As 1100.101 1992 Technical Drawing General Principles.pdf Access

Hand-drawn or computer-generated, letters and numerals on a technical drawing must be distinct and uniform. This section sets out the requirements for the characters used for notes and dimensions, ensuring no ambiguity arises between, for example, the letter ‘O’ and the number zero (0).

AS 1100.101-1992 serves as the foundational Australian Standard for technical drawing, defining essential conventions for line types, lettering, sheet layouts, and projection methods to ensure uniform interpretation across engineering disciplines. The standard emphasizes the use of third-angle projection, ISO 'A' series paper sizes, and precise dimensioning techniques to eliminate ambiguity in manufacturing and construction documentation. Share public link

| Aspect | AS 1100.101:1992 | ISO 128 / AS 1100:2018+ | |--------|------------------|---------------------------| | Projection | First or Third allowed | Third Angle (in Australia) | | Units | mm assumed | mm assumed | | Line types | Some local preferences | Aligned with ISO 128 | | CAD focus | Limited | Full CAD & model-based definitions (MBD) | AS 1100.101 1992 Technical drawing General principles.pdf

If you are looking for specific guidance on dimensioning methods or line types for a project, I can provide more detailed information on those sections.

Sets out requirements for distinct, uniform lettering and numbering. Clear, legible text is essential to prevent misinterpretation of dimensions or notes, and this section provides exact guidelines on character style and size. Hand-drawn or computer-generated, letters and numerals on a

Dimensions dictate the size and location of features.

In 2014, Standards Australia released AS 1100.101:2014. This caused confusion. Is the 1992 version dead? The standard emphasizes the use of third-angle projection,

When a view is drawn to a different scale than the rest of the drawing, the scale must be noted immediately below that specific view (e.g., "DETAIL A SCALE 2:1").

This is arguably the most visually crucial section. AS 1100.101 specifies multiple types of lines (ranging from A to H) that convey different meanings. According to the standard, no line shall be thinner than 0.18 mm after final reproduction. Typical applications include:

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Because AS 1100.101-1992 is a copyrighted publication of Standards Australia, it is from unauthorised sites. However, legitimate copies of the PDF can be purchased or accessed through several official channels.