Keychains for use with your smartphone.
Small, practical and fun keychain with different forms of animals. In addition to making a keychain, you can ...use it to stand the smartphone. https://youtu.be/l-9AErgYxBw
I use this filament: http://recreus.com/es/
Advise: Filaments may break and stay inside the smartphone
3d model print parameters
Printer: Hephestos I prusa i3