AutoCAD 2010/2011/2012

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Member
IndianinZurich
Posts: 3
Registered: ‎07-09-2012
Message 1 of 5 (244 Views)

Drawing a pattern of cirlces

244 Views, 4 Replies
07-09-2012 06:43 AM

Hello,

I am trying to make a hexagonal lattice of circles (1 micron dia, period - 3 microns) and exted it over a square cm in area atleast. The final objective is to make this as a mask pattern for the Laser fabrication/writer. So I create the pattern over a small area and use array command to extend it over a finite area (~500 microns or so). I then combine these points to a single block and then use the mirror command to extend it even further. But as soon as I reach an area of 2.5 mm square, the program seems to slow down and doesnt respond. I assume this is the limitation of my computing power to handle so many objects at once. (I have 4 GB RAM and 97 % is utilized at this time). Is there a way to circumvent this computing limitation, making use of some facility/command within AutoCAD?

 

Any help or pointers would be greatly appreciated.

 

cheers

*Expert Elite*
pendean
Posts: 21,642
Registered: ‎11-06-2003
Message 2 of 5 (236 Views)

Re: Drawing a pattern of cirlces

07-09-2012 07:47 AM in reply to: IndianinZurich

>>>... 4 GB RAM and 97 % is utilized at this time...<<<

You answered your own question: what Windows version?

Dean Saadallah Blog | Facebook | Google+ | Twitter | PINS
Member
IndianinZurich
Posts: 3
Registered: ‎07-09-2012
Message 3 of 5 (211 Views)

Re: Drawing a pattern of cirlces

07-09-2012 10:57 AM in reply to: pendean

Windows 7 64 bit. The hardware is actually 5 GB RAM Intel core 2 Duo with 3.34 GHz

 

*Expert Elite*
heinsite
Posts: 877
Registered: ‎03-15-2008
Message 4 of 5 (206 Views)

Re: Drawing a pattern of cirlces

07-09-2012 11:57 AM in reply to: IndianinZurich

Try this:  make your very first pattern a block before you do anything further.  Then array and mirror further if you need to.  See if this saves memory.

 

Dave

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Dave Hein, P.E.
Member
IndianinZurich
Posts: 3
Registered: ‎07-09-2012
Message 5 of 5 (160 Views)

Re: Drawing a pattern of circles

07-11-2012 11:59 AM in reply to: heinsite

Thanks Dave and Dean.

I used a specialized design software for such repetitive pattern and got much better results.

 

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