thanks guys! I was really worried about the light in the center. I didn't realize until after the rendering that the light blended in, and I didn't have enough time to do much lighting (notice there's no shadows). Maybe I'm just a pessimist :-). If you look at the strings you'll see that the are attached to the drums when used, but not attached when not in use. At the end, the reason why 2 strings didn't come down was because the drums they attached to were being used.
Thanks again, I'll remember your suggestions when I do my next video

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Technically, if you placed a black hole on your robot with enough mass so that your robot is entirely within the event horizon, size constraints will no longer be a problem!
Is that smoke coming from from the victors or servos?!!!
:if only we had an electric beaver!"
you know you play online games too much when your teachers ask why you type "T" before every sentence.