Idle hands do the work of the Devil.

Looks great.
Seeing the finished product I hope you never hit anything.
I think your friends down stairs might be compromised with gusset on the down tube of the trike.
My grandparents bought me a new 1981 Yamaha Tri-Moto 125 when I was a kid, I have plenty of scars and two fake front teeth from the evil machine.
Be safe.....