The H-Factor

Reducing Entropy

Recent Posts

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

January 2009
M	T	W	T	F	S	S
	1	2	3	4
5	6	7	8	9	10	11
12	13	14	15	16	17	18
19	20	21	22	23	24	25
26	27	28	29	30	31

about

Using an Irregularly Shaped Window to Select Objects

January 22, 2009

Way back since AutoCAD 2000 or something, it has been possible to select objects using a non-rectangular window. When you use MOVE, COPY or whatever, type in WP or CP (for Window Polygon or Crossing Polygon). You will be able to select using a selection 'box of almost any shape, juse pick as many points as needed to define the area and press Enter when done. This is especially handy when you have a building on a 45 degree angle.

Posted in HydraCAD