Holiday Card Pin
thingiverse
We had something similar to this as kids. Print a half dozen in holiday colors and find a string. You can use these small pins to hang your Christmas cards or other things.
Download Model from thingiverse
With this file you will be able to print Holiday Card Pin with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Holiday Card Pin.