Uploaded August 2012 | Updated September 2026, 1 hour ago
how to make external timers with funnels and weighted buttons. this way you can also time doors to close without buttons to be pressed, thus make bhop challenges for examples. steve vai - building the curch
how to make external timers with funnels and weighted buttons. this way you can also time doors to close without buttons to be pressed, thus make bhop challenges for examples. steve vai - building the curch
![Portal 2 - sp_a2_laser_over_goo [not sure if possible...]](https://i.ytimg.com/vi/n4LicajIsWM/mqdefault.jpg "Portal 2 - sp_a2_laser_over_goo [not sure if possible...]
This looks like it could save a few seconds as you dont have to wait for the platform to arrive.. Too hard though")
