Heart of Hearts
thingiverse
My wife found a similar thing on Pinterest which was made of paper, mounted on cardstock and framed. approx 7" x 7"
Download Model from thingiverse
With this file you will be able to print Heart of Hearts with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Heart of Hearts.