Yes, the shop is becoming a great place to work. I spend a lot of time there, so I try to make it as comfortable as possible.
Here's some pics that show the basic steps in putting together a holster.
This is the basic cut out of all the pieces needed:

The gluing/sewing on of the reinforcement band and belt slide piece:

The gluing of where the two sides will meet:

The sewing of where the two sides meet:

The beveling of the edges, as part of the slicking of the edges:

The wet-molding of the holster to the gun:

The finished holster after being dyed and final finish applied:

There are a couple of other "processes" that occur during all of this, but these are the basic steps in making the holster. Each holster maker may have variants on how they get from the beginning to end, but there are a lot of similarities, too.