Check out this great project from Adam Cohen at the Milwaukee Makerspace. He sent the message:”I have a custom board using an ATTINY85 that is going into small/medium production. I wanted to build a programmer/tester that mates with my target board. This is the result.”
From the project description:
I gotta say I’m pretty proud of my design for a custom programmer shield. The images below show the Arduino, programmer shield, and a target board (ATTINY85). I made the boards using the laser cutter method (which you can find videos of on this site somehow). The target boards slip right into the header pins I bent up for the purpose. Makes a really handy programming and testing jig!