Hard and short-medium in length. Part of a series of unrelated testchambers named after Ancient Greek philosophers and scientists.

Click here to download Thales

Click here to download Thales

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Cheers, wasn't too fiddly for a flinging chamber, but nice and open, and took me a while to figure out the last step

I agree with sickle, this was a nice little puzzle. I never used the angled panels above the entrance for anything. Was this just a red herring? Lots of other panels seemed to be as well.

I just used those as a safe area to store the ball .. but it's nice having lots of white bits

Yeah, its just hard to know if it was just a bit of misdirection or I solved it in some unintended way. I sure lost a lot of spheres trying to find ways to break this map.

How did you get to the button to drop the ball without the angled panels?

Portal panels in left far corner and one in funnel. Go through funnel and strafe out of the funnel onto platform with button.

Huh. Didn't think you'd make that. Well you are supposed to Use the middle portal pannel on the floor to gain height to fling from the angled plates.