Hello, my name is Debbie Clapper,
and I'm a doodle addict. Greater Cleveland Area

Drawing nearly every day since the age of 9, I have mastered the art of freehand drawing and painting without the aid of a ruler or straight edge. I have built a lush career around pattern illustration via my passion for abstract optical illusion art. Heavily inspired by M.C. Escher and graffiti, my work strives to inspire and ignite imagination in all who interact with it. Over the last 19+ years, my funky yet sophisticated designs have brought life to brands such as Smartwool, BOA Technology, Hope Hummus, Rickshaw Bags and Pactimo.

I specialize in black white line, doodling, drawing, graphic design, illustration, murals, patterns, pen and ink, typography.

You can also find me on:

Debbie Clapper's Uploads

This sketchbook is all about triangle patterns! Each page starts with a base layer of connecting triangles. From there, I fill in different patterns on each page, challenging myself to come up with new ideas for each page.

Quickly drawn freehand pattern study in red.

Posca Pens on archival paper. Size: 11" x 14"

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"Whirlwind 26”, an original drawing. Micron pens on archival paper. Size: 4” x 6”. Title, signature, and date in the back of the drawing. This drawing is the 26th in a series of drawings posted over a period of 100 days. The original post date on this drawing was September 26, 2020.

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"Retro 1" is a quick freehand drawing I created last year. Size of the original is 9" x 12". I used Posca pens on archival paper. Limited edition prints are available. Want to see a time-lapse video of the process? Check it out on my Instagram: https://www.instagram.com/p/CMNAQpjh-Jl/?utm_source=ig_web_copy_link

Can you figure out the pattern rules used here?! Posca pens on 11" x 14" archival paper.

Freehand line work pattern study!

Boxes… upon boxes… upon boxes…

Geometric pattern doodle - all freehand! Markers used: Posca Pens

Freehand geometric triangle pattern doodle.

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"Whirlwind 11”, an original drawing. Micron pens on archival paper. Size: 4” x 6”. Title, signature, and date in the back of the drawing. This drawing is the 11th in a series of drawings posted over a period of 100 days. The original post date on this drawing was September 11, 2020.

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"Whirlwind 19”, an original drawing. Micron pens on archival paper. Size: 4” x 6”. Title, signature, and date in the back of the drawing. This drawing is the 19th in a series of drawings posted over a period of 100 days. The original post date on this drawing was September 19, 2020.

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"Whirlwind 13”, an original drawing. Micron pens on archival paper. Size: 5” x 7”. Title, signature, and date in the back of the drawing. This drawing is the 13th in a series of drawings posted over a period of 100 days. The original post date on this drawing was September 13, 2020.

Freehand doodled scale pattern.

Freehand triangle pattern study doodle created with Posca Pens.

Getting a little wavy psychedelic with this one!

Getting triangular weird on top of some op art scribbles.

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"Whirlwind 28”, an original drawing. Micron pens on archival paper. Size: 5” x 7”. Title, signature, and date in the back of the drawing. This drawing is the 28th in a series of drawings posted over a period of 100 days. The original post date on this drawing was September 28, 2020.

Pink Posca pen doodle. Gettin' weird over here!

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“Whirlwind 2”, an original drawing. Micron pens on archival paper. Size: 4” x 6”. Title, signature and date in the back of the drawing. The original post date on this drawing was September 2, 2020.

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“Whirlwind 12”, an original drawing. Size: 5” x 7”. Title, signature, and date in the back of the drawing. This drawing is the 12th in a series of drawings to be posted over a period of 100 days. The original post date on this drawing was September 12, 2020.

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Debbie Clapper's Uploads