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Friday, November 6, 2009

M.C. Escher Tessellations

A tessellation is created when a shape is repeated over and over again covering a plane without any gaps or overlaps. I learned the hard way how easily triangles can get flopped and rotated, so I came up with a numbering process that eliminated that problem.
1. Give each student a 3" (or larger) square of heavy card stock paper, scissors, tape, and drawing paper.
2. Make a diagram on a board that follows the steps illustrated to the right.
a. Number the corners as shown.
b. Cut the bottom two corners off and move up to the top. With edges "kissing" and not overlapping, tape in place. The numbers should stay right reading.
c. The students are to draw a triangle on the back side, label "H" for head, and move to the right top and tape in place to make a bird shape.
3. Using the bird as a tracing template, they are to align it with the side of a drawing paper, and trace one stacking column. Then, if they move the bird to the right and interlock the head shapes, they can make another column that interlocks with the first. Continue tracing columns until the paper is filled.
4. Lastly, pencil lines are traced with a marker and the shapes are colored in. This artwork uses crayon, but painting would look very nice too.
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Thursday, November 5, 2009

Snowman on Skis

I sometimes look at stock illustrations on websites like gettyone.com for inspiration. I found a simple drawing of a snowman on skis that I really liked, and remade with my glue and pastel technique.
1. Drawing lightly on black paper, make three overlapping circles, each getting a bit smaller as they go up.
2. Draw simple stick arms, a face and buttons.
3. Add stick ski poles attached to the hands, and a hat that sits on top of the head. Stripes are nice as they allow for extra color.
4. Draw two skis below the bottom circle, and then a curved horizon line. Trace all lines with a thin line of white glue and let dry for 6 hours or so.
5. When dry, color in all the areas with pastel. I used Art Stix for this picture, which are a kind of new-fangled stick that don't have all the chalky-ness of the chalk pastels. They aren't cheap, but they are clean and sturdy and seem to last forever.
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Sunday, November 1, 2009

Close Crop Snowman

Drawing closeup and cropping out what is unnecessary can make just about any artwork more interesting. The tendency is for students to draw small with lots of extra space. If you are trying for dynamic images for special uses like greeting cards, this approach will make a big difference.
1. I started with a 9" x 12" sheet of black paper, and traced a ruler width in pencil around the outside to give the artwork a frame.
2. I used an old CD to trace the bottom circle, purposely placing it so that it would go off the page on one side. The smaller head circle came from centering a smaller cup above the CD circle. I drew in the face, hat, scarf, arms and buttons. A horizon line was added in the background.
3. I took a black pastel, and traced the all the pencil lines, pressing hard so that the line was easily visible. All the shapes were filled in with pastels, and lastly I added some snow on top of the sky.
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