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Skull With Mouth Open Drawing

How to Draw an Open Mouth and Jaw

how to draw an open mouth skull drawing

In this lesson, you'll learn how to draw an open mouth. First, you will go over how the basic mechanics of how the jaw works, and then you'll progress into actually opening up the jaw so you can really understand how to draw a mouth that is fully opened.

draw an open mouth skull sketch

Start off with a simplified drawing of the skull. Check out this blog post on How to Draw a Skull for a quick and easy way to do this.

You will be focusing on the mouth and the jawbone, so don't worry if the rest of the skull isn't as defined in your drawing – you're focusing on the mouth, so no need to waste time detailing the other parts.

In the video you can follow along as Sycra draws the skull, or you can simply copy the image above to get the same effect.

The most important thing to note when learning how to draw an open mouth is where the jaw is attached to the rest of the skull. The point where it joins is where the jaw bone will pivot from as it opens.

drawing an open mouth skull sketch

How to Draw an Open Mouth

The upper part of the mouth never really moves. The upper lip can slide up and down along the upper row of teeth, but the teeth themselves are anchored to the skull.

As the jaw swings open, the mouth will also stretch and open. For this study of the mouth you'll be drawing someone that's screaming to give you an extreme example of drawing an open mouth.

In order to get the placement of the jaw as it swings open you can imagine that there is a string that starts at the pivot point of the jaw and extends out the most forward point of the teeth or chin.

Then to get the appropriate size of the jaw you can imagine that string swinging downward, without changing its length and still being attached to the pivot point of the jaw.

Another way would be to dig out your old geometry set and place the pivot at the pivot point of the jaw, and place the pencil at the tip of the chin or the teeth (either can be used) and then drawing an arc to keep the size of the jaw consistent as it swings open to any degree.

Notice in this image that there is a tilted oval drawn where the lower teeth will eventually go. This helps to establish the curvature of the mouth in three dimensions, and you'll be expanding on that in the next step.

drawing the jaw skull sketch

Drawing Through the Jaw

To deepen your understanding of how to draw an open mouth, you can fill in the back facing side of jaw while remembering to incorporate the curve of the mouth.

drawing a screaming mouth adding skin

Adding Skin on top of the Mouth Drawing

Now that the open-mouth skull is finished you can start to draw the skin on top of it. Start off by drawing a simple nose and then drawing in the lips.

This is a really extreme pose, and the teeth will naturally be showing on both the top and bottom. If you make this pose yourself and try to cover your upper teeth with your lips, you'll have a very unnatural feeling!

As the skin stretches into this extreme pose the creases along the side of the nose are going to become more pronounced. You'll also want to draw in some creases along the outer edge of the lower jaw.

how to draw a scream finished drawing

Here's a look at the open mouth drawing with a little more detail added into the face.

We hope you enjoyed and learned a lot from this lesson series on how to draw a mouth! Don't be shy – leave a comment below and let us know your thoughts.
Return to the How to Draw a Mouth Lessons Page

Skull With Mouth Open Drawing

Source: https://www.pencilkings.com/draw-mouth-05-drawing-open-mouth-jaw/

Posted by: petersallatish.blogspot.com

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