Finally finished this a few weeks ago, and am getting a picture posted.
The name of the pattern is Disappearing Nine Patch, and so much faster to piece than one might think at first. Sample instructions can be found here:
Fabrics are from the Basic Grey collection from Moda, which appeared to be here yesterday/gone today. Getting harder to find, as I discovered when needing to fill some things in. 😉 So nice to work with, however…
April's Atelier 
So pretty! I’m glad your dad likes it! 😉
Thank you!
Who can’t not like a quilt LOL? 😀