Double layer three-dimensional carousel organ book how to do as follows:
1, first send the drawing, consisting of seven progressively smaller squares. The black line in the figure should be crossed out, red lead segment color and green line must not be crossed out.
2, with a knife and straightedge to cut the black line, the line must be straight. Remember to pad it to prevent scratching the desktop.
3, 7 boxes of black line are scratched, first operate the upper half. Fold the top half of the vertical red line, as shown.
4, pick up the demolition of excitation dig down to deal with the lower half, the same operation. The lower half of the black line across the vertical green line also folded.
5, continue to fold a square outward or inward. Referring to the picture above, the green connecting lines are folded outward, and the red connecting lines are folded inward. At this step, a 3D rotating structure is completed. Slowly open the traveler's core to see the effect of constant rotation.
The significance of the rotating organ:
1. Entertainment: the rotating organ can be used as a kind of entertainment equipment to bring fun and excitement to people. For example, carousel, Ferris wheel and so on are the representatives of rotating organs, they can let people experience the happiness brought by rotation.
2, the demolition of quiet education: rotating organs can also be used as an educational tool to help people learn the principles of physics, mechanical principles and other knowledge. For example, some science museums, museums travel section slag in the rotary mechanism, can let people understand the mechanics, optics and other basic principles of practical application.
3, practicality: rotary organs in some areas also have practicality. For example, in the food industry, some rotating barbecue grill, ice cream machine and other equipment, can improve production efficiency and quality. In the medical field, some rotary surgical instruments and devices also have a special purpose.