Flexible arm holder

I love the old flexible desk lamps. So I thought I'd create a similar styled holder for my Kindle. Now, I know what you're thinking, they are not that heavy, but when I'm in bed, I can't get neck round to read it when it's on my chest.

At full stretch, this stand will lift the bottom of the kindle 100mm off the deck, more if you tilt it back a bit.... or substantially less if you wish.

It's also a piece of art on its own.

I then decided to make it a bt more generic as well.
**Too many parts!!!!**
Don't be too overwhelmed, there a few options to choose from. This was originally designed for my Kindle, then I realised I could make it a bit more generic. I started out with a honeycomb infill for the carrier, but realised that it looked cleaner without, so that became an option, and finally, I realised that friction fit wouldn't sit well with some, and doesn't with me if I need to glue things, so built the screw versions. All-in-all 8 carrier types, and 2 retainers. I should lo