Walden is a 4 seat terrained woodie with a few characteristic GCI elements (mainly the double helix, shaping of the turnarounds) and a couple of my own fueled prospects.
first hill and turnaround (the turnaround holds some tight ejector air and slams straight into some intense lats):

this part is now for sure going to change. i'm going to raise the turnaround up:

testers are welcome; but i only want a couple. i'll PM you whenever i send it.