That's a rather elegant design, John.? Perhaps I should have checked Thingiverse before I made my version.?

Mine was only ever going to be a temporary item though.? The finished version will be soldered directly to the pads on the pcb.? I wanted to hold back on the soldering until I had a reasonable idea it was viable, leaving me with a working, unmolested caliper if it wasn't.?

On mine the contact strips were taken from some spare USB sockets and are only 0.8mm wide ... very fiddly work.? They were initially held in place by melting plastic tabs over the top of them, however, I made the stupid mistake of not soldering the wires to the contacts before before melting the plastic which resulted in the misaligned pins and application of hot glue you see in the photo.?

Live and learn I guess!??