Lines in .png exports

As mentioned before, I’m using Shapr3D to create CNC carvings. I currently can not afford the .stl import software for my machine. So, I create in Shapr then export a .png that I want to import to my software. However, when I export there are lines in the objects that the carving software will cut into the wood. Is there a way to export clean .png files without these lines?

See the below pictures for the evidence of the problem.

Thank you!

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With the current version of the app (2.2.6), you can’t hide those lines during png export.