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
BUTTON+=CLIP
My way of fastening several sheets of paper, especially with a tight cover or tab, affordable, fast and reliable, so that will help out students or students who have to apply for...
Dolphin learns to swim
What should you give preference when designing an amphibian: teach it to swim well, turning it into a boat on wheels, or let it run well on land and slowly overcome water obstacles? This...
