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Topic ClosedHow to draw irregular shape
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wtojp2013 View Drop Down
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Joined: 21.Oct.2013
Location: Hong Kong
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Points: 8 		Direct Link To This Post Topic: How to draw irregular shape
    Posted: 02.Apr.2014 at 06:26
Hi guys,

According to the provided  information. How can I draw the shape ?
Thank you.

Edwin
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philippe JOSEPH View Drop Down
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Joined: 14.Mar.2011
Location: France
Using: AutoCAD Mechanical 2017
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Points: 1481 		Direct Link To This Post Posted: 02.Apr.2014 at 08:03
Hello wtojp2013, I supose that this is exactly a "parametric constrains" test for you.
I don't know all about this but having tried it, it looks like you have to deal with a formula inside it.
 
I have done a file with constraints, can we see yours before ?
 
 


Edited by philippe JOSEPH - 02.Apr.2014 at 10:50
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Kent Cooper View Drop Down
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Joined: 12.Mar.2013
Location: United States
Using: AutoCAD2020, 2023
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Points: 683 		Direct Link To This Post Posted: 02.Apr.2014 at 15:12
This certainly doesn't do the whole thing for you, but it might give you something to start from:
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philippe JOSEPH View Drop Down
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Joined: 14.Mar.2011
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Points: 1481 		Direct Link To This Post Posted: 02.Apr.2014 at 15:47
Hello Kent and wtojp2013.
I have uploaded my test : SHAPE_01_A.dwg ( no chance with upload here ).
I'm not sure of it 100% because I don't know much about parametric constrain but I'm afraid that it did work
with nearly 2 clics with AUTOCONSTRAIN.
Maybe some parametric constrain specialst ( if exists ) could take a look and criticize it.
 


Edited by philippe JOSEPH - 02.Apr.2014 at 15:49
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dylhunter View Drop Down
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Joined: 25.Mar.2014
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Points: 10 		Direct Link To This Post Posted: 02.Apr.2014 at 19:00
 
Hope it's helpful for you.
 
Thanks,
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philippe JOSEPH View Drop Down
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Points: 1481 		Direct Link To This Post Posted: 02.Apr.2014 at 20:13
Hello dylhunter, your solution looks so simple that you could even go from step 2 to step 6 directly.



Edited by philippe JOSEPH - 02.Apr.2014 at 20:57
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dylhunter View Drop Down
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Points: 10 		Direct Link To This Post Posted: 02.Apr.2014 at 22:17

Yes. I just want to show the track of the end point. Actually, we can copy the dia. 22 circle to the end point of red line at step 3. then copy one red line to the intersection point. Done.
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dylhunter View Drop Down
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Points: 10 		Direct Link To This Post Posted: 02.Apr.2014 at 22:20
Sorry. Should be the rad. 20 circle. Not dia. 22 circle.
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wtojp2013 View Drop Down
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Points: 8 		Direct Link To This Post Posted: 03.Apr.2014 at 05:38
dylhunter,

Thank you very much. This technique is very useful for me.
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philippe JOSEPH View Drop Down
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Joined: 14.Mar.2011
Location: France
Using: AutoCAD Mechanical 2017
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Points: 1481 		Direct Link To This Post Posted: 03.Apr.2014 at 07:51
dylhunter and wtojp2013, I'd say that wtojp2013 and my method work the same in 2 steps.
wtojp2013 is purely geometry and works 100% without any problem.
It should be prefered to mine but if not applicable to a purely geometrical solution you could test it ( see the file : SHAPE_01_A.dwg in the AutCAD blocks library and tell me about it ).
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