PCAD+

Although it can take many hours or days (or weeks) to accomplish a large chunk productive work in AutoCAD, you can accidentally undo it all (and that of your colleagues!) in minutes. Follow these guidelines to avoid doing harm to the hard work of others and the productive potential of yourself. Be precise Using precision techniques such as snap, object snaps, and typed coordinates is a fundamental part of good CAD practice. Don't try to use AutoCAD like an illustration program, in which you eyeball locations and distances. Use one of the many AutoCAD precision techniques every time you specify a point or distance. Control properties by layer AutoCAD gives you two different ways of controlling object properties such as color, linetype, and lineweight: by layer and by object. Unless you have a really good reason to assign properties by object — such as instructions from your company's CAD manager or the client for whom you're creating the drawing — use the by-layer

Problem: Using “dimalign” command but text is not align with the dimension line when you stretch to left or right. See the image below. But you wanted to align the text with the dimension line. See the image below. Solution: Type” D” (without the quotes) for Dimension Style Manager, clicks Modify and chooses the Text tab. In-text alignment, choose Aligned with dimension line. That’s it. See image below. Does it make sense? Anyone can share your ever secret tips. Be a guest blogger for AutoCAD.

How to isolate objects and hide it. 1. Type the " isolateobjects " in the command line (without the quotes). Select the objects you want to isolate.  2. Another options select first the object you want to isolate. Right-click in the drawing area and select Isolate Objects. Only the selected objects are displayed. All other objects are hidden. 3. To redisplay hidden objects, right-click in the drawing area and select Isolate End Object Isolation. Its same process with hide object 4. Select the objects you want to hide.  5. Right-click in the drawing area and select Isolate Hide Objects.  6. The selected objects are hidden. (It’s like the command action of layoff) 7. To redisplay hidden objects, right-click in the drawing area and select Isolate End Object Isolation.  Try to save, close, and reopen your drawing, the object is still there the time you isolate or hide.  TIP: Before hiding or isolating objects, set OBJECTISOLATIONMODE to 1.