Need to flip a build

[Headcrab Zombie]

It uses a click and drag method iirc. You select stuff ingame the way you would select many icons on your computer

Planted bricks can't be moved by any means.
You can move the collision box but the rendered brick still stays fixed

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[Gen. Hothauser]

Planted bricks can't be moved by any means.
You can move the collision box but the rendered brick still stays fixed

So that's what that thing was.

I gave up a while ago and rebuilt it, flipped.  Sorry I forgot to lock the topic.