One of them seems a bit hollow-winged, but overall I love the design! Smooth, symmetrical, strong in color... looks great.
This is pretty good stuff. The designs are nice though I am curious about why the left butterfly has almost no wings.
Simplistic, yet a total visual feat. Would love to see what you'd be able to come up with if you were given a more complicated design though. Neat job you've done here and be sure to check out my art as well!
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