Stripes appearing on rendered objects? I just started out learning Blender and when I tried to render my images, a pattern of stripes appear on my objects. What causes this?



Just to note I used 1000 sampling in this render since I before I encountered a noise issue.

The image I used in the UV editor is this one:



As you can see there are no white stripes in the image that I used.



BlendExchange did not work for me so here is Wetransfer

what am I doing wrong?
I'm assuming you sent the real texture.

Your texture is a png in a particular case: it is an index image.

The index image has a short Color Table, only 256 colors.

You have a pink gradient using a too limited number of colors.

I'm sending an image showing the problem when I changed the Color Table. Note the stripes are only affecting the pink colors.

To solve it, use the original file in RGB mode.

You cannot use the index file to conver to RGB, because you cannot bring back the colors you lost when you converted it to Index Mode.




Extra info:

This particular case was caused by converting from Illustrator to PNG.
Illustrator does not render gradients properly when exported.
It's a good practice using a raster-based program to make gradients.