Material: cardboard, compasses, rubber.
1. Draw a circle on it with a compass.
2. Take the radius as the center and draw a circle with any point on the circle.
3. Draw a circle with the intersection of the sides of two circles as the center.
4. Repeat the above steps.
5. Draw six circles on the side.
6. Erase the excess part of the edge with an eraser.
Application of compasses
1, mathematical drawing:
Compass is an indispensable tool in mathematical drawing. By using compasses, students can easily draw standard circles and arcs to solve various mathematical problems, such as calculating the circumference and area of a circle.
2, engineering design:
Compasses also play an important role in engineering design. Engineers can use compasses to draw accurate circular parts or structures, and ensure that their dimensions and positions are accurate. In addition, compasses can also be used to measure length and angle, helping engineers to design and calculate accurately.
3, architectural design:
In architectural design, compasses are widely used to draw architectural plans, elevations and sections. By using compasses, architects can draw standard circular windows, door openings and arched structures, adding aesthetic feeling and characteristics to the building.
4, artistic creation:
Compass is also an important tool in artistic creation. Artists can use compasses to draw standard circular or arc lines to create various patterns and images. In addition, compasses can also be used to make templates and tracing paper to help artists copy and enlarge accurately.
5. Drawing:
In cartography, compasses are widely used to draw various maps and charts. By using compasses, cartographers can draw standard circular symbols, lines and notes, making maps and charts clearer and easier to understand.
6, hand-made:
Compass is also a common tool in hand-making. Handicraft lovers can draw standard circular or arc patterns with compasses, and then cut them out to make various handicrafts, such as paper flowers, puzzles, stickers and so on.