Mom Frame
Free     Thingiverse     ecarpenter2

Mom Frame

I was inspired by another stl found here which was a heart frame our of Love So I made a mothers day one It fits a 65x65 heart lithophane from lithophanemakerscom A great site It just requires a little sanding to get it to fit snug ...

similar models —

Mom Frame alternatives
Mom Frame Revised
Sixty5_ROS3S
Frame two lions
FP-Creator
Frame
Oxa