By R. Khouri, May 2017 When creating AutoLISP routines, the programmer should keep in mind not only correct syntax, but also a well-structured program that is easy to comprehend, forgiving of mistakes, easy to debug, and easy to edit. Formatting You can format manually while you type. But Visual LISP includes helpful formatting tools. They automatically insert tabs and spaces … [Read more...] about Good AutoLISP Programming Techniques
Anonymous Blocks in AutoCAD
Written By Allan using AutoCAD 2004"AutoCAD uses anonymous blocks for supporting hatch patterns and dimensions. These types of blocks are also created using AutoLISP or similar means, but cannot be intentionally created in the drawing editor. Also, anonymous blocks cannot be modified using AutoCAD editing commands." - www.autodesk.com.auWhat are the Types*U### = anonymous … [Read more...] about Anonymous Blocks in AutoCAD
Charge of the Light Brigade
A snippet from Alfred, Lord Tennyson’s Charge of the Light Brigade; Ours is not to reason why Ours is to draw Then modify … [Read more...] about Charge of the Light Brigade
Useful Links
www.cad-corner.com The sister website of cadcorner.ca except it's for the USA. www.structuraldrafter.com Resources for the draftsperson drawing structure. Free AutoCAD blocks, Revit families, LISP routines, Apps, How to articles. www.cadtutor.net CADTutor has been around for many years now and is still standing by its motto of "The best free help for AutoCAD on the web". … [Read more...] about Useful Links
What are the basic welding symbols?
By DGMWelding symbols used in Australia are based on the Australian Standard AS 1100.101-1992. You can research the full range of welding symbols in the Engineering Drawing Handbook produced by Standards Australia and the Institution of Engineers.Here is a selection of basic symbols to learn as a first step.Weld finishes (contour)With butt welds the welding symbol will tell you … [Read more...] about What are the basic welding symbols?
The Metric Prefixes
PrefixSymbolFactorValueteraT10 to power of 121,000,000,000,000gigaG10 to power of 91,000,000,000megaM10 to power of 61,000,000kiloK10 to power of 31,000hectoH10 to power of 2100decaD10 to power of 1x--10 to power of 01decid10 to power of -10.1centic10 to power of -20.01millim10 to power of -30.001microµ or u10 to power of … [Read more...] about The Metric Prefixes