If you put the handy Nauticam Bayonet mount on your housing to use the CMC lens or the WWL lens you'll find that the lens cap will no longer work, so this one
...Show more will go on the bayonet mount.
For best results I printed the bottom 6.88 mm at 20% infill then from there on up printed at 80% just so the tangs had some better strength for grabbing on to the assembly. I printed in PLA and it worked great.
