From 1ed956cb95ae64324b55f19d2310ce55d25f97d6 Mon Sep 17 00:00:00 2001
From: dakkar <dakkar@thenautilus.net>
Date: Sun, 20 Feb 2022 13:51:27 +0000
Subject: very rough start of enclosure

---
 enclosure/enclosure.scad | 54 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 enclosure/enclosure.scad

diff --git a/enclosure/enclosure.scad b/enclosure/enclosure.scad
new file mode 100644
index 0000000..e260376
--- /dev/null
+++ b/enclosure/enclosure.scad
@@ -0,0 +1,54 @@
+/*
+  a box divided on layers, 4 long screws at the corners to keep it
+  together, alignment pins between layers
+
+  * top, big hole for the screen and small holes for air
+
+  * board, holds the board and the switch / button / usb / sd holes on
+    the sides; the co2 sensor probably goes here as well
+
+  * bottom, for battery and pm sensor
+ */
+
+DISPLAY_WIN_X=51;
+DISPLAY_WIN_Y=26;
+DISPLAY_OFF_X=16;
+DISPLAY_OFF_Y=7;
+
+//PITCH=0.254; don't really care
+BOARD_X=66.5;
+BOARD_Y=36.8;
+BOARD_PIN_D=1.9;
+BOARD_PIN_OFF_X=2.5; BOARD_PIN_DIST_X=61;
+BOARD_PIN_OFF_Y=2.5; BOARD_PIN_DIST_Y=32.5;
+
+BOARD_OFF_X=3;
+BOARD_OFF_Y=3;
+
+TOP_LAYER_Z=10;
+
+TOTAL_X=100;
+TOTAL_Y=40;
+TOTAL_Z=30;
+
+module top() {
+  difference() {
+    cube([TOTAL_X, TOTAL_Y, TOP_LAYER_Z]);
+    translate([BOARD_OFF_X, BOARD_OFF_Y, 0]) union() {
+      translate([DISPLAY_OFF_X, DISPLAY_OFF_Y, -1])
+        cube([DISPLAY_WIN_X, DISPLAY_WIN_Y, TOP_LAYER_Z*2]);
+
+      // alignment pins
+      translate([BOARD_PIN_OFF_X, BOARD_PIN_OFF_Y, -1])
+        cylinder(d=BOARD_PIN_D,h=TOP_LAYER_Z/2);
+      translate([BOARD_PIN_OFF_X+BOARD_PIN_DIST_X, BOARD_PIN_OFF_Y, -1])
+        cylinder(d=BOARD_PIN_D,h=TOP_LAYER_Z/2);
+      translate([BOARD_PIN_OFF_X, BOARD_PIN_OFF_Y+BOARD_PIN_DIST_Y, -1])
+        cylinder(d=BOARD_PIN_D,h=TOP_LAYER_Z/2);
+      translate([BOARD_PIN_OFF_X+BOARD_PIN_DIST_X, BOARD_PIN_OFF_Y+BOARD_PIN_DIST_Y, -1])
+        cylinder(d=BOARD_PIN_D,h=TOP_LAYER_Z/2);
+    }
+  }
+}
+
+top();
-- 
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