The’re quite a few knowledgeable people in the synth DIY community. Some of them even share their secrets by putting them out on the internet for free. These resources are invaluable gems for newcomers and veterans alike.
Synth DIY Resources
Designing and manufacturing your own printed circuit board (PCB) can be quite satisfying. Luckily it can be done cheaply these days. The list below has some of the cheapest manufacturing houses out there.