Update 29.09.25: I have uploaded a 5 slot version, along with the fusion file. 

I have made it so that the model automatically adjusts to the number of slots, so just edit “SlotNo” and then export to STL. 

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Like for the PS Vita, I was looking for a nice way to store my PSP games with their cases but couldn't really find anything. I do really like these other design UltiMerel made for their games though, and have printed it for 3DS, so I thought it would be a good idea to resize it for PSP games/ UMD cases. 

I'm unsure if the cases vary by region, these where sized around Australian releases.