Yes of course you can – BUT you need to be aware that you need more fabric at the corners to work with than you think you might – so not one to be attempted if you are short of fabric!
You can also use more than one fabric – so a double or triple border with a mitre is also possible.
To see how easy this can be you can watch the video workshop with Valerie: click here
Here is a comment from one of our viewers:
Thank you Valerie for your tutorial on mitred borders. I was about to do them in my normal way of doing the double borders separately . Then I thought to check your way and yes, it is so much easier.