If you want to cut a round hole in the plywood or other rigid sheet material, but no jigsaw or handsaw pointed, easy to assemble witty prisposoblenie that will replace these tools. Only need two metal cores, one of which is pointed, the other sharpened like a cutting torch. Clamped in the vise at the required distance from each other, the first rod will serve as the axis on which will be pressed to rotate the plywood on top, and the second is from the bottom to cut the necessary hole.
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MICROMELIA
After reading in the "M-K" on the continuation of the contest "Small mechanization", decided to take part in it. I propose a simple and compact micromelic. About the size can be judge by...
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Applied the last stroke of paint on the Board-float; the number sewn to the sail, varnished mast and you start thinking about the first release in the "open sea". But, before you do...
