
In a small box, like a gear in the clock mechanism, to be able to accommodate all the spools of thread. The easiest option “niccotine” — plywood base to drive in a staggered cloves of suitable length and thickness: they will serve as axles for reels. Now cover the base cover, cut a slit in it and print them through the ends of the thread. Pull any, pull how much and conveniently and accurately.
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“PRESS” FOR TUBE
This simple device facilitates the use of any tube, helping to squeeze it evenly and gently. It consists of a base in a hole which is inserted the tube, and turning a key with slit for...
Electric drive for… a kayak
I once had at my disposal a DC generator from a Wartburg-311 car (6 V, 180 W), and I decided to adapt it as an outboard motor for a kayak. I built the "fuel tank" from two...