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  2. Hidden line - Wikipedia

    en.wikipedia.org/wiki/Hidden_line

    Cubes with hidden lines: dotted, dashed, and thin lines. Cubes with no hidden lines, and a cube with dotted lines to give 3 dimensional reference. A common practice is to draw the visible edges as solid lines and the hidden lines as dotted lines, dashed lines, [2] or thinner lines than the visible lines. Hidden lines add geometric information ...

  3. Engineering drawing - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing

    Standard engineering drawing line types. A variety of line styles graphically represent physical objects. Types of lines include the following: visible – are continuous lines used to depict edges directly visible from a particular angle. hidden – are short-dashed lines that may be used to represent edges that are not directly visible.

  4. Technical drawing - Wikipedia

    en.wikipedia.org/wiki/Technical_drawing

    A cutaway drawing is a technical illustration, in which part of the surface of a three-dimensional model is removed in order to show some of the model's interior in relation to its exterior. The purpose of a cutaway drawing is to "allow the viewer to have a look into an otherwise solid opaque object.

  5. Scribing (cartography) - Wikipedia

    en.wikipedia.org/wiki/Scribing_(cartography)

    While working over a light table, lines on the scribe sheet are traced with a metal or sapphire-tipped scribe tool to remove thin lines of translucent coating to produce a handmade negative image. This compares with drafting, where an ink image is made on tracing paper by depositing ink using a pen to produce a positive image. Scribing produces ...

  6. CAD standards - Wikipedia

    en.wikipedia.org/wiki/CAD_standards

    Out Line 0.20 or 0.25 White, Cyan, Yellow, Blue Hidden Line 0.00 or 0.05 Blue, Gray, 241 Center Line 0.10 or 0.15 Green, Red, Blue Note 0.18 or 0.20 White, Cyan, Green, 41 Thin Line 0.00 or 0.05 Gray, 08, 111 Reference Line 0.000 Magenta, Gray Hatch Line 0.000 Magenta, Green, Gray, red Color-9 to 256 0.000 Dimension line Leader Line with Arrows

  7. Cartographic design - Wikipedia

    en.wikipedia.org/wiki/Cartographic_design

    Cartographic symbology encodes information on the map in ways intended to convey information to the map reader efficiently, taking into consideration the limited space on the map, models of human understanding through visual means, and the likely cultural background and education of the map reader. Symbology may be implicit, using universal ...

  8. Parallel rulers - Wikipedia

    en.wikipedia.org/wiki/Parallel_rulers

    Parallel rule in plastic with aluminum arms lying on a cutting mat. Parallel rulers are a drafting instrument used by navigators to draw parallel lines on charts. The tool consists of two straight edges joined by two arms which allow them to move closer or further away while always remaining parallel to each other.

  9. ISO 128 - Wikipedia

    en.wikipedia.org/wiki/ISO_128

    Further it describes basic conventions for lines, views, cuts and sections, and different types of engineering drawings, such as those for mechanical engineering, architecture, civil engineering, and shipbuilding.