![]() ![]() I added a little face so Abby could see how I had a fish in my mind. The picture obviously shows I taped it together. I chose to then take another shape from the bottom and move it to the top. You want to cut out a shape on one side and move directly to the opposite side. I had a fish in mind when I set out on this project, but I wanted to keep it very simple for my daughter’s sake…oh, and my own. I wanted to show Abby an example of how it worked in real life, so I did my own little example, taking pictures along the way so I could share it with you. This was stock paper (just a bit thicker than normal paper). The first thing I did was fold the paper so I had rectangles. Abby played with this for a bit before we moved on to the craft. This game really helps you understand how to make a tessellation that will fit together and work. The next thing I had her do was to play this tessellation game I found on PBS kids website. It was fun to watch her try and see how the images fit together. Here is a picture of Abby discovering some of his tessellations for the first time. Therefore, as I was trying to think of what new craft I wanted to do with my kids, I decided to look into some of my own favorite artists for inspiration. ![]() If you are going to paint in an impressionist style, then study impressionist artists and their work prior to exploring this style of art with your own kids or students. One of the things my teacher emphasized is to not just do art projects to do art projects but to always tie them in to an art history lesson. I have a degree in education and my class on teaching art had to be one of my favorites. When I was in college I learned the importance of teaching art to kids. ![]() Escher has inspired some of the ideas you see today. Notice the differences between the lizards' toes in the picture of the dxf meant for aluminum and the picture of the dxf meant for acrylic.Tessellation artwork has always been so interesting to me, and I was happy to discover a way to make it accessible as art for kids. I measured the kerf in the acrylic I was using, outlined the lizards by half this distance, and deleted the interior shape. So, while the lines down the backs of the lizards were fine, I had to use an outline tool in AutoCAD to draw lines around the lizards. There was also a fair amount of tweaking the dxf so that the path generating software didn't get "stuck." The laser cutter doesn't care about its kerf. Some of the lines on the lizards are not closed polygons, so I changed their type so the jet followed them directly. In this type of work, this is both a blessing and a curse. This mean it generates the tool path to follow a line just outside of our drawing, so you get the proper dimensions. The software on the Omax abrasive jet does automatic kerf correction. Since the lizards in one layer did not touch one another, I connected them with a thin strip of material that followed the outline of the lizards in the other layers. I put each of the three lizards on a different layer in the dxf, and copied this base tesselation into an array. I wanted the first layer cut out of aluminum by an abrasive jet machining center and the second and third layers cut from acrylic by a laser cutter. Customize your CAD so that it works with your materials and your tools.
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