
What if you need to draw a circle, and a compass at hand is not! To get out of this situation by making a simple compass of the bent and strapped to the pencil in the right place for a stylus pen, as shown in the figure.
Recommend to read
DO NOT HAND – CRANE
One who has built a residential building, cottage or garden house, knows how difficult and difficult to assemble the Foundation, walls, floors and other structural elements. To move the...
EMERGENCY UMBRELLA
Many umbrellas of the spoke ends plastic ferrules, to which the threads are attached to the edge of the fabric dome. When threads are ground, loosely fitted tips lost, and the proper...