Yet another bag clip...

Completely symetrical... print the same piece twice, get a rubber band and you're good to go. Many desings, including a blank one and the CAD file (Fusion). Instructions for printing the fire multi color clip on single extruder printer: load the 3mf file in Cura select all objects, right click, merge rotate and position accordingly right click, ungroup delete the main body (leave only the colored parts), save gcode undelete the main body (CTRL-Z), delete the colored parts, save as gcode print the colored parts gcode (only 0.2mm thick), leave the colored parts on the bed print the main body gcode around/over the colored parts