Here’s my build thread. How to build a half section for Metallic ladder and other stuff about what you're doing with a rained out day. :D - #25 by Infinity
It’s a little discombobulated and stream of consciousness, but it should get you on the right track. Unfortunately I haven’t got the time to make one right now, and Chris’ comments about liability have sort of discouraged me from this endeavor, as well. Let me know if you need any help with the project, though.
And I’ll mention it here again: this is a definite “at your own risk” project. I’m not advising anyone to try this at home 
