String "Climbing" Christmas Tree
cults3d
Climbing Christmas Tree is another string climber based on the dual spool design of this thing: http://www.thingiverse.com/thing:1825987. It appears to climb the string without actually doing so. Consisting of 9 unique parts (11 total), and only requiring embroidery floss, once assembled Climbing Christmas Tree showcases the "String Climbing Mechanism" that powers these classic toys, some over 100 years old. A video of the prototype is available here: https://www.youtube.com/watch?v=n-LyBzluu74. My wife added a touch of sparkle to this design. I designed Climbing Christmas Tree using Sketchup Make 2016, sliced it with Cura, and printed it in PLA on an Ultimaker 2 Extended.
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