I take no credit for the design - I am simply posting the information for others to share.
Note that the drill pivots slightly as it lowers, but this should not be a problem for thin material (such as PCB's).
And a big thank you to Ken for the original idea
Step 1: Gather Materials
- back support
- two arms
- front piece
- four hinges
The wood I chose was from an Ikea shelf system, approx 18mm (3/4") thick, and 90mm (3 1/2") wide. I had several candidates for the wood, but chose this because it was slightly wider than the hinges, and also sturdy.
I guessed the sizes, making the base longer than the arms. Approximate sizes are:
base - 450mm (18")
back - 270mm (10 1/2")
arms - 310mm (12")
front - 90mm (3 1/2")
Step 2: Basic Frame
Simply connect the hinges to create the frame in the images.
Be careful to ensure there is a gap where the arms & back meet to ensure the arms can move freely.
Step 3: Mount Drill
Nicely finished off with some garden wire to hold the drill.
The drill does wobble because of the way the plastic clip works. Some glue should see to that.
Step 4: Next Steps
I did find shadows made locating the drill points difficult, which was easily overcome by adding a reading lamp to the base.
I would like to adapt the press to support a foot switch to allow two handed operation of the material.
Overall, a big success. All the parts came from salvage in my garage, and I still have the original drill bit in one piece!