These are snowflake earrings, i have designed in several programs. I recommend printing them in a slow printspeed.
I have printed this model with white Ultimaker PLA. I have used a 0.2mm layer height and 18% infill. I have used a skirt and my printspeed was 30mm/s. I used a 0.4mm nozzle and my extruder was 210 degrees Celcius.
Raimon of IdeaLab