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.
Recommend to read
SNOWMOBILING: WHERE TO START?
To the editor of our journal continues to receive many letters from Amateur designers: the interest in such type snowmobile technology among different age groups continues unabated. But...
Catamaran made of… foam
In recent years, foam catamarans have begun appearing on the water bodies of the Urals. They are unsinkable, convenient to operate, durable, and simple to manufacture. The figure shows the...
