Portal 2 PeTI - "Obstruction" by Fumbly Bumbly
Channel: LB
Date: 2018-08-02

https://steamcommunity.com/sharedfiles/filedetails/?id=1422094972
Blind playthrough. Fantastic puzzle for this difficulty rating.

This video is also on Twitch: https://www.twitch.tv/videos/292169075