![3D blender blender3d caustics cycles glass reflection refraction visualization](https://mir-s3-cdn-cf.behance.net/project_modules/1400/543ae7134049019.61cc9be6f3d3e.jpg)
UltraViolet Shot Glasses – Blender 3.1 Alpha Caustics Experiments
For a long time we did not have caustics that looked anywhere *near* to real in Blender Cycles, that changed with patch D13533. In the last couple days I made some test renderings to see how it performs and how fast it is.
Lens Distortion done in Blender; Look & Grain in Lightroom; Vibrance in Photoshop.
Lens Distortion done in Blender; Look & Grain in Lightroom; Vibrance in Photoshop.
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Testing System
Mode: CUDA
Cycles Render Devices:
Cycles Render Devices:
NVIDIA GeForce RTX 3070
AMD Ryzen 9 3900X 12-Core Processor
![3D blender blender3d caustics cycles glass reflection refraction visualization](https://mir-s3-cdn-cf.behance.net/project_modules/1400/d7bc35134049019.61cc953253165.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/dcbbed134049019.61cc952ebed22.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/7d2e0d134049019.61cc952ebe666.jpg)
Resolution:
2160x2700
Sampling:
0.05 Noise Threshold
200 Max Samples
300 sec (main renders), 900 sec (caustics closeups) Time Limit
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/e3d47d134049019.61cc952f72a74.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/d46463134049019.61cc952f73269.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/f61405134049019.61cc952f713d7.jpg)
![3D blender blender3d caustics cycles glass reflection refraction visualization](https://mir-s3-cdn-cf.behance.net/project_modules/1400/4bf13b134049019.61cc953253a9c.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/3eccce134049019.61cc953003613.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/ae73a5134049019.61cc953002c72.jpg)
Above – right: 18mm camera inside the glass (literally in the material itself – physically impossible)
Below – left: 18mm camera right on the edge of the inside (probably also physically impossible, if the camera lens is not smaller than .5mm)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/cc0b49134049019.61cc9530b6221.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/f8ad67134049019.61cc9530b77ba.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/f9d7a7134049019.61cc9530b6ec4.jpg)
![3D blender blender3d caustics cycles glass reflection refraction visualization](https://mir-s3-cdn-cf.behance.net/project_modules/1400/1443cb134049019.61cc953254291.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/78bcdc134049019.61cc9531714b5.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/28c3ab134049019.61cc9531729f0.jpg)
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![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/591fea134049019.61cc95316ffd6.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/c0c752134049019.61cc953173863.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/87174e134049019.61cc953174cc7.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/2ff729134049019.61cc953173f2f.jpg)
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![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/aa5f47134049019.61cc953170f4f.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/3802af134049019.61cc9531745ba.jpg)
![](https://mir-s3-cdn-cf.behance.net/project_modules/1400/3942ec134049019.61cc953170943.jpg)
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