I'm working on a file that I found on Thingiverse. I'm just trying to customize it the way I want to use. The final shape is as in the STL file I'm going to share. But I'm also sharing an image file where I'm showing 3 different sides and on these sides, I marked some spots where I can't get rid of misalignement. No matter what I do here, It's never all straight. Can anybody help me? Would it be difficult for you to just open the file on tinkercad and try if you can fix those sides? I'd be very appreciated.
You can access the STL file from here: https://www.dropbox.com/s/en6akqqux0r6rfp/bottom.stl?dl=0