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Lesson Details

Step 1 – Draw a Simple Pentagon

The first step to drawing an impossible pentagon is to draw a regular pentagon. You can draw your pentagon free hand. Or if you want to make it a perfect pentagon, follow these steps.

Mark a dot in the middle of your paper. This will be the center of your impossible pentagon.

Use a compass or circle template to draw a circle around this dot. The five points of our pentagon will be evenly spaced along this circle.

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To find the first point, simply draw a vertical line from the center dot to the circle.

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Now let’s find the other 4 points. Use a protractor to measure 72 degrees from the vertical line and repeat this all the way around the circle.

When you are done, you should have 5 evenly spaced points along the circle that are all 72 degrees apart.

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Now just connect these points to form the pentagon.

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Step 2 – Turning It Into An Impossible Shape

Next, let’s draw a smaller pentagon inside this one.

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To do this, simply draw all the sides of the big pentagon again, except move them inward so that they form a new pentagon.

To make sure the spacing of all the lines are uniform, I’m going to use the width of my ruler as a measuring unit.

Ok, so there’s our medium pentagon.

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Now let’s repeat the process and draw yet another pentagon inside this one.

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This time, I want the spacing to be a bit smaller, so I’ll use the width of my protractor to measure things out.

And there’s the small pentagon.

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Next, let’s ink in the large and small pentagon, because we know for sure these are the lines we want to keep.

I’ll be using a 1.0 Copic Multiliner pen.

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Now let’s ink in the rest of the drawing. These a lot of lines here so it can get a bit confusing.

The best way to think about this is to imagine that you are trying to get from the large pentagon…

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…to the small pentagon…

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…using these roads.

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Here’s what I mean…

Let’s start with this corner.

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Here you have your choice of two roads.

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For the first one, it doesn’t matter which one you pick. So let’s just go with this one.

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Follow this road down until you reach the far edge of the small pentagon.

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Then make a turn to connect to it.

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And that’s it.

Now let’s do this corner.

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Again, we have a choice of two roads.

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But since this one is already taken…

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…we’ll have to use this one.

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Once again, follow this road down until you get to the far edge of the small pentagon.

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And then make a turn to connect to it.

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Now let’s repeat this process for the other three corners.

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Once you’re done, just erase the pencil guidelines to reveal our impossible pentagon.

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Step 3 – Inking and Shading

To make the drawing pop, I’m going to use a large Sharpie marker to add a thick border at the outer and inner edge of the pentagon.

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Then I’ll use a 2B & 4B pencil to add a gradation at the 5 inner corners of the shape.

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And I’ll also add a gradation at the 5 outer corners as well.

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And lastly, I’ll use a 4B pencil to add a hard shadow under these lines, in order to create the illusion that the parts are overlapping each other.

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And we’re all done!

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