Ref usually means that this dimension (and any associated tolerancing), is specified somewhere else, possibly on a lower level sub-assembly drawing.
Do you mean a drawing "pen?"
when you do a drawing using only lines
its the ref no.
Contour drawing is drawing the outline shape of an object. Composition is the arrangement and organization of the artwork using the elements of art.
observing something
may be it ref no of engine in short it use for ref on production of engine
drawing on a computer
l'Ecosse - Scotland
Drafting means actually drawing the drawing.
Do you mean a drawing "pen?"
Drawing a spade or club.
Look it up on the computer
dibujo
you doodle
drawing
Foto means Picture....... Dibujo means Drawing...!! =)
If you mean something like a doodling drawing app, then yes.