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# Why the body section doesn't stay squared ?

Hi All,

Simple try in sync.

I draw a rectangle, then set two consecutive sides as "equal", extrude the face and then pull one face. I expect the base of the body to stay squared but this is not the case.

What I am doing wrong ?

TIA

https://youtu.be/iLnFE3mZxd0

20 REPLIES
Solution
Solution
Accepted by topic author ABM
‎08-26-2015 04:32 AM

## Re: Why the body section doesn't stay squared ?

unfortunatly the equal relationship established in the sketch is not transfered to the sync part.

dont forget that fundamentally sync disposes of sketches and is there after driven soley by face sets.

here is only method to drive a square.:  http://screencast.com/t/zyiNeNTyP

But in this you have to have locked (driving) variables and thus do not get to drag the face.

Solution
Solution
Accepted by topic author ABM
‎08-26-2015 04:32 AM

## Re: Why the body section doesn't stay squared ?

Hi,

or You simply use the polygon function within sketch, draw a 4 sided polygon and extrude this one to Your block.

Using a polygon creates a 3D relation polygon, so that all 4 sides allways keep equal.

Same as having a hexagon profile

regards

Wolfgang

regards
Wolfgang

## Re: Why the body section doesn't stay squared ?

SHAZAM!!!  Tricky Tricky!!!

... SHAZAM ???

regards

Wolfgang

regards
Wolfgang

## Re: Why the body section doesn't stay squared ?

SHAZAM = AWESOME!

SHAZAM, AS IN...  ABRA CA DABRA = MAGIC!!!

... Thanks!

regards

Wolfgang

regards
Wolfgang

## Re: Why the body section doesn't stay squared ?

...

But the more important question would be:

"is there a way to create this polygon relation 3D manually?"

Or is this (using polygon sketch feature) the only way to success?

regards

Wolfgang

regards
Wolfgang

## Re: Why the body section doesn't stay squared ?

i dont know of any,  i think your method is quite sneaky...  i like it!!!

## Re: Why the body section doesn't stay squared ?

Based on this thread I started messing around with a simple cube. Now I'm befuddled once again by synchronous. In the attached part and photo why can't I change the one dimension? The other two have formulas setting them equal to the first.

Bruce Shand
ST9 MP3 - Insight - Win10 - K4200