The Answer.
Also, just having fun trying out a some 3D CAD and printing ideas. More versions on the way.
This version has a nice "floating text" effect.
OnShape 3D CAD files :
Print in PLA in two different colors using the 3mf files provided.
The "cap" is a tight fit but it will go into the frame with the careful use of excessive force!
The author marked this model as their own original creation.