If a wooden bar and drill two holes the diameter of pencils or flomasterom — get a new handy tool for drawing or sketching: one motion will be two parallel lines. Instead of a single bar it is possible to use two longitudinal halves, in which to choose the grooves for writing the stems and then tie or glue the workpiece.
Recommend to read
TRACTOR AS THE TRACTOR
The idea to build a small tractor did not come from "itching" technical creativity and the urgent need for mechanization of the farm and the transportation of economic goods. The last...
WILLOWTALK SWITCH THE SPEED
In 2007, No. 9 of our magazine was published an article by Muscovite Vladimir Aleshin on the invention of the Bicycle the hub of the rear wheel, capable of movement to choose the optimal...
