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Subject: 
Re: Minifig pirate hook hand
Newsgroups: 
lugnet.cad.dat.parts
Date: 
Thu, 29 Apr 2004 20:48:32 GMT
Viewed: 
2021 times
  
In lugnet.cad.dat.parts, Don Heyse wrote:
In lugnet.cad.dat.parts, Franklin W. Cain wrote:

BTW, along these lines, I've been meaning to ask something.  I need to
"squish" a quarter sphere (i.e. 2-8sphe.dat) so that the angle at the
pole of rotation is less than 90 degrees.  Any ideas?  I haven't been
able to figure out how to do this just yet...

You can't do it with a quarter sphere (because one quarter shears the
wrong way (but with an 8th sphere you can shear y and z for movements in x.
X is your pole of rotation.  This one shears y and z by 0.2 and scales
them by 0.5 to give a nice squished look.

1 16 0 0 0 1 0 0 -0.2 0.5 0 -0.2 0 0.5 1-8sphe.dat

Hmm, that one moved the end off the x axis.  Maybe this is more like
the shear you're looking for.

1 16 0 0 0 1 -0.2 -0.2 0 0.5 0 0 0 0.5 1-8sphe.dat

Don



Message is in Reply To:
  Re: Minifig pirate hook hand  [DAT]
 
(...) You can't do it with a quarter sphere (because one quarter shears the wrong way (but with an 8th sphere you can shear y and z for movements in x. X is your pole of rotation. This one shears y and z by 0.2 and scales them by 0.5 to give a nice (...) (20 years ago, 29-Apr-04, to lugnet.cad.dat.parts)

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