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Floor button with adjustable timer (original v1.0)

NEW VERSION: I replaced the Piston Elevator with a more reliable Tractor Beam for the timer mechanism and fixed some puzzle exploits
http://steamcommunity.com/sharedfiles/filedetails/?id=70604593

This is a simple example of a mechanical method for connecting floor buttons to a timer (and any other output) with the in-game editor.

The puzzle only really serves as an illustration for a potential use but it is solvable without much difficulty.

The timer starts at a button press of any duration but if you were to keep it pressed the timer would simply continue to count and reset on button release, this accounts for added complexity in the circuit, with other input methods the elevator would knock the reflective cube out off place, this prevents that from happening even though it's not a risk here. The button on the wall really only can deliver a single pulse thanks to gravity. You can adjust the timer duration by changing the elevators height and serial chaining multiple elevators together.