EDIT- I have been using custom support under the two arch's with some success. Not 100% needed but nice.
Taking inspiration from a couple different models on here but made my own. Changed a few things to make it easier for my use. I have made a bunch and will include a blank and some of what I have done.
I designed them to be a very snug fit to survive what the cases typically go through and added some larger clips. I have had to bend them slightly to get them in and they spring back into place.
Text is editable and can be resized to fit. I didn't add a blank template as then its hard to edit the text.
Prints without any support. A little bit of springs but doesn't affect the use and could be cleaned up with a knife if wanted. I print them words down, Run 2-4 layers of black and then pause to switch to white. It allows for visible lettering without hassle.
The author marked this model as their own original creation.