How to draw a square in sketch?

1, drawing: use a hard charcoal pen or a small pencil B. Firstly, the approximate positions of up, down, left and right are gently marked with straight lines, and long straight lines are drawn to connect them to determine the basic shape of the cube.

2. Add dark side and projection: draw the dark side and projection of the cube quickly with 6B pencil or soft charcoal pen.

3. Further widening the relationship: Only by deepening the bottom of the cube can the relationship between the dark surface and the projection be widened. Draw the gray face of the cube. Put some lines in the background.

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4, adjust the picture: adjust the whole picture, open the black and white gray, deepen the background. Use a pencil or hard charcoal with a small B number to show the bright side.

5. Describe the details: Describe some damaged places on the cube. At this time, it is necessary to sharpen the pen and choose a small pencil or charcoal pen of size B. It can deepen the lines between the cube and the bottom, and enhance the solid feeling of the cube.