then apply models, materials and lights to the scene to prepare it for rendering. With the help of Substance 3D, adding props and materials is far less daunting.

2. 3D animated virtual walk-throughs.

Once a 3D model of a room or building is complete, it’s possible to allow viewers to do virtual walk-throughs of the scene. Typically, this is done using real-time rendering techniques and is facilitated through engines like Unreal and Unity or could even be completed in open-source tools like Blender. The benefits to virtual walkthroughs are plentiful. Clients and stakeholders love being able to visualise the future space in detail ahead of time.

3. 3D floor plans.

Another useful visual representation of an interior space is the 3D floor plan. Unlike traditional 2D floor plans, which are flat and lack depth, 3D adds additional detail and perspective that is otherwise missed. This added realism assists in creativity, collaboration and project approval. They are also excellent tools in real estate marketing.

4. Communicating with clients.

No matter what interior project you are working on, providing some form of 3D visuals ahead of the project is a great way to get feedback from clients, as well as get final approval to start. Due to the realism and detail possible through 3D visualisation, you and your client can work with confidence in the results of any project. The key to 3D interior design and rendering is realism and immersion that your clients will appreciate greatly.

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Desk, notebook, and pen 3D interior design rendering.

Image by Louse Melin.

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How do you create 3D interior design renders?

Let’s talk about how to create your first 3D rendering for interior design. 3D can be daunting for beginners, but Substance 3D offers many tools that can help you ease into the task.

Step 1: Sketch your design idea.

Once you know what you want to create, it can be useful to sketch it out. When you assemble the room or structure in a 3D software, you’ll want to know measurements of important features in the room such as wall height and width, so that you can build it in 3D to scale. This is easy if you already have a 2D blueprint available.

Step 2: Begin 3D modelling.

Now that you know what you need to model, it’s time to block out the room or building using the proper scale. Most common 3D modelling software makes this easier than you might think. To block out your room, add primitive shapes into the scene such as planes. Use your software of choice’s snapping feature if it has one, to enable the planes join perfectly. When using this method, keep in mind that most 3D models can only be seen from one side by default.

Step 3: Add details.

Once you’ve assembled the room, it’s time to add materials and lights. This is one of the most enjoyable and challenging parts of the process. Materials are pre-created textures that can be applied to any 3D object you want. As you apply them your basic shapes will immediately start looking like their real-world counterparts. Substance 3D offers a few solutions to help you to create and apply gorgeous materials to your models.

Substance 3D Sampler: This app allows you to use photogrammetry to create detailed materials. Using a picture, you can automatically generate a seamless material.
Substance 3D Painter: Painter is the industry-leader in 3D texture painting. You can open your 3D models directly inside Painter, then use parametric brushes and smart materials to create textures right on the surface of your model.

Step 4: Stage the interior design with help from the Substance 3D Assets library.

It wouldn’t be a true interior design without showcasing furniture, wall art and room and more. While handling these items may seem daunting at first, there are plenty of resources to help you to get started. As a part of Substance 3D, users get access to a massive collection of assets in the Substance 3D assets library, including professionally designed 3D models ready to texture and place in your scene.

Step 5: Render your 3D interior design scene.

Once you’ve completed your design, the final stage is rendering. In 3D, rendering is how you create a final image or animation of your scene. If you’d like to learn how to set up lights and cameras for rendering in Substance 3D Stager, we teach you all the basics in this video.

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What are the 4 types of architectural rendering?

Architectural rendering is a process of creating visual representations of architectural designs. There are several types of architectural rendering, each serving a different purpose and offering a unique visual style:

1. Photorealistic rendering aims to create images that closely resemble real-life photographs.

2. Conceptual or Sketch Rendering focuses on conveying the initial design ideas and concepts. These renderings have a more artistic and sketch-like appearance, emphasising the essence of the design rather than intricate details.

3. Artistic rendering or watercolour rendering mimics traditional painting techniques, often using soft colours and loose brushwork to create a hand-painted and artistic look. This type of rendering is used to evoke a sense of style, mood and ambiance.

4. Virtual reality (VR) and augmented reality (AR) rendering allows users to immerse themselves in a virtual or augmented environment. VR renders create fully immersive 3D experiences.

What are the benefits of 3D interior design software?

3D interior design software offers a wide range of benefits for both designers and clients. Finding success in any type of 3D design is often tied with your knowledge and the specific capabilities of your software of choice. There are a lot of considerations to make when selecting software, including specific features, user-friendliness, compatibility, rendering quality, library resources and pricing.

Some popular 3D interior design software includes:

Autodesk 3ds Max: Widely used in the architectural and design industries, 3ds Max offers powerful 3D modelling, rendering and animation capabilities. It’s known for being flexible and versatile.

SketchUp: SketchUp is user-friendly and known for ease of use. It’s popular for quick conceptualisation and 3D modelling.

Blender: Blender is a free, open-source 3D software that is both powerful and versatile. While it has a steep learning curve, it offers a wide range of capabilities for modelling, rendering and animation.

Sweet Home 3D: This is another free, open-source software made specifically for interior designers. It has a user-friendly interface that focuses on home interior design and decorating, making it a good option for beginners.

Create realistic 3D interior design models with Adobe.

If you’re looking for a powerful, yet affordable solution for 3D interior design, Adobe Substance 3D offers everything you need to model, texture and render realistic scenes with the added support of an extensive asset library full of models, materials and lights which will give your projects the professional polish you and your clients expect.

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