Even if you use an electric jigsaw, it is usually at the curve sawing any moves on her trail the jigsaw. However, here is an easy way to get perfect circles with jigsaws device — be it a machine or hand tool: to move is himself the material. For this, the workpiece set on the base with the axis center of the future circle: the saw blade, entering the rotating workpiece, will certainly withstand the path of the planned circle.
Recommend to read
THE SECOND “BREATH” BIRDS
First image of indoor model airplanes made of bird feathers, I saw in the years of the great Patriotic war, even as a boy. Father was at the front, and my mother and my younger sister...
ROTATES FIELD
In a previous article under the heading "electronics for beginners" (see "M-K" № 8, 1979) we understand how magnetic field is formed it Turned out that, in particular, generates supplied...