This adapter is designed to install a 2.5" SSD in a PC chassis that uses a screwless hard drive mount. Be careful, check from the photo if this adapter is compatible with your PC chassis. Installing the SSD in the adapter also does not require screws. So this adapter provides a completely screwless SSD installation option. The model was made in the program 123D Design. The original model file is included. Use for printing PETG plastic or similar, resistant to bending. Good luck with your application.