Ingenious LEGO builders are always creating amazingly complex machines to do cool tasks — just check out this automated Christmas cookie decorating machine! Braiding rope is a fairly straightforward task for a human, but it’s complex for a machine because it requires strands to be passed underneath each other. It’s mesmerizing to watch Nico71‘s braiding machine pass three of the shuttles back and forth between the rotating spindles to interweave the 5 strands.