I created a “Ring the Bell” sign you can display on the wall or poke a hole through it to use as a keychain or necklace. I added an STL, 3mf and gcode if you just want to print it directly.  This was made on an Ender 3 S1 with PEI bed and variety of PLA brands. 

Things to note:

• I enlarged the 3mf and gcode 150%. When you change the size you will need to add a “Change Filament” or “Pause” code to each color change. You will start with the color white.
  • Change 1: Blue
  • Change: 2: Red
  • Change 3: White
• .2mm layer height 
• 5% Gyroid infill
• 55mms/ print speed
• Temps: 205 nozzle/ 60 bed