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Photogrammetry is the leading technique in modeling organic and natural items. It gives the ability to capture great quality textures and all details and imperfections of the surface. It's the perfect method to create photorealistic 3d models of forest elements, food, boulders, leaves, etc. We adapted this technique a few years ago to create Evermotion collections. Here you can have a sneak peek at our workflow process.
At first, we need to gather our models and bring them to our studio. We make photos in controlled conditions, with studio lighting. We capture 120 images and roate the objects. We have one image for every 3 degrees.
Then, images go into Agisoft Photoscan, where they are aligned. Agisoft Photoscan builds point cloud and dense mesh. The next step is exporting this mesh to ZBrush, because we need to fix it, optimise it and retopologise. It is the most laborious part of this process.
When we have our optimised mesh, we import it to Agisoft again to bake the texture from high-poly scan to optimised model. Then, we create the rest of textures that are needed to recreate the object in its glory. We bake all maps and import optimised mesh and all textures to 3ds Max. We assemble V-Ray material and make a test renders. Our model is ready, 50 more to go and we will have collection!
This method was used to create:
3D-scanned forest elements:
3D-scanned trees (bark):
3D scanned rubble and scrap:
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