My question is more general than the example. But suppose I have enter image description here The colors here are transparent.

Using the Merge Shapes-> Union option in Powerpoint for the two orthogonal sheets, I get

enter image description here

My goal is to get the following without using the line tool

enter image description here

keeping the colors as transparent as they are. Is there something I can use to hide the portion in the overlapping area on merging while keeping the colors transparent?


1 Answer 1


Use 3 shapes:

enter image description here

These have only the right layering order. The darker shapes are identical, but the upper is brought to front and the lower is sent to back.

You must define edge color if the fill colors must be equal.

The case needs more if the fill colors must be transparent and no visible overlap is allowed. The overlaps can be removed with boolean subtract. Here's another attempt with it:

enter image description here

The cyan parts are transparent, the yellow shape in the background is there only to show it.

It has still 3 parts. A copy of the horizontal part is subtracted from the lower vertical part and a copy of the upper vertical part is subtracted from the horizontal part. As exploded the parts after subtractions are these:

enter image description here

Just in this case no subtraction is a must, the parts can be also deformed with point edits or they can be drawn from scratch to their right forms. With grid snap that should be no problem.

BTW your first image would look more right than this if it had strong enough diagonal in the overlap rectangle. Two transparent parts layered should be less transparent and it happens in your 1st image.

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