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Increasing IoR on opaque materials often makes the material appear harder by increasing contrast between specular highlights and diffuse color. Index of Refraction (IoR)Ī number that indicates how much slower light transmits through a transparent material than through a vacuum. The color of mirror-like (non-diffused) reflections.
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Here’s a few things you should be familiar with. By understanding the basics of light and a few material properties, you can go from shooting in the dark to composing materials like John Williams composed orchestral masterpieces. Material science isn’t just for engineers. If you’re chasing hyper-realism, it’s best to use a completely different model for visualization purposes where you can create these details that you would never want to add to a production model. While CAD programs are used to create perfect engineering data for manufacturing, many of the items above are the undesirable realities of imperfect manufacturing processes. Here’s a rather unsightly label, but many new products have labels showing barcodes, ingredients, warnings, and compliance. If you’ll be doing some close-up macro shots of the product that will focus on an embossed or debossed logo or decoration, you’re best-off modeling that sucker right into the part. Don’t forget your fillets and make sure they’re the right size. Fillets are crucial because they reflect light and thus, help describe the shape of the product. Even if on a microscopic scale, fillets are everywhere. There is no such thing as a perfect transition between two faces of a part. FilletsĪ fillet (no, not a thin slice of meat), is a the surface between two faces of a part. This can happen when molded plastics cool at different rates. Adding sink marks add an insane level of detail to a 3D model. Thick areas often lead to a visible ‘sink’ mark where the surface dips slightly from a slower rate of cooling. Plastics cool at different rates depending on how thick the part is when it is removed from a mold. Having slight inconsistencies in tolerances, angles, rotation, placement and thickness (even if just barely noticeable) will bring your 3D model to life. Include this in your rendering for more realism. Sometimes this seam is less than perfect. Part lines mark where each half of a mold meets. Having visible mold lines can make your product look very real. More expensive products may not have visible mold lines if an additional process is used to remove them. Die, Mold or Part LinesĪnything created using a die or form will have part lines when it comes out of the mold. This candle holder shows that there are some limits in this manufacturing process resulting in a slightly inconsistent shaping. Our tools have limits and are imperfect in the real-world, so if we can capture those limits or imperfections in our 3D models, they’ll look like actual, man-made products. Realistic tolerances and inconsistencies will make for a more convincing rendering. Use accurate tolerances for best results. The distance between parts (especially moving parts) are called tolerances. In the real-world, multi-part products have small space between each piece in the assembly. This ensures textures, light and depth of field will behave more naturally down the road. Your model should be built to real-world scale. Adding these details to a model will set you down the right path for a photo-real image. The more detail the model contains, the more realistic the rendering is likely to be in the end. If you’re the creator of your 3D data, you’re in luck! You can ad as little or as much detail as you’d like.
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It all starts with a set of 3D data, or a model.
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Also, since we’ve gotten so used to seeing our world through photography, many techniques here will be focused on reproducing traits of photographs.
BRIGHTER 3D RENDERING SOFTWARE
While buttons, tools and technologies may differ slightly, each technique outlined below should be possible within your software of choice. The strategies in this article can be applied regardless of the software. While each 3D rendering software is unique, they all share many similarities.
BRIGHTER 3D RENDERING HOW TO
This article is the ultimate guide on how to make your product renderings more realistic. Creating beautiful, imagery that elicits an emotional response plays a big role in successful product launches and advertising campaigns. CGI allows us to create renderings and animations that make hair stand up and heart rates increase. Designers use rendering software to create photo-real CGI to gain support for a concept far before physical prototypes are available. By Will Gibbons | Last Updated: April 8, 2019Īs technology advances, we’re armed with the tools to create stunningly-realistic computer-generated imagery (CGI) while being un-bound by the laws of physics, budgets, or cameras.