Case: 12 inserts, M3x6 for the display

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

case/README.md

@@ -27,13 +27,13 @@ works if the case stays out of the sun.
 
 ## Hardware
 
-- 10 × M3 heat-set inserts (about 4.6 mm OD, 5.7 mm long; the holes are 4.0 mm
+- 12 × M3 heat-set inserts (about 4.6 mm OD, 5.7 mm long; the holes are 4.0 mm
   and 6 mm deep):
   - 4 in the bezel's display bosses
   - 2 in the bezel's feet
   - 2 in the body's rear corners
   - 4 on the base's board standoffs
-- 4 × M3×8 to bolt the display to the bezel
+- 4 × M3×6 to bolt the display to the bezel
 - 4 × M3×6 to hold the D1 board on its standoffs
 - 4 × M3×8 to hold the base on, from below; **M3×10** with the TPU feet
 

case/vfd-case.scad

@@ -8,7 +8,7 @@
 // Assembly:
 //   1. Melt M3 heat-set inserts into: 4 display bosses + 2 feet on the bezel,
 //      2 rear corner bosses in the body, 4 board standoffs on the base.
-//   2. Bolt the display to the bezel from behind (4x M3x8).
+//   2. Bolt the display to the bezel from behind (4x M3x6).
 //   3. Screw the D1 board onto the base (4x M3x6).
 //   4. Slide the bezel (with display) up into the body's side grooves from below.
 //   5. Wire up, put the body on the base and screw it together from below (4x M3x8).