A while back, I shared the design of my Sloffies. I had such an overwhelming positive response from the 3D printing community that, as a small thank you, I designed the packaging into a keychain. It prints without supports.  

sloffies_packaging_keychain_top Print Settings

Wall Line Count - 3 Top Layers - 4 Bottom Layers - 4 Infill Density - 15%  

sloffies_packaging_keychain_bottom Print Settings

Wall Line Count - 3 Top Layers - 4 Bottom Layers - 4 Infill Density - 15%  

sloffies_packaging_keychain_insert Print Settings

Layer Height - 0.15 Wall Line Count - 0 Top Layer - 2 Bottom Layers - 2 Infill Density - 30% Infill Pattern - Gyroid Combing - Off  

Thank you for supporting my design. I really appreciate it.