I find the companion cube, but it is impossible to keep it out...the blue gel is useless too.
BTW it's a good map except for these 2 particular ;)
If you want to try my map, here's the link, it's a little hard! ;)
http://gtm.steamproxy.vip/sharedfiles/filedetails/?id=77292983

Never needed repulsion gel. Why was it there?

Portal is a game 4 noobs

Spent 5 minutes trying to pull out the companion cube with the orange funnel before giving up. There was quite a lots of walking around in dark corridors which I didn't enjoy too much. With that said, the map is enjoyable enough as it is, so thanks for mapping.

Huge map that requires a lot of running around which is not particularly fun for me.

Didn't like the "Get the timing right or die" paradigm used for the sphere puzzle. This would be very difficult to solve if you're playing with a controller.

I don't know why the gel dropper and the eventually-revealed cube behind it were there. I didn't need either of them to complete the map.

Also didn't need the portal surface over the faith plate which was exposed by one of the two cube sockets . I was able to reach the faith plate by flinging from the turret room and yo-yoing between the two rooms before I discovered the intended solution.

Not a bad map, but not a great one, either. It needs some work to prevent exploits that allow the player to complete the map without solving all of the puzzles.

I gave this map a thumbs up, but it's a marginal one.

I dropped into the basin. Nicely done