[dsign]

Cool! But the wires!

I'm not a fan of breadboards, they tend to be unreliable even for trivial circuits. We need something more affordable and practical for home PCBs[^1]. Why is it that nobody has invented a tin 3D printer, or at least a 2D version of it, i.e. a tin plotter?

[^1]: I'm discouraged from home-etching by the chemicals and the dark-room part of the process.

[coderjames]

For the 2D version, you might not need very much custom. Use a regular pen plotter and use a pen with conductive ink. These both exist today, though personally as a hobbyist PCB designer, I can get 2-layer and 4-layer boards cheap enough from JLCPCB or Oshpark or PCB Unlimited that I don't bother trying to make them myself.

[asdefghyk]

One maybe unrecognized problem, of breadboards is not so good for high speed digital circuits due to capacitance

[vhab]

Bad Obsession Motorsport actually went this route, you can see their custom printer on their youtube[1] channel

[1]: https://www.youtube.com/watch?v=FzrZoVKT8gM

[asdefghyk]

wirewrap circuit construction would be more reliable. However high speed (if needed ) could be a problem ? from crosstalk.

[ZiiS]

For $2,500 the Carvera Air makes very nice 2 sided pcbs with solder mask. Though even in raw materials it is hard to match a finished board from China if you can wait a couple of months.

[wolvoleo]

In my experience it's a couple of weeks, not months from China.