Pi is part of Egyptian mythology Egyptians believed that the pyramids of Giza were like math marvels, built on the principles ...

My French curve is not my most-used drafting tool, but it is an extremely helpful one. Did you know that a French curve is composed of many different curved segments, each with its own radius? It is ...

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Make sure it's snug but not too tight. Mark where the two ends of the string meet and measure the length with a ruler. This measurement is your band size. Then, wrap the same string around the fullest ...