The full name of ISO pixel painting in this signature document is Isometric Pixel Art in English. The principle of ISO pixel painting is very simple, that is, following Parallel perspective, there is no vanishing point in the ISO world, which is the pixel painting version of axonometric drawing.
Most axonometric drawings are used in industrial drawing, architectural design and interior decoration. Because the angle is rotating, if it is straightened, it will be very similar to ISO pixel painting. So many ISO pixel painting tutorials will draw a cube.
Drawing skills of ISO pixels in signature documents
ISO pixel painting cube can see three faces, corresponding to black (dark part), white (bright part) and gray (transition) of light and dark painting respectively. The place where faces intersect is the ridge line, which can highlight the brightest place.
After beginners learn to draw cubes, they can draw anything in the ISO world in the same way. You can't just watch without practicing. Even the MC world, which is made up of squares, is not easy to piece together some complicated things. The coolies are afraid of being composed of five squares, and the light source is at the upper left, so they usually point the highlights at the upper left.