The most important rule in freehand sketching is to keep the sketch in proportion.

More Questions from Technical Sketching

• The end of an edge is a vertex.
• A designer is likely to brainstorm several ideas before deciding on a final plan.
• An angle is formed by two intersecting lines.
• Points may be represented by simple dots.
• An edge is formed where two surfaces intersect.
• A sphere has a double-curved exterior that can be formed by revolving a circle around one of its diameters.
• An electronics drafter is typically involved in the development of wiring schematics for large commercial buildings.
• The degree of precision of a given sketch depends on its use.
• Solids are bounded by the surfaces that contain them.
• All professional engineers are good CAD drafters.

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