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CAD: computer-aided design, computer-aided drafting; cadmium [plating]: CAGE: Commercial and Government Entity [code]: A CAGE code is a unique identifier to label an entity (that is, a specific government agency or corporation at a specific site) that is a CDA, ODA, or MFR of the part defined by the drawing.
Freehand lettering is done without the assistance of tools. To regulate lettering height, commonly 3 mm (1 ⁄ 8-in), guidelines are drawn.Mechanical lettering is done using tools such as lettering guides, templates, or using a small mechanical pantograph referred to by the Keuffel and Esser trademark "Leroy"
ISO Lettering templates, designed for use with technical pens and pencils, and to suit ISO paper sizes, produce lettering characters to an international standard. The stroke thickness is related to the character height (for example, 2.5 mm high characters would have a stroke thickness - pen nib size - of 0.25 mm, 3.5 would use a 0.35 mm pen and ...
Software allows users to view and annotate electronic drawing files. Construction crews use software in the field to edit, share, and view blueprint documents in real-time. [15] Many of the original paper blueprints are archived since they are still in use. In many situations their conversion to digital form is prohibitively expensive.
A set of plans can be on standard office-sized paper or on large sheets. It can be stapled, folded or rolled as required. A set of plans can also take the form of a digital file in a proprietary format such as DWG or an exchange file format such as DXF or PDF. Plans are often referred to as "blueprints" or "bluelines".
Based upon standard mapping symbols, these markings usually designate man-made structures that may be identifiable from the air, including: Major roadways, with or without showing route numbers (solid lines) Railroads, bridges, viaducts, dams (black lines, railroads with cross-hatching)
2.5 to 7 millimetres (0.1 to 0.3 in) lettering guides for technical drawings Lettering pens for lettering guide template. A lettering guide template is a special type of template used to write uniform characters. It consists of a sheet of plastic or other material with cut-outs of letters, numbers, and other shapes used especially for creating ...
ISO 14617 Graphical symbols for diagrams is a library of graphical symbols for diagrams used in technical applications. [1] ISO 14617 consists of the following parts: Part 1: General information and indexes; Part 2: Symbols having general application; Part 3: Connections and related devices; Part 4: Actuators and related devices