more notebook cleanups, added some pre-build stl files

bencbartlett · Nov 11, 2021 · f7d98b4 · f7d98b4
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diff --git a/README.md b/README.md
@@ -8,13 +8,15 @@ Since I had a lot of fun with this project and because I love open-source code,
 
 ## Supplies
 
+- Python >=3.6 with the following libraries installed: `numpy`, `numpy-stl`, `matplotlib`, `hexy`, `vpython` (the last one is optional if you don't care about rendering the debug visualizations)
 - A 3D printer
   - I used a Creality Ender 3 v2 which I was reasonably happy with, but any FDM printer with a reasonable build volume should work fine.
 - PLA filament [[amazon.com/dp/B01EKEMFQS]](amazon.com/dp/B01EKEMFQS)
 - 1-inch hexagonal mirror tiles [[amazon.com/dp/B08CSCNT86]](amazon.com/dp/B08CSCNT86)
 - Cyanoacrylate glue [[amazon.com/dp/B01LYO4R4I]](amazon.com/dp/B01LYO4R4I)
   - It is important that you use glue that doesn't expand when it cures or it will mess up the very sensitive mirror angles! A very thin coating of cyanoacrylate glue is sufficient to hold the mirrors in place.
-- Python >=3.6 with the following libraries installed: `numpy`, `numpy-stl`, `matplotlib`, `hexy`, `vpython` (optional if you don't care about rendering the debug visualizations)
+- Optional: some hair spray or 3D printing adhesive spray (to keep large prints from warping)
+
 
 ## Computing the mirror angles
 

diff --git a/mirror_array.ipynb b/mirror_array.ipynb
diff --git a/stl/hex_prism_grid_single_focus.stl b/stl/hex_prism_grid_single_focus.stl
diff --git a/stl/mirror_array_heart.stl b/stl/mirror_array_heart.stl
diff --git a/stl/mirror_array_heart_wall.stl b/stl/mirror_array_heart_wall.stl
diff --git a/stl/mirror_array_section0.stl b/stl/mirror_array_section0.stl
diff --git a/stl/mirror_array_section1.stl b/stl/mirror_array_section1.stl
diff --git a/stl/mirror_array_section2.stl b/stl/mirror_array_section2.stl
diff --git a/stl/mirror_array_section3.stl b/stl/mirror_array_section3.stl
diff --git a/stl/mirror_array_section4.stl b/stl/mirror_array_section4.stl
diff --git a/stl/mirror_array_section5.stl b/stl/mirror_array_section5.stl
diff --git a/stl/mirror_array_section6.stl b/stl/mirror_array_section6.stl
diff --git a/stl/mirror_array_single_piece.stl b/stl/mirror_array_single_piece.stl