I too have looked into Brodit's phone holders but found them too expensive. I know it isn't really what you were looking for but I have an OSO Grip that I have mounted to the dashboard, not the windscreen. It doesn't get in the way and hasn't fallen off once in the two years I've had it, despite my dashboard not being flat nor smooth. Or have you looked into any of the mounts that fix onto the vents? Despite all this, I love your kydex idea and I'm hoping it goes in this direction so I can copy it Sent from Catherine's iPhone using Tapatalk.