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
SNOWMOBILE “BOROVIK”
Designers snowmobiles operating in rural areas, and most — often used parts of decommissioned tractor Puscuta PD-10 propeller systems for their cars. It is clear and logical: the engine...
TAPE INSTEAD OF THE FRAME
If there is no suitable photo frame it can be replaced by any opaque tape, stretched on the table of a photographic enlarger in the longitudinal and transverse directions. The ends of...
