Second, try to avoid straight lines. Draw the head and torso in circles, not the head, torso, hands and feet.
Third, draw the structural posture, draw the arms, legs and pelvis with simple lines, and use different colors.
Fourth, draw a figure with a cylinder, unfold the line into a shape and draw the shape of the figure. It is necessary to pay attention to the position of the light source and consider the relationship between light and shade.
Fifth, determine the orientation of the cylinder with crosshairs, and consider the orientation of the cylinder when drawing.
Finally, design clothes. Now, design clothes for the characters. This is an armored soldier. Because of the size, he focused on the helmet and the armor on his shoulders.
The above is a tutorial on pixel painting, I hope it helps.