Ridges or valleys?
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by Pertea
Are these wrinkles ridges or valleys? Perhaps due to compression or shrinkage? Note the odd shape a tad to the left of the middle of the bottom right quarter!
Posted
Planet Four Talk
by Pertea
Are these wrinkles ridges or valleys? Perhaps due to compression or shrinkage? Note the odd shape a tad to the left of the middle of the bottom right quarter!
Posted