Print it with supports. You need a bit of electronic knowlege, but in youtube it's possible to find tutorials how to attach a resistor between a led and a 9v battery in this case. A soldering tool is needed. The components i descrived in the picture you can easly find in Aliexpess of Bangood. The space between components is small but the picture shows how long wires are more or less. For better results color it with acrylic spray can.