3 phone = [ 146.5, 76.75 ];
7 button_cutout_depth = 9;
9 phone_edge_thick = 9.0;
10 phone_total_thick = 12.0;
11 phone_backside_slope_inner = 1.5; // larger means shallower
12 phone_backside_slope_outer = 1.0; // larger means shallower
14 camera_pos_tl = [ 7.0, 13.0 ]; // measured from tl corner
15 camera_pos_br = [ 22.85,37.85]; // tl/br as seen from back
22 case_struts_count = 6;
23 case_struts_solid_below = 1.00;
24 case_struts_solid_above = 0.75;
25 case_struts_width = 0.10;
29 keeper_inner_width = 2.75;
30 keeper_inner_height = 2.75;
31 keeper_slant_slope = 2; // larger means steeper
33 keeper_gap_z_top = 0.25;
34 keeper_gap_z_bot = 0.75;
36 keeper_gap_x_holes = 0.75;
49 strut_min_at_end = 1.5;
51 // ---------- calculated ----------
53 phone_height = phone[0];
54 phone_width = phone[1];
56 // ----- could be changed -----
57 lid_buttoncover_gap = lid_gap_x;
58 lid_buttoncover_overlap = case_th_lip + keeper_gap_z_top;
60 phone_backside_slope_thick = phone_total_thick - phone_edge_thick;
62 //lid_lip_overlap_width xxx bad name = ;
63 //lid_lip_inner_slope = [ 5, 5 ]; // xxx
66 epp1 = [0, -phone_edge_thick];
67 epp2i = epp1 + phone_backside_slope_thick * [ phone_backside_slope_inner, -1 ];
68 epp2o = epp1 + phone_backside_slope_thick * [ phone_backside_slope_outer, -1 ];
69 epp3 = epp2i + [10, 0];
70 epp5 = epp0 + [0,1] * (keeper_th_z + keeper_gap_z_top + case_lip);
71 epp4 = epp5 + [-1,0] * case_th_side;
74 kppd = kppe + [1,0] * keeper_inner_width;
75 kppc = kppd + [0,1] * keeper_th_z;
76 kppb = [ kppe[0] - keeper_th_x, kppc[1] ];
77 kppf = kppe - [0,1] * keeper_inner_height;
78 kppa = [ kppb[0], kppf[1] ];
80 lpp10 = [ epp5[0] + lid_gap_x, kppc[1] + lid_gap_z ];
81 lpp11 = [ lpp10[0], epp5[1] + lid_gap_z ];
83 lp_r12 = case_th_lid - (lpp11[1] - lpp10[1]);
85 lpp12 = [ epp4[0] + lp_r12, lpp11[1] ];
86 lpp13 = [ lpp12[0], lpp12[1] + lp_r12 ];
92 bppN = [ 0.5 * (epp0[0] + epp4[0]), bppM[1] ];
93 bppR = [ bppN[0] + lid_buttoncover_gap, -button_cutout_depth ];
94 bppS = [ epp1[0], bppR[1] ];
95 bppQ = [ bppM[0], bppR[1] - lid_buttoncover_overlap ];
96 bppP = bppQ + [0,1] * lid_buttoncover_gap;
97 bppO = [ bppN[0], bppP[1] ];
99 bppK = [ bppL[0], bppN[1] ];
100 bppJ = [ bppN[0], bppL[1] ];
102 module rectfromto(a,b) {
104 translate([min(a[0], b[0]), min(a[1], b[1])])
105 square([abs(ab[0]), abs(ab[1])]);
107 module circleat(c,r) { translate(c) circle(r); }
109 module KeeperProfile(slant=0){
110 use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope;
111 polygon([use_e, kppd, kppc, kppb, kppa, kppf]);
114 module EdgeProfile(){
117 translate(epp3) square(case_th_bottom*2, center=true);
118 circleat(epp2o, r=case_th_bottom);
119 circleat(epp1, r=case_th_side);
120 rectfromto(epp0, epp4);
122 polygon([ epp5 + [0,10],
129 module LidEdgeProfile(){
138 circleat(lpp12, r=lp_r12);
139 rectfromto( lpp12 + [-10, 0],
140 lpp12 + [+10, +10] );
144 module ButtonCoverProfile(){
146 polygon([ bppM, bppP, bppO, bppJ, bppL, bppK ]);
154 module ButtonPlan(l, deep, cut){
156 (cut ? 0 : lid_buttoncover_gap);
159 (deep ? lid_buttoncover_overlap : 0);
161 C = [0,0]; // by definition
165 B0 = C + [0,-1] * button_cutout_depth;
166 B1 = B0 + [0,1] * epsilon;
168 r0 = 0.5 * (T[1] - B0[1]);
169 A = [ -(l + button_l_fudge)/2 + r0, 0.5 * (T[1] + B0[1]) ];
170 H = A + [0,-1] * delta;
176 E1 = E0 + [1,0] * epsilon;
178 I0 = [ E0[0], H[1] ];
179 I1 = [ E1[0], H[1] ];
182 for (m=[0,1]) mirror([m,0])
183 circleat(H, r0 - epsilon);
185 for (m=[0,1]) mirror([m,0]) {
195 circleat(D, r0 + epsilon);
200 module CaseBase_rhsflip(yn=[0,1]) {
202 translate([phone_width/2, 0, 0])
204 translate([-phone_width/2, 0, 0])
209 module CaseBase_botflip() {
211 translate([0, -phone_height/2, 0])
213 translate([0, phone_height/2, 0])
218 module AroundEdges(fill_zstart, fill_th, fill_downwards=0){
221 translate([0, -phone_cnr_rad, 0])
223 linear_extrude(height = phone_height - phone_cnr_rad*2)
227 CaseBase_rhsflip() CaseBase_botflip() {
228 translate([+1,-1] * phone_cnr_rad)
233 translate([-1,0] * phone_cnr_rad)
235 rectfromto([0,-20],[10,20]);
237 translate([-10, 0, -20] + 0.01 * [+1,-1, 0] )
243 translate([ phone_width - phone_cnr_rad, 0,0 ])
245 linear_extrude(height = phone_width - phone_cnr_rad*2)
249 translate([0,0, fill_zstart])
250 mirror([0,0, fill_downwards])
251 linear_extrude(height = fill_th)
252 rectfromto([+1,-1] * phone_cnr_rad,
253 [phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
256 module SideButton(y,l){
258 translate([0, -y, 0])
263 CaseBase_rhsflip([1]) SideButton(20.6, 8.8) children(); // power
266 module Struts(x_start, z_min, th){
267 // if th is negative, starts at z_min and works towards -ve z
268 // and object should then be printed other way up
269 for (i= [1 : 1 : case_struts_count]) {
273 mirror([0,0, th<0 ? 1 : 0])
275 -phone_height * i / (case_struts_count+1),
276 case_struts_solid_below])
277 linear_extrude(height= abs(th)
278 -(case_struts_solid_below+case_struts_solid_above))
279 rectfromto([ x_start, -0.5 * case_struts_width ],
280 [ phone_width - x_start, +0.5 * case_struts_width ]);
285 AroundEdges(epp3[1], case_th_bottom, 1)
289 module Case(){ ////toplevel
294 // ledge (fixed keeper)
297 linear_extrude(height = phone_height + phone_cnr_rad * 2)
300 // outline of the whole case, to stop it protruding
301 translate([0,0, -25])
302 linear_extrude(height = 50)
304 // CaseBase_rhsflip() // actually, we only care about the LH
306 circleat([+1,-1] * phone_cnr_rad, phone_cnr_rad + case_th_side/2);
312 translate([0, -phone_cnr_rad, 0])
314 linear_extrude(height = phone_height + phone_cnr_rad * 2)
317 rectfromto([ -keeper_gap_x, -keeper_gap_z_bot ],
318 [ keeper_gap_x_holes, +keeper_gap_z_top ]);
322 CaseBase_rhsflip([1])
324 linear_extrude(height = 20)
326 rectfromto(camera_pos_tl, camera_pos_br);
328 // struts (invisible, because they're buried in the case)
329 Struts(epp2i[0], epp2i[1] - case_th_bottom, case_th_bottom);
335 linear_extrude(height= 20)
336 ButtonPlan($button_l, 0,1);
337 translate([0,0, -bppR[0]])
338 linear_extrude(height= 20)
339 ButtonPlan($button_l, 1,1);
345 module Lid(){ ////toplevel
348 AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
356 linear_extrude(height= 20)
357 ButtonPlan($button_l, 1,0);
359 translate([0,0,-100])
360 linear_extrude(height= 200)
361 ButtonCoverProfile();
365 Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid);
369 module TestLength(){ ////toplevel
372 translate([-30, -200, -20])
373 cube([30 + 15, 250, 40]);
377 module TestSelectWidth(){
378 translate([-30, -(phone_height - 25), -20])
383 module TestWidth(){ ////toplevel
390 module TestLidWidthPrint(){ ////toplevel
391 rotate([0,180.0]) TestLidWidth();
394 module TestSelectCamera(){
397 linear_extrude(height = 50)
399 rectfromto([-20, -20],
400 camera_pos_br + [ 5, 5 ]);
403 module TestCamera(){ ////toplevel
410 module TestLidByCamera(){ ////toplevel
417 module TestLidByCameraPrint(){ ////toplevel
418 rotate([180,0,0]) TestLidByCamera();
421 module DemoByCamera(){ ////toplevel
422 color("blue") TestLidByCamera();
423 color("red") TestCamera();
426 module OneKeeper(){ ////toplevel
427 translate([0, -phone_cnr_rad, 0])
429 linear_extrude(height = phone_height - phone_cnr_rad * 2)
433 module OneKeeperPrint(){ ////toplevel
438 module Keeper(){ ////toplevel
443 module ButtonPlanForDemo(z, deep, cut){
445 ButtonPlan(8, deep, cut);
448 module DemoProfiles(){ ////toplevel
452 translate([0,0,-1]) color("black") KeeperProfile(1);
458 demopoint_QR = [ bppS[0], bppQ[1] - 0.1];
460 color("blue") ButtonCoverProfile();
462 rectfromto(bppQ, demopoint_QR);
463 rectfromto(bppR, demopoint_QR);
468 color("black") ButtonPlanForDemo(-2, 0,1);
469 color("red" ) ButtonPlanForDemo(-4, 1,1);
470 color("blue") ButtonPlanForDemo(-6, 1,0);