3 phone_height = 146.5 - .80;
8 button_cutout_depth = 9;
10 phone_edge_thick = 9.0;
11 phone_total_thick = 12.0;
12 phone_backside_slope_inner = 1.5; // larger means shallower
13 phone_backside_slope_outer = 1.0; // larger means shallower
15 camera_pos_tl = [ 7.0, 13.0 ]; // measured from tl corner
16 camera_pos_br = [ 24.0, 39.5 ]; // tl/br as seen from back
23 case_struts_count = 6;
24 case_struts_solid_below = 0.75;
25 case_struts_solid_above = 1.00;
26 case_struts_width = 0.10;
30 keeper_inner_width = 2.75;
31 keeper_inner_height = 2.75;
33 keeper_gap_z_top = 0.25;
34 keeper_gap_z_bot = 0.75;
36 keeper_gap_x_holes = 0.75;
49 // ---------- calculated ----------
51 // ----- could be changed -----
52 lid_buttoncover_gap = lid_gap_x;
53 lid_buttoncover_overlap = case_th_lip + keeper_gap_z_top;
55 phone_backside_slope_thick = phone_total_thick - phone_edge_thick;
57 //lid_lip_overlap_width xxx bad name = ;
58 //lid_lip_inner_slope = [ 5, 5 ]; // xxx
61 epp1 = [0, -phone_edge_thick];
62 epp2i = epp1 + phone_backside_slope_thick * [ phone_backside_slope_inner, -1 ];
63 epp2o = epp1 + phone_backside_slope_thick * [ phone_backside_slope_outer, -1 ];
64 epp3 = epp2i + [10, 0];
65 epp5 = epp0 + [0,1] * (keeper_th_z + keeper_gap_z_top + case_lip);
66 epp4 = epp5 + [-1,0] * case_th_side;
69 kppd = kppe + [1,0] * keeper_inner_width;
70 kppc = kppd + [0,1] * keeper_th_z;
71 kppb = [ kppe[0] - keeper_th_x, kppc[1] ];
72 kppf = kppe - [0,1] * keeper_inner_height;
73 kppa = [ kppb[0], kppf[1] ];
75 lpp10 = [ epp5[0] + lid_gap_x, kppc[1] + lid_gap_z ];
76 lpp11 = [ lpp10[0], epp5[1] + lid_gap_z ];
77 lpp12 = [ epp4[0] + lid_lip, lpp11[1] ];
78 lpp13 = [ lpp12[0], lpp12[1] + lid_lip ];
82 bppN = [ 0.5 * (epp0[0] + epp4[0]), bppM[1] ];
83 bppR = [ bppN[0] + lid_buttoncover_gap, -button_cutout_depth ];
84 bppS = [ epp1[0], bppR[1] ];
85 bppQ = [ bppM[0], bppR[1] - lid_buttoncover_overlap ];
86 bppP = bppQ + [0,1] * lid_buttoncover_gap;
87 bppO = [ bppN[0], bppP[1] ];
89 bppK = [ bppL[0], bppN[1] ];
90 bppJ = [ bppN[0], bppL[1] ];
92 module rectfromto(a,b) {
94 translate([min(a[0], b[0]), min(a[1], b[1])])
95 square([abs(ab[0]), abs(ab[1])]);
97 module circleat(c,r) { translate(c) circle(r); }
99 module KeeperProfile(){
100 polygon([kppe, kppd, kppc, kppb, kppa, kppf]);
103 module EdgeProfile(){
106 translate(epp3) square(case_th_bottom*2, center=true);
107 circleat(epp2o, r=case_th_bottom);
108 circleat(epp1, r=case_th_side);
109 rectfromto(epp0, epp4);
111 polygon([ epp5 + [0,10],
118 module LidEdgeProfile(){
127 circleat(lpp12, r=lid_lip);
128 rectfromto( lpp12 + [-10, 0],
129 lpp12 + [+10, +10] );
133 module ButtonCoverProfile(){
135 polygon([ bppM, bppP, bppO, bppJ, bppL, bppK ]);
143 module ButtonPlan(l, deep, cut){
145 (deep ? lid_buttoncover_overlap : 0) +
146 (cut ? 0 : -lid_buttoncover_gap);
149 (cut ? 0 : lid_buttoncover_gap);
151 C = [0,0]; // by definition
154 B0 = C + [0,-1] * button_cutout_depth;
155 r0 = 0.5 * (T[1] - B0[1]);
156 A = [ -(l + button_l_fudge)/2 + r0, 0.5 * (T[1] + B0[1]) ];
158 // | D1 - A | = r1 * 2
159 // D1_y = T_y - r1 + d_D1_y
160 // => 4 * r1^2 = (r1-r0 + d_D1_y)^2 + (D1_x - A_x)^2
161 // => D1_x = A_x + v/~ [ 4 * r1^2 - (r1-r0 + d_D1_y)^2 ]
162 D1 = [ A[0] - sqrt( 4*r1*r1 - pow(bigger + d_D1_y, 2) ),
163 T[1] - r1 + d_D1_y ];
168 for (m=[0,1]) mirror([m,0])
171 for (m=[0,1]) mirror([m,0]) {
185 module CaseBase_rhsflip(yn=[0,1]) {
187 translate([phone_width/2, 0, 0])
189 translate([-phone_width/2, 0, 0])
194 module CaseBase_botflip() {
196 translate([0, -phone_height/2, 0])
198 translate([0, phone_height/2, 0])
203 module AroundEdges(fill_zstart, fill_th, fill_downwards=0){
206 translate([0, -phone_cnr_rad, 0])
208 linear_extrude(height = phone_height - phone_cnr_rad*2)
212 CaseBase_rhsflip() CaseBase_botflip() {
213 translate([+1,-1] * phone_cnr_rad)
218 translate([-1,0] * phone_cnr_rad)
220 rectfromto([0,-20],[10,20]);
222 translate([-10, 0, -20] + 0.01 * [+1,-1, 0] )
228 translate([ phone_width - phone_cnr_rad, 0,0 ])
230 linear_extrude(height = phone_width - phone_cnr_rad*2)
234 translate([0,0, fill_zstart])
235 mirror([0,0, fill_downwards])
236 linear_extrude(height = fill_th)
237 rectfromto([+1,-1] * phone_cnr_rad,
238 [phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
242 AroundEdges(epp3[1], case_th_bottom, 1)
246 module Case(){ ////toplevel
251 // ledge (fixed keeper)
254 linear_extrude(height = phone_height + phone_cnr_rad * 2)
257 // outline of the whole case, to stop it protruding
258 translate([0,0, -25])
259 linear_extrude(height = 50)
261 // CaseBase_rhsflip() // actually, we only care about the LH
263 circleat([+1,-1] * phone_cnr_rad, phone_cnr_rad + case_th_side/2);
269 translate([0, -phone_cnr_rad, 0])
271 linear_extrude(height = phone_height + phone_cnr_rad * 2)
274 rectfromto([ -keeper_gap_x, -keeper_gap_z_bot ],
275 [ keeper_gap_x_holes, +keeper_gap_z_top ]);
279 CaseBase_rhsflip([1])
281 linear_extrude(height = 20)
283 rectfromto(camera_pos_tl, camera_pos_br);
285 // struts (invisible, because they're buried in the case)
286 for (i= [1 : 1 : case_struts_count]) {
288 -phone_height * i / (case_struts_count+1),
289 epp2i[1] - case_th_bottom + case_struts_solid_below])
290 linear_extrude(height= case_th_bottom
291 -(case_struts_solid_below+case_struts_solid_above))
292 rectfromto([ epp2i[0], -0.5 * case_struts_width ],
293 [ phone_width - epp2i[0], +0.5 * case_struts_width ]);
298 module Lid(){ ////toplevel
299 AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
303 module TestLength(){ ////toplevel
306 translate([-30, -200, -20])
307 cube([30 + 15, 250, 40]);
311 module TestWidth(){ ////toplevel
314 translate([-30, -(phone_height - 25), -20])
320 module TestLidWidthPrint(){ ////toplevel
324 translate([-30, -(phone_height - 25), -20])
330 module TestCamera(){ ////toplevel
335 linear_extrude(height = 50)
337 rectfromto([-20, -20],
338 camera_pos_br + [ 5, 5 ]);
342 module OneKeeper(){ ////toplevel
343 translate([0, -phone_cnr_rad, 0])
345 linear_extrude(height = phone_height - phone_cnr_rad * 2)
349 module OneKeeperPrint(){ ////toplevel
354 module Keeper(){ ////toplevel
359 module ButtonPlanForDemo(colour, z, deep, cut){
362 ButtonPlan(8, deep, cut);
365 module DemoProfiles(){ ////toplevel
374 demopoint_QR = [ bppS[0], bppQ[1] - 0.1];
376 color("blue") ButtonCoverProfile();
378 rectfromto(bppQ, demopoint_QR);
379 rectfromto(bppR, demopoint_QR);
384 ButtonPlanForDemo("grey", -1, 0,1);
385 ButtonPlanForDemo("blue", -2, 1,0);
386 ButtonPlanForDemo("red", -3, 1,1);