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"jhess169" <I
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just finished installing IV7 on my new computer and I am having a problem
sketching the starting profile for parts. I like parts to be symmetrical
around the 0,0,0 point. When a build a part, for example a simple rectangle
bar, I first draw the rectangle using normal lines and then draw 4
construction lines between the 0,0,0 point perpendicular to each of the four
sides. I fix the endpoints of the construction lines to the 0,0,0 point and
set an equal constraint between the each line and the line directly opposite
it. I then use a midplane extrusion to generate the solid part.
This technique has worked well for me until IV7. It will not let me put the
equal constraint on the construction lines. I can drag the lines approximately
equal or use dimensions to make them equal, so I know that there is not some
other constraint causing trouble. IV7 keeps telling me that adding the equal
constraint will over constrain the sketch.
Has anyone had similar trouble? Am I too particular about how my models are
built?
Jeff
IV7 SP1
Windows 2000 SP4
Pentium 4, 2000 hz
512 meg
Ram