In previous posts I've shown how I used velcro to fasten the Milestag sensor domes to baseball caps. I originally started sewing these in place, but my wife saw what a mess I was making and did it properly for me.
The problem is that as I print more Milestag guns she hasn't got the time to sew all these velcro patches in place, so I had to look for an alternative method.
Initially I tried fabric glue. At first this seemed promising but failed completely when the caps got wet. I decided to try snap fasteners. These are frequently used on boat and convertible car canopies, and can be held in pace with with rivets or screws.
I designed a new RepRap'ed dome mount with placements for two fasteners held in place with short self tapping screws:
I used two fasteners to prevent the domes from rotating. Here it is with the sensor PCB in place:
This is a much faster way of attaching the domes. No sewing or waiting for glue to dry. It takes about 3 minutes to punch a hole and rivet the stud to the cap.