One who often works with paper and ink, it is recommended to do simple drawing tool simplifies many design works. In principle, it is a cross between a poster with pen and brush. To make it, you need to whittle out wooden planks a simple holder, made of tin to cut two plates and to procure a few foam strips. How is going to “pen” it is clear from the figure.
Recommend to read
CHIP REPLACEMENT ROM
As a result of scientific-technical progress increases the degree of integration of integrated circuits (MS), including working in a permanent storage device (ROM). The developers of the...
SMALL, BUT PERFECTLY FORMED!
Walk-behind self-built eager to make the most versatile. This is understandable: it has to perform a variety of agricultural operations. However, to create a design that is most optimal...