If you have seen the singer starring Chow Yun-fat, I believe that you will not forget the shots of playing cards. Presumably, many cool boys want to practice this stunt! The good news is coming, now you can have this stunt without having to study hard! Of course, the premise is that you have a 3D printer .
A few days ago, a high school teacher in the United States, Jeffery Kerr, designed a very interesting 3D printed poker launcher that could launch more than 30 cards in a row at a rapid rate.
As shown in the figure, you only need to put the playing cards in the box of the launching gun, turn the crank on the side, and the cards inside will shoot like a flying scorpion, forming a “saturation attack†on the target.
Kerr said that although the effect of playing is quite dazzling, its principle is very simple. Kerr explained:
“I’m very obsessed with designing mechanical toys recently. I’m interested in avoiding motors or electronics, but I’m going to explore those old-fashioned pure mechanical machines. In this launch gun, the crank is connected to the eccentric, and one turn is loaded every turn. The card is designed to have an impressive 3000 RPM drive wheel speed. You can simply pull the trigger to lower the bottom of the card box onto the loading wheel of the loading card and you will see the card flying continuously. Go out!"
Fortunately, Kerr has unselfishly put the design of this solitaire gun on the web to share with everyone. Everyone can easily print out their 3D, and the total printing time will be about 10 hours. Almost all parts of this launch gun are 3D printed, except for some O-rings, 608-type skateboard bearings, screws and so on.
Kerr called the gun at a range of about 30 feet and warned not to point it at someone else's eyes to avoid injury.
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