Laser Cutter Build Documentation

Building the HEPA filter box - Part 2

«  Building the HEPA filter box - Part 1   ::   Contents   ::   Installing filters into the box  »

Building the HEPA filter box - Part 2

Varnishing the box

Spray exterior and interior with 2-3 coats of Spar varnish.

_images/varnish_1_2.png

Thread inserts, foam tape and velcro

Install the 20 x 8-32 thread inserts

_images/thread_inserts_3.png

Place adhesive-backed foam along the edges of the top.

_images/thread_inserts_2.png
_images/thread_inserts_1.png

Apply velcro to the inside of the box

_images/velcro_1_2.png

«  Building the HEPA filter box - Part 1   ::   Contents   ::   Installing filters into the box  »