Designed infusion 360.  I am a volunteer firefighter in the United States and designed this keychain for my key ring and firefighters worldwide.   Requires no supports.  Can be scaled up in slicer if you would like it bigger.  For single color printers add a pause at layer 17 to change color for the text.  Thanks for viewing and thank you for your service to your community and our brotherhood.  Please like, follow, rate and upload your makes.  Check out my profile for many other models.