Fans in neat lines - cause?
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by jules
I'm sure this has been answered before but I can't find the post. Why do some fans occur in neat lines - ie appearing to all start on a line.?
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by Sylverone
Also, sometimes these have wide origins. Should we just try to those down the middle with the fan tool?
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by jules
The blog has the answer - cracks can form as the frozen CO2 sublimates.
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