From 803a3c432f42f89a0a954ffd7f0cf4f280613b38 Mon Sep 17 00:00:00 2001
From: XANTRONIX Development
Date: Wed, 15 Nov 2023 21:18:41 -0500
Subject: Prepare for screw posts

---
 case/top.scad | 32 ++++++++++++++++++--------------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/case/top.scad b/case/top.scad
index eb19477..1e4aa45 100644
--- a/case/top.scad
+++ b/case/top.scad
@@ -2,19 +2,6 @@ $fn = 72;
 
 include <keyboard.scad>
 
-/*
- * Top screw holes are 15mm from top of case
- * Side screws are 6.5mm from side of case
- * Top middle screw post is 29.3mm long
- * Other screw posts are 12mm long
- * Screw post outer diameter 6.25mm
- * Screw post inner diameter 3mm
- * Horizontal ridge interval: 55.5mm
- * Vertical ridge interval: 31.3mm
- * Ridge thickness: 1.25mm
- * First horizontal ridge: Starts at keyboard X offset
- */
-
 module top_case(key_switch_sizes, pcb_screw_holes) {
     case_width_top     = 317.5000;
     case_width_bottom  = 320.0000;
@@ -45,6 +32,13 @@ module top_case(key_switch_sizes, pcb_screw_holes) {
 
     support_width = 1.2500;
 
+    screw_post_diameter_inner =  3.00;
+    screw_post_diameter_outer =  6.25;
+    screw_post_corner_height  = 12.00;
+    screw_post_middle_height  = 29.30;
+    screw_post_upper_y_offset = case_length_bottom - wall_width - 15.00;
+    screw_post_x_offset       = wall_width + 6.50;
+
     module fascia() {
         linear_extrude(wall_width)
         difference() {
@@ -79,6 +73,16 @@ module top_case(key_switch_sizes, pcb_screw_holes) {
         }
     }
 
+    module screw_post(h) {
+        diameter_inner = 3.00;
+        diameter_outer = 6.25;
+
+        difference() {
+            cylinder(h, d=diameter_inner);
+            cylinder(h, d=diameter_outer);
+        }
+    }
+
     module support(dimensions, width) {
         length = dimensions[0];
         height = dimensions[1];
@@ -179,7 +183,7 @@ module top_case(key_switch_sizes, pcb_screw_holes) {
                        wall_height - wall_width])
             rotate([0, 0, -90])
             support([right_support_length, keyboard_switch_height], support_width);
-            
+
             translate([left_support_x_offset,
                        support_y_offset + y - wall_width + support_width,
                        wall_height - wall_width])
-- 
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