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Three's a Crowd

I'll say that solution works just fine. You atleast used the whole contraption and didn't skip any parts of the contraption.

Here's how I solved it:

https://www.youtube.com/watch?v=e7M0Ipcwwx4

I had a spare jack-in-the-box and belt but I think the solution is still relatively the same, just optimized.

Hey, since I playtested some of your puzzles, I have two puzzles that I want to see how people solve it. It's kind of ingrained into me to have only one solution because I make Portal 2 maps but I am curious to see how people solve my Contraption Maker puzzles just to see if they are worth updating. I have a bit of experience making puzzles from the Incredible Machine days:

http://www.steamcommunity.com/sharedfiles/filedetails?id=671853991
http://www.steamcommunity.com/sharedfiles/filedetails?id=824220358

Just a tad diffirent is just fine. If you used every part in the parts bin or haven't skipped a certain part of the level with an exploit it's all good.

GREAT LEVEL! Well-done. Mind you, my method of completing it was a tad different than yours.