SD-card holder clip-on for 3 1/4 floppy

My father had the idea of using old floppies together with the storage cases to categorize SD cards. I went designing the holder and this is what came out.

All holders are pretty much untested or need refinement, but V2 works quite well (V3 hasn't finished printing yet.)

V1 and V2 need the extra pocket, but can be printed laying flat. V3 needs to be printed with support material or upside-down like the file provided.

Version history:

V1: Proof-of-concept, initial version
V2: Modifi