// -*- C -*-
led_dia = 5 + 0.6;
-led_depth = 3.5;
+led_depth = 5;
led_tip_z = 70;
led_angle = -60;
vert_space_inside = 8;
backfront_space_inside = 12;
-backfront_mate_size = 20;
+backfront_mate_size = 25;
+tower_frontheight = 20;
// tuning
tower_over_angle = 45;
tower_wall_thick = 1.6;
-tower_base_height = 5;
+tower_base_height = 10;
+tower_forehead_angle = 30;
//--- tests ---
//--- real thing ---
-tower_frontheight = 30; //fixme
-tower_overhang = led_dia * 4;
+tower_overhang = led_dia * 2.5;
tower_over_max_y = tower_overhang * sin(tower_over_angle);
tower_over_max_z = tower_frontheight + tower_overhang * cos(tower_over_angle);
tower_total_max_z = tower_over_max_z + vert_space_inside + led_depth;
tower_rearwall_y = -(backfront_space_inside + tower_wall_thick);
-backfront_mate_extra = (backfront_mate_size - (-tower_rearwall_y))/2;
+backfront_mate_extra = (backfront_mate_size - (-tower_rearwall_y));
module TowerWallCrossSection(){
// generates a 2D shape - a polygon
polygon([[0, 0],
[0, tower_frontheight],
[-tower_over_max_y, tower_over_max_z],
- [-tower_over_max_y, tower_total_max_z],
+ [-tower_over_max_y
+ + tan(tower_forehead_angle) * (vert_space_inside + led_depth),
+ tower_total_max_z],
[-tower_rearwall_y, tower_total_max_z],
[-tower_rearwall_y, 0],
- [-tower_rearwall_y+backfront_mate_extra, -tower_base_height],
- [ -backfront_mate_extra, -tower_base_height]]);
+ [-tower_rearwall_y, -tower_base_height],
+ [-backfront_mate_extra, -tower_base_height]]);
}
-TowerWallCrossSection();
+module TowerBulkCrossSection(){
+ intersection(){
+ TowerWallCrossSection();
+ union(){
+ translate([-tower_over_max_y/2,
+ tower_frontheight + tower_overhang*sin(tower_over_angle)/2])
+ circle(r = led_depth);
+ }
+ }
+}
+
+%TowerWallCrossSection();
+TowerBulkCrossSection();