If you study at an institute, technical school, college, if you are engaged in the construction of any home devices, mechanisms or crafts, if you want to draw a plan and design of your country house, greenhouse or garden irrigation system, if you are fond of modeling military equipment, then you will definitely need simple drawing tools that are simple enough to make yourself from the available materials.
And then any drawing and design work, which is usually difficult to do at home due to the lack of drawing tools, will become simple and easy.
Content:
1. Drawing board.
2. Inertial Drawing Tire.
3. Stencils for dashed lines.
4. Fixture for building tangents and normals to curved lines.
5. How to divide a line and a circle into equal and unequal parts.