3 phone_height = 146.5 - .80;
4 phone_width = 76.75 - .50;
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 = [ 22.85,37.85]; // 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;
32 keeper_slant_slope = 2; // larger means steeper
34 keeper_gap_z_top = 0.25;
35 keeper_gap_z_bot = 0.75;
37 keeper_gap_x_holes = 0.75;
50 // ---------- calculated ----------
52 // ----- could be changed -----
53 lid_buttoncover_gap = lid_gap_x;
54 lid_buttoncover_overlap = case_th_lip + keeper_gap_z_top;
56 phone_backside_slope_thick = phone_total_thick - phone_edge_thick;
58 //lid_lip_overlap_width xxx bad name = ;
59 //lid_lip_inner_slope = [ 5, 5 ]; // xxx
62 epp1 = [0, -phone_edge_thick];
63 epp2i = epp1 + phone_backside_slope_thick * [ phone_backside_slope_inner, -1 ];
64 epp2o = epp1 + phone_backside_slope_thick * [ phone_backside_slope_outer, -1 ];
65 epp3 = epp2i + [10, 0];
66 epp5 = epp0 + [0,1] * (keeper_th_z + keeper_gap_z_top + case_lip);
67 epp4 = epp5 + [-1,0] * case_th_side;
70 kppd = kppe + [1,0] * keeper_inner_width;
71 kppc = kppd + [0,1] * keeper_th_z;
72 kppb = [ kppe[0] - keeper_th_x, kppc[1] ];
73 kppf = kppe - [0,1] * keeper_inner_height;
74 kppa = [ kppb[0], kppf[1] ];
76 lpp10 = [ epp5[0] + lid_gap_x, kppc[1] + lid_gap_z ];
77 lpp11 = [ lpp10[0], epp5[1] + lid_gap_z ];
79 lp_r12 = case_th_lid - (lpp11[1] - lpp10[1]);
81 lpp12 = [ epp4[0] + lp_r12, lpp11[1] ];
82 lpp13 = [ lpp12[0], lpp12[1] + lp_r12 ];
88 bppN = [ 0.5 * (epp0[0] + epp4[0]), bppM[1] ];
89 bppR = [ bppN[0] + lid_buttoncover_gap, -button_cutout_depth ];
90 bppS = [ epp1[0], bppR[1] ];
91 bppQ = [ bppM[0], bppR[1] - lid_buttoncover_overlap ];
92 bppP = bppQ + [0,1] * lid_buttoncover_gap;
93 bppO = [ bppN[0], bppP[1] ];
95 bppK = [ bppL[0], bppN[1] ];
96 bppJ = [ bppN[0], bppL[1] ];
98 module rectfromto(a,b) {
100 translate([min(a[0], b[0]), min(a[1], b[1])])
101 square([abs(ab[0]), abs(ab[1])]);
103 module circleat(c,r) { translate(c) circle(r); }
105 module KeeperProfile(slant=0){
106 use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope;
107 polygon([use_e, kppd, kppc, kppb, kppa, kppf]);
110 module EdgeProfile(){
113 translate(epp3) square(case_th_bottom*2, center=true);
114 circleat(epp2o, r=case_th_bottom);
115 circleat(epp1, r=case_th_side);
116 rectfromto(epp0, epp4);
118 polygon([ epp5 + [0,10],
125 module LidEdgeProfile(){
134 circleat(lpp12, r=lp_r12);
135 rectfromto( lpp12 + [-10, 0],
136 lpp12 + [+10, +10] );
140 module ButtonCoverProfile(){
142 polygon([ bppM, bppP, bppO, bppJ, bppL, bppK ]);
150 module ButtonPlan(l, deep, cut){
152 (deep ? lid_buttoncover_overlap : 0) +
153 (cut ? 0 : -lid_buttoncover_gap);
156 (cut ? 0 : lid_buttoncover_gap);
158 C = [0,0]; // by definition
161 B0 = C + [0,-1] * button_cutout_depth;
162 r0 = 0.5 * (T[1] - B0[1]);
163 A = [ -(l + button_l_fudge)/2 + r0, 0.5 * (T[1] + B0[1]) ];
165 // | D1 - A | = r1 * 2
166 // D1_y = T_y - r1 + d_D1_y
167 // => 4 * r1^2 = (r1-r0 + d_D1_y)^2 + (D1_x - A_x)^2
168 // => D1_x = A_x + v/~ [ 4 * r1^2 - (r1-r0 + d_D1_y)^2 ]
169 D1 = [ A[0] - sqrt( 4*r1*r1 - pow(bigger + d_D1_y, 2) ),
170 T[1] - r1 + d_D1_y ];
175 for (m=[0,1]) mirror([m,0])
178 for (m=[0,1]) mirror([m,0]) {
192 module CaseBase_rhsflip(yn=[0,1]) {
194 translate([phone_width/2, 0, 0])
196 translate([-phone_width/2, 0, 0])
201 module CaseBase_botflip() {
203 translate([0, -phone_height/2, 0])
205 translate([0, phone_height/2, 0])
210 module AroundEdges(fill_zstart, fill_th, fill_downwards=0){
213 translate([0, -phone_cnr_rad, 0])
215 linear_extrude(height = phone_height - phone_cnr_rad*2)
219 CaseBase_rhsflip() CaseBase_botflip() {
220 translate([+1,-1] * phone_cnr_rad)
225 translate([-1,0] * phone_cnr_rad)
227 rectfromto([0,-20],[10,20]);
229 translate([-10, 0, -20] + 0.01 * [+1,-1, 0] )
235 translate([ phone_width - phone_cnr_rad, 0,0 ])
237 linear_extrude(height = phone_width - phone_cnr_rad*2)
241 translate([0,0, fill_zstart])
242 mirror([0,0, fill_downwards])
243 linear_extrude(height = fill_th)
244 rectfromto([+1,-1] * phone_cnr_rad,
245 [phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
248 module Struts(z_min, th){
249 for (i= [1 : 1 : case_struts_count]) {
251 -phone_height * i / (case_struts_count+1),
252 z_min + case_struts_solid_below])
253 linear_extrude(height= th
254 -(case_struts_solid_below+case_struts_solid_above))
255 rectfromto([ epp2i[0], -0.5 * case_struts_width ],
256 [ phone_width - epp2i[0], +0.5 * case_struts_width ]);
261 AroundEdges(epp3[1], case_th_bottom, 1)
265 module Case(){ ////toplevel
270 // ledge (fixed keeper)
273 linear_extrude(height = phone_height + phone_cnr_rad * 2)
276 // outline of the whole case, to stop it protruding
277 translate([0,0, -25])
278 linear_extrude(height = 50)
280 // CaseBase_rhsflip() // actually, we only care about the LH
282 circleat([+1,-1] * phone_cnr_rad, phone_cnr_rad + case_th_side/2);
288 translate([0, -phone_cnr_rad, 0])
290 linear_extrude(height = phone_height + phone_cnr_rad * 2)
293 rectfromto([ -keeper_gap_x, -keeper_gap_z_bot ],
294 [ keeper_gap_x_holes, +keeper_gap_z_top ]);
298 CaseBase_rhsflip([1])
300 linear_extrude(height = 20)
302 rectfromto(camera_pos_tl, camera_pos_br);
304 // struts (invisible, because they're buried in the case)
305 Struts(epp2i[1] - case_th_bottom, case_th_bottom);
309 module Lid(){ ////toplevel
310 AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
314 module TestLength(){ ////toplevel
317 translate([-30, -200, -20])
318 cube([30 + 15, 250, 40]);
322 module TestWidth(){ ////toplevel
325 translate([-30, -(phone_height - 25), -20])
331 module TestLidWidthPrint(){ ////toplevel
335 translate([-30, -(phone_height - 25), -20])
341 module TestCamera(){ ////toplevel
346 linear_extrude(height = 50)
348 rectfromto([-20, -20],
349 camera_pos_br + [ 5, 5 ]);
353 module OneKeeper(){ ////toplevel
354 translate([0, -phone_cnr_rad, 0])
356 linear_extrude(height = phone_height - phone_cnr_rad * 2)
360 module OneKeeperPrint(){ ////toplevel
365 module Keeper(){ ////toplevel
370 module ButtonPlanForDemo(colour, z, deep, cut){
373 ButtonPlan(8, deep, cut);
376 module DemoProfiles(){ ////toplevel
380 translate([0,0,-1]) color("black") KeeperProfile(1);
386 demopoint_QR = [ bppS[0], bppQ[1] - 0.1];
388 color("blue") ButtonCoverProfile();
390 rectfromto(bppQ, demopoint_QR);
391 rectfromto(bppR, demopoint_QR);
396 ButtonPlanForDemo("grey", -1, 0,1);
397 ButtonPlanForDemo("blue", -2, 1,0);
398 ButtonPlanForDemo("red", -3, 1,1);