Dave - VA3CP
Dave, Licensed in 1979 and active on CW, SSB and digital modes for most of the time except for 10 years leading up to 2014. Dave enjoys chasing Parks On The Air as well as activating parks in the field. Other interests are model railroading where Dave models the Denver & Rio Grande Western narrow gauge railroad in 1/48th scale.(see profile picture background) Dave is also a railfan and photographer primarily of railroads although he has done a few weddings.
A friend of mine printed the parts up for me using the finest print setting. The ones you see on thingiverse.com/ are printed on a coarser setting. The contacts are just standard plated machine screws that ground to a machine screw post. You would almost wonder how it works but it does.