Thingiverse
Egg balance puzzle
von Scofferoff
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Can you balance this egg?
Requires a 10mm Heavy Ball bearing (9 - 12mm should work)
Print both shell Domes flat side down (concentric supports work best) and glue in the puzzle_body. Add the BB and glue the halves together.
The transition from outside to the middle is not smooth, the ball can easily "jump" the centre. You'll see that if you test it before putting the top on. *Please comment if you think this needs a tweak.*
Find a way to forget how you built it and have fun!
**UPDATES:**
**ADDED A SPIRAL PUZZLE** - you may need to tune the top half's centre post so it doesn't obstruct the centre hole.
Changed the bottom shell half to aid assembly
Small puzzle_body tweak
**Added a Super easy version** This should catch the ball as it hits the centre rather than over shooting, probably better for kids with very little patience. :)
Requires a 10mm Heavy Ball bearing (9 - 12mm should work)
Print both shell Domes flat side down (concentric supports work best) and glue in the puzzle_body. Add the BB and glue the halves together.
The transition from outside to the middle is not smooth, the ball can easily "jump" the centre. You'll see that if you test it before putting the top on. *Please comment if you think this needs a tweak.*
Find a way to forget how you built it and have fun!
**UPDATES:**
**ADDED A SPIRAL PUZZLE** - you may need to tune the top half's centre post so it doesn't obstruct the centre hole.
Changed the bottom shell half to aid assembly
Small puzzle_body tweak
**Added a Super easy version** This should catch the ball as it hits the centre rather than over shooting, probably better for kids with very little patience. :)
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