13 things to 3D print for Halloween

Fire Horns

The design for three different kinds of LED fire horns are available for download on Thingiverse. They're hollow so you can fit a strip of LEDs inside to light them up.

Image: Adafruit/Thingiverse

By Lyndsey Gilpin

Lyndsey Gilpin is a former Staff Writer for TechRepublic, covering sustainability and entrepreneurship. She's co-author of the book Follow the Geeks.