Worn Nagra D II Audio Recorder, a small project created under the Marmoset Toolbag 4 Alpha/Beta. Utilizing Toolbag 4 raytracing feature set. The project was featured in the Toolbag 4 launch trailer and the Learn Toolbag 4 series:
https://www.youtube.com/watch?v=LRdWAtHqPIU&ab_channel=Marmoset
https://vimeo.com/showcase/7674310/video/478240834
Head over to https://marmoset.co/ for more info on TB4