drafting instrument

Definitions of drafting instrument
  1. noun
    an instrument used by a draftsman in making drawings
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    types:
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    compass
    drafting instrument used for drawing circles
    divider
    a drafting instrument resembling a compass that is used for dividing lines into equal segments or for transferring measurements
    protractor
    drafting instrument used to draw or measure angles
    triangle
    any of various triangular drafting instruments used to draw straight lines at specified angles
    T-square
    a square used by draftsmen to draw parallel lines
    type of:
    instrument
    a device that requires skill for proper use
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