Updated: I improved the instructions and fixed a few errors. Please refer to this instructable instead:
I feel the tiniest bit like Houdini - I came up with a way to make the fabric box with no hand stitching and no seam binding...
Here we go
This is improved version 2.0 of the fabric box I tried to make in my other recent instructable: https://www.instructables.com/id/fabric-covered-storage-box-with-custom-dimensions/
. Forget that one and use this one instead. I think its much easier.