// -*- C -*-
phone_height = 146.5 - .80;
-phone_width = 76.75;
+phone_width = 76.75 - .50;
phone_cnr_rad = 6.0;
phone_backside_slope_outer = 1.0; // larger means shallower
camera_pos_tl = [ 7.0, 13.0 ]; // measured from tl corner
-camera_pos_br = [ 24.0, 39.5 ]; // tl/br as seen from back
+camera_pos_br = [ 22.85,37.85]; // tl/br as seen from back
case_th_bottom = 2.5;
case_th_lid = 2.5;
keeper_th_z = 0.75;
keeper_th_x = 0.75;
-keeper_inner_width = 1.75;
-keeper_inner_height = 1.75;
+keeper_inner_width = 2.75;
+keeper_inner_height = 2.75;
+keeper_slant_slope = 2; // larger means steeper
keeper_gap_z_top = 0.25;
keeper_gap_z_bot = 0.75;
$fa = 5;
$fs = 0.1;
+button_l_fudge = 4.5;
+
// ---------- calculated ----------
// ----- could be changed -----
}
module circleat(c,r) { translate(c) circle(r); }
-module KeeperProfile(){
- polygon([kppe, kppd, kppc, kppb, kppa, kppf]);
+module KeeperProfile(slant=0){
+ use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope;
+ polygon([use_e, kppd, kppc, kppb, kppa, kppf]);
}
module EdgeProfile(){
}
}
-module ButtonPlan(l, bigger){
+module ButtonPlan(l, deep, cut){
+ bigger =
+ (deep ? lid_buttoncover_overlap : 0) +
+ (cut ? 0 : -lid_buttoncover_gap);
+
+ d_D1_y =
+ (cut ? 0 : lid_buttoncover_gap);
+
C = [0,0]; // by definition
T = [ 0, epp4[1] ];
G = T + [0,10];
- B0 = T + [0,-1] * button_cutout_depth;
+ B0 = C + [0,-1] * button_cutout_depth;
r0 = 0.5 * (T[1] - B0[1]);
- A = [ -l/2 + r0, 0.5 * (T[1] + B0[1]) ];
+ A = [ -(l + button_l_fudge)/2 + r0, 0.5 * (T[1] + B0[1]) ];
r1 = r0 + bigger;
// | D1 - A | = r1 * 2
- // D1_y = T_y - r1
- // => 4 * r1^2 = (r1-r0)^2 + (D1_x - A_x)^2
- // => D1_x = A_x + v/~ [ 4 * r1^2 - (r1-r0)^2 ]
- D1 = [ A[0] + sqrt( 4*r1*r1 - bigger*bigger ), T[1] - r1 ];
+ // D1_y = T_y - r1 + d_D1_y
+ // => 4 * r1^2 = (r1-r0 + d_D1_y)^2 + (D1_x - A_x)^2
+ // => D1_x = A_x + v/~ [ 4 * r1^2 - (r1-r0 + d_D1_y)^2 ]
+ D1 = [ A[0] - sqrt( 4*r1*r1 - pow(bigger + d_D1_y, 2) ),
+ T[1] - r1 + d_D1_y ];
E1 = 0.5 * (D1 + A);
F1 = D1 + [0,10];
[phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
}
+module Struts(z_min, th){
+ for (i= [1 : 1 : case_struts_count]) {
+ translate([0,
+ -phone_height * i / (case_struts_count+1),
+ z_min + case_struts_solid_below])
+ linear_extrude(height= th
+ -(case_struts_solid_below+case_struts_solid_above))
+ rectfromto([ epp2i[0], -0.5 * case_struts_width ],
+ [ phone_width - epp2i[0], +0.5 * case_struts_width ]);
+ }
+}
+
module CaseBase(){
AroundEdges(epp3[1], case_th_bottom, 1)
EdgeProfile();
intersection(){
rotate([90, 0, 0])
linear_extrude(height = phone_height + phone_cnr_rad * 2)
- KeeperProfile();
+ KeeperProfile(1);
// outline of the whole case, to stop it protruding
translate([0,0, -25])
rectfromto(camera_pos_tl, camera_pos_br);
// struts (invisible, because they're buried in the case)
- for (i= [1 : 1 : case_struts_count]) {
- translate([0,
- -phone_height * i / (case_struts_count+1),
- epp2i[1] - case_th_bottom + case_struts_solid_below])
- linear_extrude(height= case_th_bottom
- -(case_struts_solid_below+case_struts_solid_above))
- rectfromto([ epp2i[0], -0.5 * case_struts_width ],
- [ phone_width - epp2i[0], +0.5 * case_struts_width ]);
- }
+ Struts(epp2i[1] - case_th_bottom, case_th_bottom);
}
}
OneKeeper();
}
-module ButtonPlanForDemo(colour, z, gap, overlap){
+module ButtonPlanForDemo(colour, z, deep, cut){
color(colour)
translate([0,0,z])
- ButtonPlan(8,
- lid_buttoncover_gap * gap +
- lid_buttoncover_overlap * overlap);
+ ButtonPlan(8, deep, cut);
}
module DemoProfiles(){ ////toplevel
LidEdgeProfile();
%EdgeProfile();
KeeperProfile();
+ translate([0,0,-1]) color("black") KeeperProfile(1);
translate([20,0]) {
LidEdgeProfile();
}
}
- translate([-40,0]) {
- ButtonPlanForDemo("blue", 0, 0,0);
- ButtonPlanForDemo("red", -1, 1,0);
- ButtonPlanForDemo("yellow", -2, 0,1);
- ButtonPlanForDemo("blue", -3, 1,1);
+ translate([-20,0]) {
+ ButtonPlanForDemo("grey", -1, 0,1);
+ ButtonPlanForDemo("blue", -2, 1,0);
+ ButtonPlanForDemo("red", -3, 1,1);
}
}