I know this is an older thread, but I thought it was interesting. Shirtandtieler clearly put a bit of time/energy into working with this design & I thought I might mess around with it a bit myself. Unfortunately, I can't seem to replicate the reported results for the life of me, tried more than a dozen different runs and this is pretty representative of what I get:
a floppy monstrosity that inevitably capsizes or pitches forward onto its side. Perhaps I've missed something with the layout?