If you don't have a 3D Printer I can make it for you from my stores on eBay and etsy
etsy -
http://www.16bitgamestore.etsy.com/
eBay -
https://www.ebay.ca/usr/16bitvideogamestore
This is an apple pencil case which I made for a family member since they were still using the box it came with.
The author marked this model as their own original creation.