Unbeatable Ball
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Description
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Creating isn't easy, please give me a boost~ Many thanks, and I wish you all the best! ( •̀ ω •́ )y
Model Introduction:
I created this "Unreachable Ball" device using an eccentric wheel and gears as core components. When the swing arm is rotated, the small hammer will fall and rise, but it will never hit the rotating small ball. It's full of fun, very suitable as a teaching aid or a desktop ornament, welcome to download and print!
Further thought: Can the "Unreachable Ball" be transformed into an "Unescapable Ball" by adjusting the relative positions of the two bevel gears (step 6)? That is, can the small hammer accurately hit the rotating small ball every time it falls?
Installation Steps:
This model contains a total of 17 parts, their Chinese and English labels are shown in the figures below.
Chinese labels:

English labels:

Specific installation steps:
1. Snap the side plate into the groove of the base plate.
2. Pass the shaft of gear through the two side plates, and from left to right, sequentially slide one large stuck piece, a bevel gear, and two large stuck pieces onto the shaft, ensuring that the bevel gear rotates synchronously when the shaft of gear is rotated, as shown in the figure.


3. To the right of the shaft of gear, continue to slide on the eccentric wheel, swing, and one large stuck piece in sequence.

4. Cover with the top plate, snap it into the grooves of the two side plates, and align the left side with the two side plates.

5. Install the hammer on the top plate using the hammer shaft and a small stuck piece.

6. Slide the bevel gear onto the shaft of ball disc, pass it through the top plate, and secure it with one middle stuck piece.
Note: To make the ball unreachable, the protrusion on the shaft of ball disc needs to face left while the protrusion on the shaft of gear faces upwards.

7. Insert the ball into the hole of the disc of ball, and place the disc of ball onto the shaft of ball disc.

8. Insert the push stick into the hole of the top plate, with the lower end of the push stick resting on the eccentric wheel.

Now, rotate the swing arm as shown in the GIF, and enjoy the fun of the "Unreachable Ball"!
Welcome to:
PS: Feel free to visit my homepage often, you're sure to find something you need (●'◡'●)
Homepage link: https://makerworld.com.cn/@Pbreak
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.


























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