Mastering 3D Interior Rendering optimization with BIM Tools

Interior design rendering represents the process of creating digital images that describe how an interior space will look after its construction and furnishing.

How to enhance the project with 3D interior rendering?

The use of BIM software undoubtedly represents an advantage in 3D interior rendering for both the designer and the client. Thanks to Real Time Rendering technology, the designer can verify in real time the validity of their design choices and can compare their ideas with the client to provide a precise vision of volumes and spaces.

The client can intervene, propose changes, and actively participate in the design process.

The advantages of rendering are numerous:

• less misunderstanding regarding design choices;
• time savings;
• greater information sharing;
• a more accurate and consistent control of the project.

To meet the needs of the client and the designer, BIM software continuously implements new features capable of improving and speeding up the entire design process.

For interior design rendering, it is always important to choose the most suitable type of software; for example, there are BIM software solutions that allow, with just a few simple clicks, to obtain photorealistic interior renderings with advanced functions, such as artificial intelligence, for image optimization.

Understanding the importance of interior rendering in modern design

Designers always strive to create spaces that not only function well but are also comfortable for those who will use them. As projects and interior design become more complex, it is essential to have the right tools to clearly showcase these ideas.

Ceiling project | Render created with Edificius

Here’s why 3D rendering is becoming important. It is succeeding because it is more powerful than any other design technique in the current market:

• it is very convenient, cost-effective, and immersive;
• it makes the production and sales process much simpler and more competitive;
• it is extremely customizable, making it suitable for various use cases;
• it ensures smooth communication among stakeholders.

It is therefore understood that the creation of 3D renderings is essential for the success of a project.

If we take interior design as an example, with a rendering you can highlight the materials, furnishings, floors, finishes, such as colors, textures, shading, perspectives, angles of view, and other details that make your design idea stand out.

With the right digital tools, it is possible to generate photorealistic renderings that are virtually indistinguishable from photographs of real spaces, and this revolutionizes the way to design and present projects.

How to design a false ceiling | Rendering created with Edificius

Customization of 3D Interior Renderings: Tips and Tricks for Realistic Results

To stay one step ahead of your competitors in the 3D visualization industry and to master the right 3D rendering skills to achieve high-quality and photorealistic renderings, I recommend taking a look at these useful tips that will help you improve your skills and productivity, saving time and effort:

1. Focus on Lighting: Lighting is crucial if you want to create realistic interior renderings: color temperatures, intensity, shapes, and positions are important tricks to achieve proper lighting techniques. Don’t forget about shadows, which are very important for achieving high levels of photorealism and adding a contrast effect to the created image.
2. Use Realistic Textures: To add realism to your 3D renderings, it is advisable to include all the information related to materials, surfaces, textures, and colors in the model, in order to achieve a result as close to reality as possible. This way, you can obtain more realistic and visually appealing renderings.
3. Choose the Right Angles: Create the right images with the appropriate angles to capture and showcase the right features of the spaces. Position the camera to provide clients with an optimal viewing angle of your visualization images; this will positively impact the final product. To make your renderings exceptional, always test every feature from different angles, focal lengths, and lighting effects.

Leveraging BIM Software Features for Superior Quality Interior Renderings

The demand for qualified interior designers is on the rise, highlighting the increased need for creativity, technical expertise, and proper use of technologies.

The BIM, which offers various advantages to AEC professionals throughout the lifecycle of a project, plays a fundamental role in revolutionizing interior design.

With a holistic and collaborative platform throughout the design and construction lifecycle, BIM enhances efficiency, accuracy, and sustainability in interior design projects, from conceptualization to post-construction management.

The creation of innovative and quality spaces is also facilitated by the integration of BIM with virtual reality (VR) and augmented reality (AR). These technologies elevate the immersive experience of renderings to a higher level, allowing clients to “walk” through their spaces in a virtual environment.

If clients can explore their future homes in real-time, interacting with the design elements around them, they will see how furniture fits, how rooms flow into one another, and make changes in real-time.

Common Challenges in Interior Rendering and How to Overcome Them

Rendering interior spaces is a very important tool for professionals, but there are still some common challenges to overcome to achieve truly realistic results. Let’s look at the main challenges to improve 3D interior rendering.

The first challenge is undoubtedly the ability to create an environment that feels lived in: a bare room with only walls, doors, and windows will not impress anyone; it is boring and unnatural.

A designer must bring renderings to life by adding common and everyday objects scattered around, such as books, plants, and cushions, which will give a human touch to your representations.

Very important is the representation of reflective objects, such as glass and mirrors. It is very difficult to represent how they reflect light, and often it is from these materials that one realizes whether it is a rendering or a photo. To make these surfaces realistic, it is important to keep their imperfections alive and visible.

Another common challenge is certainly the insertion of human figures in architectural renderings.

When representing them, it is important to make them fit into the context: they must be the right size and wear clothing appropriate to the season being represented; this way, the view will be realistic.

Let’s not forget that creating a rendering can also take a lot of time, especially if developed with very high graphic and visualization features; relying on innovative and fast software is definitely the solution to speed up your workflow.

Integration of Lighting and Textures in BIM for Enhanced Interior Visualizations

To improve 3D interior rendering and produce realistic interior design renderings, it is necessary to focus on lighting and textures and thus on the relationships that are created between materials and the light that illuminates them.

To do this, it is necessary to rely on modern and innovative software, integrated with tools and interior rendering tools based on technologies such as Path Tracing.

Path Tracing is a method used in computer graphics for physically accurate global illumination. It is an advanced variant of Ray Tracing, which was based on tracking light rays along their path and the ways they interact with surrounding objects.

Path Tracing takes into account not only direct light rays but also indirect ones: in addition to direct reflections and refractions, multiple interactions of light rays within the scene are also considered.

This way, it is possible to obtain 3D scene renderings that are much more true to reality, because a ray can be reflected by an object and then refracted through a transparent material before reaching the observer’s eye.

Try for free the potential of a software that allows you to render in real-time all the objects inserted in the scene, with realistic materials, lights, shadows, and reflections.

Step-by-Step Guide to Optimizing Interior Renderings Using BIM Software

Every architectural design software has more or less advanced functions for optimizing and customizing interior renderings.

With Edificius, generating quality images in reduced time is possible even without advanced skills, thanks to the integration with Artificial Intelligence. Starting from the 3D BIM model, let’s see how to achieve this result in a few simple steps. Here’s how to improve 3D interior rendering with the BIM design software.

From the Levels view, let’s position ourselves on the plan from which we want to start setting up the scene to render.
From the entities menu, select the “Camera” object.
With a first mouse click, choose the point where we want to position the camera, and with a second click, define the direction of the shot (we can quickly set the position and orientation of the scene’s viewpoint).
Alternatively, add a new Perspective from 3D Views. We can move freely in the model to position the viewpoint and fix the scene to render.
When we are satisfied with the framing, we set the background, date, and time of day to determine the lighting conditions that best enhance the project.
When we are ready to proceed, click on the blue sphere to start the render.

We can still move the camera and redefine the perspective and intervene on the settings to determine the Scene Settings and Lighting.

Click on Start Rendering, wait a few minutes, and the image will be ready. Even during processing, we can intervene in real-time on the settings, adjusting:

• exposure;
• luminance;
• saturation;
• lights;
• shadows;
• bloom effect;
• etc.

Additionally, there is the possibility to generate a preview of the render to quickly detect any imperfections and make further corrections.
In just a few minutes, we obtain a high-quality photorealistic render.

Render made with Edificius

Case Studies: Successful Interior Renderings Achieved with BIM Tools

The adoption of BIM in architectural projects not only helps to improve 3D interior rendering, and consequently, the efficiency and accuracy of design, but also enhances the management processes of all phases of the project lifecycle. Below are some successful examples where the use of BIM has revolutionized interior visualization, facilitating decision-making and improving communication among the professionals involved:

• Ikeda Architecture, led by architect Yoichiro Ikeda, used BIM software to design the renovation of one of the largest stationery stores in Japan, “Itoya”. The firm applied BIM from the early planning stages, allowing for advanced floor plans with furnishings that were entirely modeled in the BIM environment from the start. Working in 3D made all the furnishings visible in the space, which allowed for easier organization, generating rendered views that were functional for clients.
• The Shard is an iconic skyscraper in London, the tallest in the city, designed by Renzo Piano. The construction of The Shard required impeccable coordination among architects, engineers, and contractors, which is why BIM was seamlessly integrated into the planning, design, and construction phases. The excellent communication among the parties made it possible to disseminate the right skills of each discipline, contributing to the innovative design of the exterior and the well-designed interior spaces, as well as the structural integrity of the skyscraper.
• The tallest building in the world, the Burj Khalifa in Dubai, features intricate interior designs, which is why it heavily relied on BIM to manage the complexity of its interior spaces. Polished dark stones, stainless steel, silver floors, handmade carpets, and Venetian plaster walls were all best balanced with various rendering trials;
• Designed by the famous architect Moshe Safdie, Marina Bay Sands in Singapore adopted innovative 3D modeling technologies, pushing the limits of current software and systems. BIM allowed for a significant reduction in modeling time, better coordination of documents, rapid assessment of concepts, optimized designs, visualization of complex technical issues, and improved communication with the client. The cutting-edge visualization technology also helped communicate the designs, supporting the client in their design decisions and for a quick project assessment.
• BIM was also crucial in the realization of One World Trade Center, the main building of the redeveloped World Trade Center complex in New York City. It simplified project visualization, with views and renderings, making it possible to clearly communicate complex design concepts and decisions among the various teams of architects, engineers, contractors, and stakeholders involved.