About this 3D model

You'll need this print and one Pneumatic 12mm-1/4" BSPT male fitting I printed with to shells just incase. 1. Finish printing and while still hot heat up a fitting of size 12mm-1/4" BSPT 2. Once the fitting is hot it should screw right on. The first i printed was a little to tight so i lite it up quickly and attached a preheated fitting. 3. Seal it and attach as you see fit, FIY. Some casket sealing and some cable ties might give you a perfect fit, further more this have a hole for a set screw near the top.