3D Shadows

How do you draw things in 3D? How do you draw something realistic? In this video I explains everything about light and shadows to get that 3D look in your drawings by drawing 3D shadows.
STRONG SHADOW
StayfDraws-StrongShadow
To draw objects in 3D or make them look more realistic, you need shadows. This picture of the cube and ball has a strong light from the left upper corner.
I am first going to draw the outlines on paper. The light in this picture comes from the left upper side. It shines on the front of the cube and ball. When the light comes from the left, everything to the right is darker and has a shadow. So on the right side of the cube and ball there is a cast shadow created by the objects. I draw in the cast shadow on the right side of the cube. Notice that the cast shadow also falls behind the cube. This is because the light source comes from the front. The cast shadow of the circle has a different shape, because it is a round form. The shadow falls on the right side of the ball, because the light source comes from the left. The cast shadow looks like an ellipse. An ellipse is a circle in perspective. If you want to learn how to draw an ellipse check out my video about drawing an ellipse. I am now going to sketch in the shadows with a softer pencil. It is a 2B lead pencil. With softer pencils it is easier to make shades. The front of the two objects are very bright, because the light shines on it. and comes from here. The front side of the cube is very bright, so we are not going to shade it. But the right side of the cube is much darker. So sketch in the shadow on that side. I draw the shades vertical and then from right to left. In this way you get a more solid shadow. On top of the cube the side is also slightly darker, because the light comes from the front. I draw in the shadow very lightly. These shadows are also called form shadows. So the shadows that are on the object are called form shadows. The cast shadow has the strongest shadow where the object and the ground meet. Draw in the shadow and notice that the shadow fades away on the back. On the front the cast shadow is also a little lighter than the rest of the shadow. The cast shadow is strongest where the object meets the floor and fades out the more you get away from the object. If you want to make the shadows softer just use your finger and smudge it. A circle has a different form shadow , because it is has a round form. If you want to shade a round form it will be more subtle. Shade it in a round form. You see that the shadow is darker on the right side of the ball and fades toward the left side. Make the shadow softer by smudging it with your finger. Now I will draw the cast shadow. Where the ball meets the floor the shadow is the strongest.

TWO SHADOWS
StayfDraws-2LightSources
The next picture has two light sources. One ambient light and a spotlight. As you see in the picture the objects have two cast shadows. One cast shadow that is lighter than the other. I will first draw the cube.
The light comes from above. This is the ambient light and the other stronger light comes from the middle. This is the spotlight. Sketch in the shadow on the right side of the cube. This is similar to the form shadow we have drawn on the first cube. The cast shadow has a different angle. We first draw the shadow of the ambient light. Draw the cast shadow very lightly. Then we draw the cast shadow that comes from the spotlight. This cast shadow is much stronger and smaller. Because the light source is closer. The front of the cube has a bit of shade as well. So sketch in the shade lightly. The top of the cube also has a faint shape shadow. Smudge it with your finger to achieve a more subtle shadow.
Now I draw the ball and the two shadows are more clear by drawing the cast shadows. First I draw the cast shadow of the spotlight. This shadow is the strongest. The cast shadow of the ambient light is much softer. Draw in the shadow very softly. The form shadow on the ball is darker than the first ball we have drawn. Draw in the shade by following the round form of the ball. It will get lighter when you draw it to the left. If you watch closely the form shadow on the bottom of the ball is a little lighter. This is caused by the reflection of the light that bounces up from the floor.

LOW SHADOW
StayfDraws-ShadowLow
The third picture has a different light source. It comes from the back and is very low. The light shines through the paper cube. The cast shadows are much longer. In real life you see these kind of shadows by the end of the day when the sun sets. You will get longer shadows.
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