Construction+Lines

=
**__//Construction lines//__ are lines that give support and structure to the design. ** ======

=
**They help the picture to be more exact, and they can be used in all types of drawings i.e. 2D, ****//Oblique//****, ****//Geometric Shapes//****, Isometric and/or 3D. ** ======

=
**You lightly use the pencil for the __construction lines__ so you can rub them out later if wanted, they do not have to stay in the drawing but it's OK to leave them to constructed the design.Constuction lines can be in any angle and length for the drawing. ** ======