Since the site is down, here's a random project idea instead, loosely based on the submission title: I would be awesome to have a high fidelity, perhaps even r

Since the site is down, here's a random project idea instead, loosely based on the submission title: I would be awesome to have a high fidelity, perhaps even ray-traced visual LED simulator showing the light diffusion patterns of some classic LEDs and 7-segment LED displays. Kinda like the popular CRT emulation shaders...