Yeah I did this about 3 years back using thermally conducting filament, the goal is exactly that - maximize surface area while maximizing float through the mani

Yeah I did this about 3 years back using thermally conducting filament, the goal is exactly that - maximize surface area while maximizing float through the manifold. It’s actually stupidly easy to do these days with cura. Make your heat sink shape, say a cube, and slice it with zero wall thickness and gyroid infill. Then attach to a copper plate, and add a fan to the top. The problem is materials. Most people don’t have the ability to print in copper or aluminum. The thermally conducive filaments are absurdly expensive (like $120/kg) and the conductivity isn’t that great, so you can generally do better with a fin based thing in copper or aluminum. I think it would be possible to make a filament with aligned graphene in the filament that does really well, but I’m not that hard core. Another idea I have is building these out of graphene aligned in a super critical bath of silver. But that requires some serious equipment for the pressures and temperatures.