pants pattern alteration for longer crotch - position of dart centre line

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Thu, 06/09/2016 - 23:47
Clark_rowena
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Joined: 02/01/2013
Posts: 1

 

I have drafted the pants pattern with lower hip and upper hip line in parallel to each other.
I need to increase crotch length for fuller tummy.
I increase the crotch length on back while keeping side line length the same.  This insert V shape now means the upper hip line and lower hip line do not run parallel anymore.  Also the centre line of the darts does not run parallel to the grain line anymore.
I am changing the darts from one dart to two darts.  Does the centre line of the two dart run parallel to the original dart or should this be changed to run parallel to the grain line?

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Mon, 12/11/2017 - 11:20
#1
Nehzat
User offline. Last seen 40 weeks 2 days ago. Offline
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Joined: 10/27/2007
Posts: 1026
Re: Positioning the Second Dart on the Pants Block Pattern

Dear Clark_rowena,

 
There won't be any problem with the upper hipline and lower hipline not being parallel to each other, when you alter the pattern for a fuller tummy.
 
To position the second dart you draw the center line of the second dart parallel to the existing dart.
 
 
Happy sewing,
 
Nehzat

 

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