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**Andrew K** · December 14, 2011, 12:27 PM

Arrays can't be less than 2. I generally create instances like that by cloning out the family. One family has the single instance and the other has the array.

Edit:::

I suppose you could add in an if() statement for if the array so that if the value goes below 2, make it 2 but have a length parameter move the void array out of the model and slide another void into its spot with another length parameter to cover the single instance.

**snowyweston** · December 14, 2011, 01:09 PM

Andrew's got it - it's all about conditional statements controlling "rule" parameters (either lengths or, as I prefer, visibility).

Dan (unintionally I'm sure) opened a can of worms on the subject HERE

And welcome to the forum BTW! :thumbsup:

**ekkonap** · December 14, 2011, 01:15 PM

n (integer parameter driving the array)=if(formula to determine n < 2, 2, formula to determine n)

the rest is redundancy and visibility parameters.

see example.

**mdradvies** · December 14, 2011, 11:00 PM

Care to tell everyone that all this is done cause someone (not saying it's you) wants this perfect little insulation hatching....
oops... :laugh:

Seriously: I teach this example in my classes always. It's completely retarded to go through all that trouble but it's a nice excersize in family creation.

**ekkonap** · December 15, 2011, 06:35 AM

Originally posted by mdradvies View Post

Care to tell everyone that all this is done cause someone (not saying it's you) wants this perfect little insulation hatching....
oops... :laugh:

Seriously: I teach this example in my classes always. It's completely retarded to go through all that trouble but it's a nice excersize in family creation.

Just wait till I get it to miter

Still, as long as I'm doing details in 2D I do care about a clean look. Makes the drawing much more legible. Plus, it rotates!
Final argument is the best though: unless I were to get very unfriendly, this will save me the time spent arguing against it.

**snowyweston** · December 15, 2011, 08:06 AM

Wait one second, Ekko are developing a line based component for insulation batting?!? :crazy:

**ekkonap** · December 15, 2011, 08:14 AM

Originally posted by snowyweston View Post

Wait one second, Ekko are developing a line based component for insulation batting?!? :crazy:

No, I am not. I was, last friday afternoon. Next time I can spare an hour or so, I'll get the mitering bit done.

**mdradvies** · December 15, 2011, 06:32 PM

Originally posted by snowyweston View Post

Wait one second, Ekko are developing a line based component for insulation batting?!? :crazy:

Yup, but he's not alone... Did you know this is always in the first 3 questions I get when I do a demo? "how do we draw a proper insulation". Like I said, completely retarded... Even worse: it's an official dutch (cad)drawing regulation. Needs to look like this. Personally, I think they should stick it... But that's just me. Once you are legally bound by contract to have your drawings follow the official standards you're screwed...
Nonetheless, I like my drawings to look nice and clean too. That's why I make a good habit not to sneeze on my screen :laugh:

**ekkonap** · December 16, 2011, 07:21 AM

Originally posted by mdradvies View Post

Yup, but he's not alone... Did you know this is always in the first 3 questions I get when I do a demo?

Frustrating isn't it. Almost enough to just get it over with. Anyway, I think this was the first time I used formula's to drive formula's in a nested family. Has potential. Beware though: tangents are a pain in the [MdR regulation storage facility] when driving other formula's.

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