Problem: The picture below shows apparently false defline (Dline) errors. What's up with those? Cause: Look at the riser nipple 'clam-shells'. The opening does not line up with any piping. The user inserted the riser nipples and then rotated the drawing. (side-note, he should have just changed his crosshairs to align with the sloping building…

From a Customer: Q: Is there a setting that allows you to put the inch mark (“) after pipe sizes? Some of our drawings have the inch mark and then newer drawings leave the mark off? A: Yes. When you start a new drawing, there is a place there for adding a suffix. If you…

One more nice thing about AutoCAD 2011. If you create a Polyline it automatically has extra vertices added between each segment: Notice the different-looking grips in the picture below. If you hover over a grip at the end of a segment you will be given the option to Add or Remove a Vertex whereas in…

This problem is not what it might seem at first glance. While it is true that the water supply block may not be at the end of a pipe, it is more likely that the riser nipples somewhere in the grid (it is usually seen in a grid) are set to User Specified when they…

Many of us use Copy and Paste in AutoCAD. Often when using Paste, we try to eyeball and line up the block we are pasting, or use osnaps. But there is a better way. Example: Say you need to Copy the plan view of a stairway detail from one drawing to another, and naturally, you…