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
WASHING MACHINE IN THE BACKPACK
This object shaped much like a conventional stationery printing, can become an addition to a household washing machine, replacing it in the stowed or country conditions, and also in...
NOT UNWOUND
What coil do not occur now in our everyday life and tape, and fishing, typewriter and film projector and all have one awkward feature: they are wound — tends to unwind. For all of them...
