How to sketch a cube

I. The purpose of putting a long line is to compare and contrast angles and draw the shape correctly. Extend the two opposite lines infinitely will find will cross together, this is perspective, near big and far small, near wide and far narrow. Drawing this step is also to pay attention to the proportion of each side, the length of the relationship. Generally close to the edge of the long far away from the edge of the short, grasp this law easier to draw a good sketch.

Second, after playing a good shape is to lay the tone, drawing the relationship between light and dark.

1. First lay out the dark side, one tone, no change, then lay out the gray side, pay attention to the contrast between the two tones.

2. The dark side of the projection and the geometry of the plaster statue of its own dark side to distinguish, and then in the light side in the increase of a layer, you can lay the background. This way the light side and the dark side have two layers each.

3. Draw the line where light and dark meet, while adding a gray surface. Pay attention to push the screen to observe the overall effect, to avoid "gray" and "greasy" problems.

4. And so on, step by step to enhance the picture.

Three, draw some details, such as: plaster statue of the top of the small pits, bad corners, lining folds, etc., to make the picture more exciting.

Four, in-depth carving, coordinate the overall relationship between light and dark.