I've been working on trying to make some pseudo 3d boxes/cubes etc. Having a rhombus or parallelogram shape and a trapezoid shape would do wonders! I tried making them with the triangles but they just wont match up correctly. I was able to come up with an open treasure chest that I think is pretty darn cool though.
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Also,
Somebody You may already know this as well but I came across another bug. Opacity levels aren't being exported with the png files.