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
PLUG-IN SHELF
To increase the useful volume of the cupboard can homemade extra shelf, shown in the figure. 
“THE SECRET” INSTRUMENTAL
If in your workshop or garage is no place to neatly place the tools fix the spring clamps on the folding shelf. In the off position, the tool locks firmly turntable or special latches...
