Current Pickup and Spring Generator for Gauge G (IIm) and Gauge 1

Current Pickup and Spring Generator for Model Trains Gauge G (IIm) and Gauge 1.

Naturally you can use the spring generator not only for model trains...

Version 2 released (2018/02/05).
Enhancements for mounting options.

Version 2.1 released (2018/02/15).
In CurrentPickup.scad more design options.
In StackedBladesSpring.scad much more mounting options.
Most advantage: Size reduction of the spring box.

Version 3 released (2018/03/05).
Central mounting of the spring possible. Much