mangavalk/esphome-samsung-vfd
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Case: add TPU feet held by the base screws

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Each foot has a spigot that locates in the base's screw counterbore and a
pocket for the screw head; base screws become M3x10. Base unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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mangavalkandClaude Opus 5.5 committed 2026-11-01 13:06:07 +01:00
1 parent 494b106f0c
commit 9853841a21
3 files changed
+41 -3
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case/README.md
+7 -3
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@@ -20,6 +20,7 @@ at least 210 × 115 mm.
| [stl/body.stl](stl/body.stl) | upside down, top on the bed (as exported) | Sides, top and back wall. No supports needed. |
| [stl/bezel.stl](stl/bezel.stl) | face down (as exported) | Front panel with the window and the display bosses. |
| [stl/base.stl](stl/base.stl) | flat (as exported) | Floor with the board standoffs and the screw holes. |
| [stl/feet.stl](stl/feet.stl) | flat side down (as exported) | 4 feet, print in **TPU**. Each clamps under one of the base screws, with a spigot that locates in the screw's counterbore. |
PETG is a good choice: the display warms the inside by a few degrees. PLA
works if the case stays out of the sun.
@@ -34,7 +35,7 @@ works if the case stays out of the sun.
- 4 on the base's board standoffs
- 4 × M3×8 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
- 4 × M3×8 to hold the base on, from below; **M3×10** with the TPU feet
## Assembly
@@ -46,7 +47,9 @@ works if the case stays out of the sun.
5. Connect the display cable. The MAX3232 sits inline in the cable; tie it to
the anchor on the base.
6. Put the body on the base and screw it together from below. The base holds
the bezel in place.
the bezel in place. With the feet, put a foot on each screw first (the
spigot faces the base) and use M3×10. Tighten until the foot is snug; the
TPU only needs light compression.
## Measure before printing
@@ -78,6 +81,7 @@ with:
openscad -D 'part="body"' --export-format binstl -o stl/body.stl vfd-case.scad
openscad -D 'part="bezel"' --export-format binstl -o stl/bezel.stl vfd-case.scad
openscad -D 'part="base"' --export-format binstl -o stl/base.stl vfd-case.scad
openscad -D 'part="feet"' --export-format binstl -o stl/feet.stl vfd-case.scad
```
`part="assembly"` shows everything with dummy display and board models, and
@@ -85,7 +89,7 @@ openscad -D 'part="base"' --export-format binstl -o stl/base.stl vfd-case.scad
each one must render as an empty object:
- `check_body_bezel`, `check_body_display`, `check_bezel_display`
- `check_body_base`, `check_bezel_base`, `check_display_base`
- `check_body_base`, `check_bezel_base`, `check_display_base`, `check_feet_base`
- `check_board`
- `check_insertion`: sweeps the bezel and display along their slide-in path
through the body.