How to draw beautiful cases with compasses and triangular rulers

Draw beautiful patterns with compasses and triangular rulers, including drawing circles, lines and diagonals, arcs and curves, and filling colors.

First, draw a circle.

You can easily draw a perfect circle with compasses. Determine the radius of the circle to be drawn, fix the tip of the compass at one point on the paper, then fix the other end of the compass at another point on the paper, and tighten the compass to form a perfect circle.

Second, draw straight lines and diagonal lines.

Draw a straight line with a ruler and a diagonal line with a triangular ruler. Align the edge of the ruler or triangular ruler with the starting point of the line to be drawn, put the ruler on the paper, press one end of the ruler with your fingers, and move your fingers to move the ruler along the direction of the line to be drawn until you reach the end of the line.

Third, draw arcs and curves.

Using compasses and trigonometry, you can draw all kinds of arcs and curves. Determine the starting point and ending point of the arc or curve to be drawn, draw the arc with compasses, and then draw the curve with a triangular ruler. For complex curves, it is necessary to use the combination of multiple compasses and triangular rulers to complete.

Fourth, fill color.

After the outline of the pattern is completed, you can fill the pattern with pens or pigments of various colors. Choose colors according to needs and preferences, and fill them according to the shape and details of the pattern. For some complex patterns, different colors and techniques are needed to complete the filling.

Painting combining creative inspiration with color matching patterns

First, creative inspiration

Looking for inspiration can be drawn from nature, works of art, architectural design and other fields. Observe and study these works, try to imitate the shape and structure, and innovate on this basis.

Second, color matching.

Understanding the basic principles and matching skills of colors can make patterns more vivid and interesting. Try different color combinations and see how they interact. For some details or elements that need special emphasis, bright colors or contrasting colors can be used to highlight them.

Third, pattern combination.

Combining different pattern elements can create more complex and deeper works. Try to combine different shapes, lines and colors to create a unique pattern combination. For some complex patterns, you can use templates or grids to help plan and draw various elements.