Fire Safe Mosquito Coil Holder

This device is an enclosure for a mosquito coil. The device allows oxygen in and smoke out, but inhibits sparks or hot ash from escaping the enclosure. The lid is secured in place to prevent it from falling off if the device is knocked off a table. This device should be made of PLA. PLA tends to self-extinguish in the unlikely event that the coil develops a flame (check out these electrical boxes made of PLA: http://www.schneider-electric.com.hk/documents/local-documents/automation/45@tbllocalca