The H-Factor

Reducing Entropy

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Adding Hanger Types to HydraLIST

If you want to use a new type of hanger, or are a fab shop that gets a job from a contractor that uses a hanger type that you do not have, it is easy to add that new hanger type to your own machine. A hanger is an assembly, and an assembly is just…

by art July 31, 2026

Welcome

Recently our previous blog service (Typepad) ended their business – so, we have a new home. It will take a bit to get images back and displaying properly, but we are working on it! Final pageview count of original Typepad blog: 387,232

by art October 20, 2025May 21, 2026

Using a Non-Standard Pipe Type in HydraCALC

A customer called today asking how to enter a 1″ black plastic underground pipe for the calc. This particular situation sounded unique enough that I did not tell him to add that pipe type to our database, as I would have if he expected to see this pipe type used repeatedly. I told him to…

by art May 6, 2025May 21, 2026

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Using Grips to Move Multiple Objects

October 21, 2014

Grips, IMHO, are the best thing AutoCAD ever added to their program. When they first came out, everyone freaked out (myself included) and we turned them off until we got a better, um, grip on them.

Many (most?) people use grips to move a single object. But, they can be handy to use many objects at once, too.

Look at the image below. All four heads are amongst lights, and I want to move them all down 16 inches:

Pick each item to highlight it:

Now, hold the SHIFT key down and select each of the four grips, then release the SHIFT key:

This makes each grip be a ‘hot’ grip. You can now pick any one of them to move all four items at once:

Wih ORTHO on, I point down and type in 16 and press enter to move the heads that distance

Try it out!

Posted in HydraCAD