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 = 1.00;
25 case_struts_solid_above = 0.75;
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 strut_min_at_end = 1.5;
52 // ---------- calculated ----------
54 // ----- could be changed -----
55 lid_buttoncover_gap = lid_gap_x;
56 lid_buttoncover_overlap = case_th_lip + keeper_gap_z_top;
58 phone_backside_slope_thick = phone_total_thick - phone_edge_thick;
60 //lid_lip_overlap_width xxx bad name = ;
61 //lid_lip_inner_slope = [ 5, 5 ]; // xxx
64 epp1 = [0, -phone_edge_thick];
65 epp2i = epp1 + phone_backside_slope_thick * [ phone_backside_slope_inner, -1 ];
66 epp2o = epp1 + phone_backside_slope_thick * [ phone_backside_slope_outer, -1 ];
67 epp3 = epp2i + [10, 0];
68 epp5 = epp0 + [0,1] * (keeper_th_z + keeper_gap_z_top + case_lip);
69 epp4 = epp5 + [-1,0] * case_th_side;
72 kppd = kppe + [1,0] * keeper_inner_width;
73 kppc = kppd + [0,1] * keeper_th_z;
74 kppb = [ kppe[0] - keeper_th_x, kppc[1] ];
75 kppf = kppe - [0,1] * keeper_inner_height;
76 kppa = [ kppb[0], kppf[1] ];
78 lpp10 = [ epp5[0] + lid_gap_x, kppc[1] + lid_gap_z ];
79 lpp11 = [ lpp10[0], epp5[1] + lid_gap_z ];
81 lp_r12 = case_th_lid - (lpp11[1] - lpp10[1]);
83 lpp12 = [ epp4[0] + lp_r12, lpp11[1] ];
84 lpp13 = [ lpp12[0], lpp12[1] + lp_r12 ];
90 bppN = [ 0.5 * (epp0[0] + epp4[0]), bppM[1] ];
91 bppR = [ bppN[0] + lid_buttoncover_gap, -button_cutout_depth ];
92 bppS = [ epp1[0], bppR[1] ];
93 bppQ = [ bppM[0], bppR[1] - lid_buttoncover_overlap ];
94 bppP = bppQ + [0,1] * lid_buttoncover_gap;
95 bppO = [ bppN[0], bppP[1] ];
97 bppK = [ bppL[0], bppN[1] ];
98 bppJ = [ bppN[0], bppL[1] ];
100 module rectfromto(a,b) {
102 translate([min(a[0], b[0]), min(a[1], b[1])])
103 square([abs(ab[0]), abs(ab[1])]);
105 module circleat(c,r) { translate(c) circle(r); }
107 module KeeperProfile(slant=0){
108 use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope;
109 polygon([use_e, kppd, kppc, kppb, kppa, kppf]);
112 module EdgeProfile(){
115 translate(epp3) square(case_th_bottom*2, center=true);
116 circleat(epp2o, r=case_th_bottom);
117 circleat(epp1, r=case_th_side);
118 rectfromto(epp0, epp4);
120 polygon([ epp5 + [0,10],
127 module LidEdgeProfile(){
136 circleat(lpp12, r=lp_r12);
137 rectfromto( lpp12 + [-10, 0],
138 lpp12 + [+10, +10] );
142 module ButtonCoverProfile(){
144 polygon([ bppM, bppP, bppO, bppJ, bppL, bppK ]);
152 module ButtonPlan(l, deep, cut){
154 (deep ? lid_buttoncover_overlap : 0) +
155 (cut ? 0 : -lid_buttoncover_gap);
158 (cut ? 0 : lid_buttoncover_gap);
160 C = [0,0]; // by definition
163 B0 = C + [0,-1] * button_cutout_depth;
164 r0 = 0.5 * (T[1] - B0[1]);
165 A = [ -(l + button_l_fudge)/2 + r0, 0.5 * (T[1] + B0[1]) ];
167 // | D1 - A | = r1 * 2
168 // D1_y = T_y - r1 + d_D1_y
169 // => 4 * r1^2 = (r1-r0 + d_D1_y)^2 + (D1_x - A_x)^2
170 // => D1_x = A_x + v/~ [ 4 * r1^2 - (r1-r0 + d_D1_y)^2 ]
171 D1 = [ A[0] - sqrt( 4*r1*r1 - pow(bigger + d_D1_y, 2) ),
172 T[1] - r1 + d_D1_y ];
177 for (m=[0,1]) mirror([m,0])
180 for (m=[0,1]) mirror([m,0]) {
194 module CaseBase_rhsflip(yn=[0,1]) {
196 translate([phone_width/2, 0, 0])
198 translate([-phone_width/2, 0, 0])
203 module CaseBase_botflip() {
205 translate([0, -phone_height/2, 0])
207 translate([0, phone_height/2, 0])
212 module AroundEdges(fill_zstart, fill_th, fill_downwards=0){
215 translate([0, -phone_cnr_rad, 0])
217 linear_extrude(height = phone_height - phone_cnr_rad*2)
221 CaseBase_rhsflip() CaseBase_botflip() {
222 translate([+1,-1] * phone_cnr_rad)
227 translate([-1,0] * phone_cnr_rad)
229 rectfromto([0,-20],[10,20]);
231 translate([-10, 0, -20] + 0.01 * [+1,-1, 0] )
237 translate([ phone_width - phone_cnr_rad, 0,0 ])
239 linear_extrude(height = phone_width - phone_cnr_rad*2)
243 translate([0,0, fill_zstart])
244 mirror([0,0, fill_downwards])
245 linear_extrude(height = fill_th)
246 rectfromto([+1,-1] * phone_cnr_rad,
247 [phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
250 module SideButton(y,l){
252 translate([0, -y, 0])
259 CaseBase_rhsflip([1]) SideButton(20.6, 8.8) children(); // power
262 module Struts(x_start, z_min, th){
263 // if th is negative, starts at z_min and works towards -ve z
264 // and object should then be printed other way up
265 for (i= [1 : 1 : case_struts_count]) {
269 mirror([0,0, th<0 ? 1 : 0])
271 -phone_height * i / (case_struts_count+1),
272 case_struts_solid_below])
273 linear_extrude(height= abs(th)
274 -(case_struts_solid_below+case_struts_solid_above))
275 rectfromto([ x_start, -0.5 * case_struts_width ],
276 [ phone_width - x_start, +0.5 * case_struts_width ]);
281 AroundEdges(epp3[1], case_th_bottom, 1)
285 module Case(){ ////toplevel
290 // ledge (fixed keeper)
293 linear_extrude(height = phone_height + phone_cnr_rad * 2)
296 // outline of the whole case, to stop it protruding
297 translate([0,0, -25])
298 linear_extrude(height = 50)
300 // CaseBase_rhsflip() // actually, we only care about the LH
302 circleat([+1,-1] * phone_cnr_rad, phone_cnr_rad + case_th_side/2);
308 translate([0, -phone_cnr_rad, 0])
310 linear_extrude(height = phone_height + phone_cnr_rad * 2)
313 rectfromto([ -keeper_gap_x, -keeper_gap_z_bot ],
314 [ keeper_gap_x_holes, +keeper_gap_z_top ]);
318 CaseBase_rhsflip([1])
320 linear_extrude(height = 20)
322 rectfromto(camera_pos_tl, camera_pos_br);
324 // struts (invisible, because they're buried in the case)
325 Struts(epp2i[0], epp2i[1] - case_th_bottom, case_th_bottom);
329 linear_extrude(height= 20)
330 ButtonPlan($button_l, 0,1);
331 translate([0,0, -bppR[0]])
332 linear_extrude(height= 20)
333 ButtonPlan($button_l, 1,1);
338 module Lid(){ ////toplevel
341 AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
344 Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid);
348 module TestLength(){ ////toplevel
351 translate([-30, -200, -20])
352 cube([30 + 15, 250, 40]);
356 module TestWidth(){ ////toplevel
359 translate([-30, -(phone_height - 25), -20])
365 module TestLidWidthPrint(){ ////toplevel
369 translate([-30, -(phone_height - 25), -20])
375 module TestCamera(){ ////toplevel
380 linear_extrude(height = 50)
382 rectfromto([-20, -20],
383 camera_pos_br + [ 5, 5 ]);
387 module OneKeeper(){ ////toplevel
388 translate([0, -phone_cnr_rad, 0])
390 linear_extrude(height = phone_height - phone_cnr_rad * 2)
394 module OneKeeperPrint(){ ////toplevel
399 module Keeper(){ ////toplevel
404 module ButtonPlanForDemo(colour, z, deep, cut){
407 ButtonPlan(8, deep, cut);
410 module DemoProfiles(){ ////toplevel
414 translate([0,0,-1]) color("black") KeeperProfile(1);
420 demopoint_QR = [ bppS[0], bppQ[1] - 0.1];
422 color("blue") ButtonCoverProfile();
424 rectfromto(bppQ, demopoint_QR);
425 rectfromto(bppR, demopoint_QR);
430 ButtonPlanForDemo("grey", -1, 0,1);
431 ButtonPlanForDemo("blue", -2, 1,0);
432 ButtonPlanForDemo("red", -3, 1,1);