I believe its impossible to make a tunnel with our terrain editor.
bricks are either too short, or too laggy.
It's impossible to make it with the terrain.
its called you make one simple 32x32 tunnel with a few bricks, lower duplicator limits to zero, duplicate it like hell all the way to the edge of the map...then you done!
Hey everyone, 64x64 bricks are too small now.
oh look! LAG!
Your computer is obviously a piece of stuff if it can't handle a few hundred cubes.
im not saying a few hundred, im saying a few hundred thousand at the least.