A1 With plastic Shim

I liked the A1 new corner idea quite a bit - but I hated the thought of having to drill in and get a metal shim. I also hated the idea of needing to raise the glass. This removes that need!

So what I did instead is develop a shim from the outside. I had alot of 3mm screws that the A1 used, but I bought a box of 100 screws (M3 -0.50 x 20 m) and 100 nuts of them from Amazon ($5 each), which you may need. Now you still tighten the corners as described by the previous version (not too tight?) bu