Seasons greetings!
Here is how to 3D-Print a JMIR Holiday Ornament for your Christmas tree - simply print out the two halves of the ornament and glue them together!
a. Tinkercad file
To modify and design your own ornament, have a look at the Tinkercad file.
https://www.tinkercad.com/things/5xtLxjmqujd
b. 3D models (STL Files)
Download the following STL files and send them to the slicer of your 3D-Printer
c. Sliced 3D models ready to send to the 3D Printer (GCODE)
Here are already sliced files for the Creality Ender V2 3D printer: