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
SPRAY AT HOME
In your magazine (No. 5, 1974), we wrote about how to extend the life of the aerosol can using a Bicycle valve. Here is another diagram of a homemade spray paint suggested by our reader...
Off-road Smart ForTwo
Do you know, sometimes the craziest ideas are born not from an excess of free time, but from the desire to prove to yourself that the impossible is actually quite real. Imagine this: there...
