scenes/renderer-test/credits.txt
Glass texture - Bryan Brown - https://skirmish.io/posts/688-seamless-stained-glass-texture/order/popular/author/530
Wood & Metal texture - textures.com - https://www.textures.com/download/pbr0267/133941
Environment map - Greg Zaal - https://hdrihaven.com/hdri/?h=leadenhall_market