Memory Cards... as they grow large in storage capacity, they are gradually replacing other form of media storage. It is not unusual to have lot's of them everywhere, (except where you need them !!) Use this case to organize and store your cards. up to 10!! The file is ready to print no support needed.Designed by: Emmanuel AdetutuDesigned with: Sketch up.Step 1: Download 3 file (stl).Step 2: Print 3D file.Step 3: Fill with SD card case.Buzz .. if you need the skp (sketchup file).