Pencil Sharpener
Another essential tool that should be found in the artist’s
toolbox is the pencil sharpener. This is a device that shaves
the end of the pencil thereby sharpening its point.
Some artists may use sandpaper block and use a knife for
the wooden part of the pencil. A large part of pencil drawing
depends on keeping a sharp pencil.
Ruler
A ruler is used in technical drawing,
engineering and geometry. Rulers help
you make straight lines or make precise
measurements. On the topic of
perspective, the ruler will be frequently
used.