export object mosaic

[Cheezecake27616320sen4]

Hello, could someone help me with exporting this object mosaic I made without loosing the quality? 

I posted a picture of what it looks on illustrator and how it looks when I export it as png. 

[Ton Frederiks · Accepted solution]

Did you try Art Optimized for anti-aliasing in the PNG settings?

[Omar.Fathy · Accepted solution]

If you mean the judged edges of the image, try to select Art Optimized (As @Ton Frederiks said) when you use:
File> Export> Export as