# 3-D geometry problem using Gambit [pls help]

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March 20, 2010, 08:20
3-D geometry problem using Gambit [pls help]
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Join Date: Jun 2009
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Hi there,

I'm trying to draw this orifice using gambit (as attached image), and so far I couldnt figure out a way to draw it. Basically the "black rectangular shapes" are perforations on a single plate. I know the size of each of the perforations but just dunno how i should arrange them in such an arrangement.

Does anyone have any suggestions? Thanks.
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 orifice.JPG (9.6 KB, 11 views)

 March 20, 2010, 11:20 #2 Senior Member   Join Date: Nov 2009 Posts: 411 Rep Power: 11 Hello, you have 3 concentrical "rows", take for example the internal circle, draw manually one of the shape and copy and rotate this 10 times (or the number of holes for this circle). Probably you have equal spaces between the holes, so you can use some constant angle increment like 360/10=36 degree for the internal circle. Same for the other 2. Do

 March 21, 2010, 10:33 #3 New Member   Join Date: Jun 2009 Posts: 9 Rep Power: 8 hmm... will try using the angles.... thx =)

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