Sony Style NP-F battery cover - 3D printed with compliant clip.

STL file here: www.thingivers...
There are a lot of different NP-F style batteries, differing mostly by how tall they are (taller batteries have more capacity) but the bottom attachment plate is the same across them all. Some common battery sizes are: NP F980 F970 F975 F960 F950 F930 F750 F550