To get a perfectly accurate joint of the flat parts with a curved surface allows simple reception. Take a sheet of thick paper, such as Whatman; one edge cut into a narrow strip and attach this side to those curves that you want to copy. Drawing in the petals with a pencil or a knife and get them cut lines, and hence a template for marking flat parts.
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In the household of great assistance can have a miniature electric drill. Easy to make on the basis of the motor WCT-1, is designed for EPA of the store and radios (see figure). The...
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To cut a round hole of large diameter, to make a glass disk or a ring will help this simple tool. It consists of three parts. The dimensions of the steel rod Ø 5 mm depend on the...
