This is called a PF (Press-Forward) track; A.K.A. people have way too much free time

[AFurryReptile]

https://www.youtube.com/watch?v=FPMOPgTnOFY&index=7&list=PLgvQtzmBDy8xisVR0mN8Mcm9jMpToqJvD

 

[BoberFett]

Kinda neat actually, just letting the physics engine do it's thing in a complex enclosed area like that, not hitting existing set pieces, etc. Definitely takes some time and patience.

 

[PrincessFrosty]

People have too much free time to do impressive things they love, quick, call the "free time" police!

 

[Harabec]

That is really cool.

 

[Snock514]

It's just like line rider but 3d! cool vid op