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This post is part of a series called How to Draw Textures.
How to Draw Wood
How to Draw Fur
Final product image
What You'll Be Creating

Transparent glass is incredibly hard to draw from imagination. That's because we know it's "invisible", so what is there to draw? But the correct approach is to draw what we see, not what we know—and if glass can be seen, it can be drawn.

You can follow this tutorial in two ways. You can just copy my actions to create a beautiful, realistic drawing of glass, but you can also read the explanations carefully to learn how to render glass things in the future outside of this tutorial. The choice is yours!

What You Will Need

  • HB pencil
  • 5B pencil (or anything much softer than HB)
  • Ruler
  • Eraser
  • Pencil sharpener

1. How to Draw Thick/Solid Glass

You can use this lesson to create a solid glass sphere or a glass stick.

Step 1

Draw a circle using the HB pencil. You can start with a cross to achieve a perfect shape. Draw the lines lightly—this is just a base. The lines are dark in this tutorial so that you could see them clearly, but you should barely see them in your drawing.

draw a circle

Step 2

Extend the vertical line and draw the sides of the bottleneck.

how to draw a bottle

Step 3

Finish the shape of the "solid bottle" by adding a few perspective-defining ellipses.

how to draw a 3d bottle

Step 4

Take the ruler and draw a checkerboard background. Because we can see glass by how it influences its background, this will be very useful for us.

how to draw a checkerboard background

Step 5

A solid sphere of glass works like a convex lens. This means we need to enlarge the checkerboard fields within its outline. It can be easily done by turning the lines into ellipses. First, create a wide ellipse in the middle...

how to draw a 3d sphere

... then more ellipses around. Each one should be closer to the previous one, until you reach the main outline.

how to draw a glass sphere

Step 6

Do the same with horizontal ellipses. Feel free to break the symmetry for a more interesting effect.

how to draw a 3d glass sphere

Step 7

Use the same rule in the bottleneck. This time draw lines, not ellipses, since a cross-section of a cylinder is a rectangle, not a circle.

how to draw a glass cylinder

Step 8

Cross the lines with vertical ones. You can achieve a more natural effect by breaking the symmetry again.

how to draw a 3d glass cylinder

Step 9

Our "bottle" doesn't have an opening—there's a flat surface on top that's visible through the glass. And since we see it through the glass, it must be distorted.

how to draw a solid galss bottle

Step 10

We have a kind of double distortion here, so break the rhythm:

how to draw glass with pencils

Step 11

Here's a difficult place. The glass here is thick and it has an irregular shape. The same thing would happen on the bottom of a real bottle. You can skip this part if it's too difficult, but it adds a really nice effect.

how to draw refraction
how to draw refraction in glass

Step 12

Time for the must fun thing: reflections! If your glass is a part of a scene, you must adjust the reflections to the lighting in the scene. If not, feel free to create simply any reflections that look good.

In my case, I've created a rectangular light that's reflected on the side...

how to draw reflections on glass

... and then gets reflected (and enlarged!) inside the bottle on the other side.

how glass reflections work

Finally, I've added a set of rectangular lights over the bottle to create a lot of little reflections. Notice the reflection of the top on the bottom!

how to make glass shiny

Step 13

You can relax now, because everything is well defined and we can just finish it step by step. Tilt your pencil and fill half of the fields on one side with gray (on the left if you're right-handed and vice versa).

how to draw checkerboard

Step 14

Take the 5B pencil, tilt it, and fill the other fields. Don't press too hard, but try to achieve a nice contrast.

how to draw pattern

Step 15

Now focus for a while to fill the fields within the glass outline. Do it field by field, trying to see them in the lines you've defined before. When you get within an area of reflection, press lighter.

how to draw refracted pattern in glass
how to draw distortions in glass

Step 16

Now take the HB pencil again and fill the other fields. Keep the areas in light white.

how to make glass look real

Step 17

Do you remember that thick/irregular spot in the middle? Keep it dark, with a tiny, tiny checkerboard pattern hidden in it. If your glass had a tint of color, this is where it would be visible the most.

how to draw thick glass

Step 18

Now do the same with the other half.

how to draw glass bottle with pencils
how to draw a crystal bottle

Step 19

Finally, you can take the eraser and subtly smudge it over the reflections. Feel free to fix them with pencils as well.

how to draw realistic solid glass with pencils

2. How to Draw Thin/Empty Glass

You can use this lesson to draw a drinking glass or an empty sphere.

Step 1

Start with the same bottle with a checkerboard background as before.

sketch a glass bottle

Step 2

Define the thickness of the glass by drawing the inside wall.

how to draw a glass

Step 3

This time it will be a little different. Draw the ellipses within the outer circle, but finish them abruptly in the inner circle.

how to create glass with 3d effect
how to draw refraction isnide a bottle

All the ellipses should stay within the inner circle.

how to draw a 3d glass

Step 4

Draw the lines in the bottleneck, again only "inside" the bottle.

how to draw a bottleneck

Step 5

The edge of the bottle's opening is visible through glass as well, so we need to use the same trick as before.

how to draw a glass opening

Step 6

This time the opening is open, so there's only one layer of glass to see the background through.

how to draw refraction in the bottleneck

Step 7

That difficult spot is even more difficult in an empty glass. Notice how it seems to bend to the inside. Also, don't forget to draw the distortion within the wall—it's so tight that's it's best to draw it with simple lines.

how to make glass look empty

Step 8

Time for reflections!

how to draw shiny glass

Step 9

Now the most pleasant part. First, fill one half of the fields with a tilted HB pencil.

how to shade a checkerboard pattern

Step 10

Then fill the other half with a tilted 5B pencil.

how to draw black and white pattern

Step 11

Fill the little fields inside the bottle. They should be really, really tiny near the wall. Keep them light inside the reflections.

how to see a pattern through glass
how to draw a pattern behind the glass
how to draw distorted pattern

Step 12

Draw the distortion within the wall with dark, thin lines. Keep contrasting white lines in between.

how to draw pattern distorted by glass

Step 13

Make that spot in the middle dark and thick.

how to draw thin glass

Step 14

Take the HB pencil again and fill the remaining fields, keeping the reflections white.

how to draw reflections on a glass bottle

Step 15

Repeat the process for the other side of the picture.

how to draw a realistic glass
how to draw shiny glass

Step 16

You can use the eraser to make the reflections pop.

how to draw a realistic glass bottle


As you can see, glass isn't so difficult to draw once you know how it all works! If you liked this tutorial, don't forget to check out more:

how to draw realistic glass with pencils
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