
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
NEW TECHNOLOGY
With all the advantages of fiberglass hulls for model rockets the traditional process of production is highly labor-intensive and unsound. Meanwhile, the conversion gave the modelers a...
FOLDING HANGER
In homes with small hallways are sometimes difficult to place even a coat rack, not to mention furniture. If you make a few kronsteini retractable hangers, then you can do without any...