A normal is at right angles to the tangent. Another name is perpendicular.
Anything that you didn't trace or use tools like rulers, french curves... is technically considered "freehand." Freehand is distinguished from Technical Drawing.
Technically the first cartoons were the cave paintings done by prehistoric man forty thousand years ago.
They didn't like to draw attention to themselves, and technically, burping is drawing attention to yourself, so they tried not doing it.
Yes. Consider the drawing of a table. ~ Actually, a circle is the set of all points at a given distance from the center. It's technically not derived from a line.
Drawing usually refers to what an artist or designer does using pencil or ink or digital tools such as Adobe Photoshop or Illustrator and can be all freehand. Drafting usually is an exacting mechanical drawing or Computer Assisted Drafting (CAD) that is meant to be an aid to architectural building as a scale drawing or a scaled blueprint for manufacturing and sometimes using CAD programs such as AutoCAD.
Anything that you didn't trace or use tools like rulers, french curves to achieve is technically considered "freehand." Technical drawing employs tools like T-squares and architect scales in order to produce detailed and technically accurate drawings of things like machine parts or Plumbing schematics. It demands absolute precision. Freehand drawing, on the other hand, has a completely different set of priorities and objectives. It relies upon the more intuitive way of achieving proper (or desired) proportions ("eyeballing it")
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Architectural drawing Machine drawing Industrial drawing sheet metal drawing Aeronautical drafting marine drawing computer drawing
Artists use charcoal for drawing. The drawing is a charcoal drawing or sketch.
funtion of drawing boards
RFC Drawing - Released for Construction Drawing.
It is a drawing that shows space. Example: the drawing shows a hall. When you see there is perspective in the drawing.