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
IN SUMMER — MOTORCYCLE, IN WINTER — SNOWMOBILE
Snowmobile technology is finding increasingly wider application today. Industry and amateur craftsmen create the most diverse machine designs, specifically intended for winter operation....
THE SILENCER IN THE MUFFLER
The problem of noise of operation of internal combustion engines exist in all types of modeling. The modelers of the upper boundary of the acceptable level of noise has long been...
