
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
STICK-FUNNEL
When you need to pour the liquid in a bottle with a narrow neck, you always use the old reliable and proven method: inserted into the hole daddy or thin wire of a suitable diameter so as...
Radio Delta
This very “flyable” radio-controlled powered hang-glider model was designed specifically for beginners: it is not difficult to build, and it is practically impossible to wreck on...