If you are a Hackaday reader, you probably know what a Fresnel lens is. You find them in everything from overhead projectors to VR headsets. While it seems commonplace now, the Fresnel lens was an ...

Making a glass Fresnel lens with its concentric rings requires even more work, but as the ever-resourceful [Robert Murray-Smith] shows us, a Fresnel lens can be made from far more mundane materials.

To make our jelly just right, we’ll need the following nodes: Fresnel, Voronoi Texture, Color Ramp, Normal Map, Translucent and Add Shader, with the default Principled BSDF too. Start with the ...