[MayeulC]

If you are comfortable prototyping on a breadboard it shouldn't take long to produce the layout in KiCAD or a similar EDA tool.

Then you can order your PCB at a local shop, manufacture it yourself (with toner transfer, a CNC at a hackerspace, etc) provided the traces aren't too thin and there are not too many layers (1 is easy, 2 is standard and cheap, more layers are expensive), or order it from china at a relatively low price (jlpcb or seedstudio will average something like $1/apiece).