3 phone = [ 75.0, 145.0 ];
5 bumper = [ 0.250, 0.250 ];
6 // ^ One side. Overall size is increased by twice this.
7 // If no bumpers, is the gap around the phone.
11 button_cutout_depth = 9;
13 phone_edge_thick = 9.0;
14 phone_total_thick = 12.0;
15 phone_backside_slope_inner = 1.5; // larger means shallower
16 phone_backside_slope_outer = 1.0; // larger means shallower
18 camera_pos_tl = [ 6.450, 12.750 ]; // measured from tl corner
19 camera_pos_br = [ 22.300, 37.600 ]; // tl/br as seen from back
26 case_struts_count = 6;
27 case_struts_solid_below = 1.00;
28 case_struts_solid_above = 0.75;
29 case_struts_width = 0.10;
33 keeper_inner_width = 2.75;
34 keeper_inner_height = 2.75;
35 keeper_slant_slope = 2; // larger means steeper
37 keeper_gap_z_top = 0.25;
38 keeper_gap_z_bot = 0.75;
40 keeper_gap_x_holes = 0.75;
53 strut_min_at_end = 1.5;
55 // ---------- calculated ----------
57 phone_width = (phone + bumper*2)[0];
58 phone_height = (phone + bumper*2)[1];
60 //echo(camera_pos_tl + bumper,
61 // camera_pos_br + bumper);
63 // ----- could be changed -----
64 lid_buttoncover_gap = lid_gap_x;
65 lid_buttoncover_overlap = case_th_lip + keeper_gap_z_top;
67 phone_backside_slope_thick = phone_total_thick - phone_edge_thick;
69 //lid_lip_overlap_width xxx bad name = ;
70 //lid_lip_inner_slope = [ 5, 5 ]; // xxx
73 epp1 = [0, -phone_edge_thick];
74 epp2i = epp1 + phone_backside_slope_thick * [ phone_backside_slope_inner, -1 ];
75 epp2o = epp1 + phone_backside_slope_thick * [ phone_backside_slope_outer, -1 ];
76 epp3 = epp2i + [10, 0];
77 epp5 = epp0 + [0,1] * (keeper_th_z + keeper_gap_z_top + case_lip);
78 epp4 = epp5 + [-1,0] * case_th_side;
81 kppd = kppe + [1,0] * keeper_inner_width;
82 kppc = kppd + [0,1] * keeper_th_z;
83 kppb = [ kppe[0] - keeper_th_x, kppc[1] ];
84 kppf = kppe - [0,1] * keeper_inner_height;
85 kppa = [ kppb[0], kppf[1] ];
87 lpp10 = [ epp5[0] + lid_gap_x, kppc[1] + lid_gap_z ];
88 lpp11 = [ lpp10[0], epp5[1] + lid_gap_z ];
90 lp_r12 = case_th_lid - (lpp11[1] - lpp10[1]);
92 lpp12 = [ epp4[0] + lp_r12, lpp11[1] ];
93 lpp13 = [ lpp12[0], lpp12[1] + lp_r12 ];
97 bppN = [ 0.5 * (epp0[0] + epp4[0]), bppM[1] ];
98 bppR = [ bppN[0] + lid_buttoncover_gap, -button_cutout_depth ];
99 bppS = [ epp1[0], bppR[1] ];
100 bppQ = [ bppM[0], bppR[1] - lid_buttoncover_overlap ];
101 bppP = bppQ + [0,1] * lid_buttoncover_gap;
102 bppO = [ bppN[0], bppP[1] ];
103 bppL = lpp10 + [5,0];
104 bppK = [ bppL[0], bppN[1] ];
105 bppJ = [ bppN[0], bppL[1] ];
107 module rectfromto(a,b) {
109 translate([min(a[0], b[0]), min(a[1], b[1])])
110 square([abs(ab[0]), abs(ab[1])]);
112 module circleat(c,r) { translate(c) circle(r); }
114 module KeeperProfile(slant=0){
115 use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope;
116 polygon([use_e, kppd, kppc, kppb, kppa, kppf]);
119 module EdgeProfile(){
122 translate(epp3) square(case_th_bottom*2, center=true);
123 circleat(epp2o, r=case_th_bottom);
124 circleat(epp1, r=case_th_side);
125 rectfromto(epp0, epp4);
127 polygon([ epp5 + [0,10],
134 module LidEdgeProfile(){
143 circleat(lpp12, r=lp_r12);
144 rectfromto( lpp12 + [-10, 0],
145 lpp12 + [+10, +10] );
149 module ButtonCoverProfile(){
151 polygon([ bppM, bppP, bppO, bppJ, bppL, bppK ]);
159 module ButtonPlan(l, deep, cut){
161 (cut ? 0 : lid_buttoncover_gap);
164 (deep ? lid_buttoncover_overlap : 0);
166 C = [0,0]; // by definition
170 B0 = C + [0,-1] * button_cutout_depth;
171 B1 = B0 + [0,1] * epsilon;
173 r0 = 0.5 * (T[1] - B0[1]);
174 A = [ -(l + button_l_fudge)/2 + r0, 0.5 * (T[1] + B0[1]) ];
175 H = A + [0,-1] * delta;
181 E1 = E0 + [1,0] * epsilon;
183 I0 = [ E0[0], H[1] ];
184 I1 = [ E1[0], H[1] ];
187 for (m=[0,1]) mirror([m,0])
188 circleat(H, r0 - epsilon);
190 for (m=[0,1]) mirror([m,0]) {
200 circleat(D, r0 + epsilon);
205 module CaseBase_rhsflip(yn=[0,1]) {
207 translate([phone_width/2, 0, 0])
209 translate([-phone_width/2, 0, 0])
214 module CaseBase_botflip() {
216 translate([0, -phone_height/2, 0])
218 translate([0, phone_height/2, 0])
223 module AroundEdges(fill_zstart, fill_th, fill_downwards=0){
226 translate([0, -phone_cnr_rad, 0])
228 linear_extrude(height = phone_height - phone_cnr_rad*2)
232 CaseBase_rhsflip() CaseBase_botflip() {
233 translate([+1,-1] * phone_cnr_rad)
238 translate([-1,0] * phone_cnr_rad)
240 rectfromto([0,-20],[10,20]);
242 translate([-10, 0, -20] + 0.01 * [+1,-1, 0] )
248 translate([ phone_width - phone_cnr_rad, 0,0 ])
250 linear_extrude(height = phone_width - phone_cnr_rad*2)
254 translate([0,0, fill_zstart])
255 mirror([0,0, fill_downwards])
256 linear_extrude(height = fill_th)
257 rectfromto([+1,-1] * phone_cnr_rad,
258 [phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
261 module SideButton(y, y_ref_sign, l){
263 // +1 measured from top of actual phone to top of button
264 // -1 measured from bottom of actual phone to bottom of button
265 // 0 y is centre of button in coordinate system
267 eff_y = y_ref_sign > 0 ? -bumper [1] -y -l/2 :
268 y_ref_sign < 0 ? (-phone +bumper)[1] +y +l/2 :
271 translate([0, eff_y, 0])
276 CaseBase_rhsflip([1]) SideButton(15.580, +1, 8.9) children(); // power
279 module Struts(x_start, z_min, th){
280 // if th is negative, starts at z_min and works towards -ve z
281 // and object should then be printed other way up
282 for (i= [1 : 1 : case_struts_count]) {
286 mirror([0,0, th<0 ? 1 : 0])
288 -phone_height * i / (case_struts_count+1),
289 case_struts_solid_below])
290 linear_extrude(height= abs(th)
291 -(case_struts_solid_below+case_struts_solid_above))
292 rectfromto([ x_start, -0.5 * case_struts_width ],
293 [ phone_width - x_start, +0.5 * case_struts_width ]);
298 AroundEdges(epp3[1], case_th_bottom, 1)
302 module Case(){ ////toplevel
307 // ledge (fixed keeper)
310 linear_extrude(height = phone_height + phone_cnr_rad * 2)
313 // outline of the whole case, to stop it protruding
314 translate([0,0, -25])
315 linear_extrude(height = 50)
317 // CaseBase_rhsflip() // actually, we only care about the LH
319 circleat([+1,-1] * phone_cnr_rad, phone_cnr_rad + case_th_side/2);
325 translate([0, -phone_cnr_rad, 0])
327 linear_extrude(height = phone_height + phone_cnr_rad * 2)
330 rectfromto([ -keeper_gap_x, -keeper_gap_z_bot ],
331 [ keeper_gap_x_holes, +keeper_gap_z_top ]);
335 CaseBase_rhsflip([1])
337 linear_extrude(height = 20)
340 rectfromto(camera_pos_tl, camera_pos_br);
342 // struts (invisible, because they're buried in the case)
343 Struts(epp2i[0], epp2i[1] - case_th_bottom, case_th_bottom);
349 linear_extrude(height= 20)
350 ButtonPlan($button_l, 0,1);
351 translate([0,0, -bppR[0]])
352 linear_extrude(height= 20)
353 ButtonPlan($button_l, 1,1);
359 module Lid(){ ////toplevel
362 AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
370 linear_extrude(height= 20)
371 ButtonPlan($button_l, 1,0);
373 translate([0,0,-100])
374 linear_extrude(height= 200)
375 ButtonCoverProfile();
379 Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid);
383 module TestLength(){ ////toplevel
386 translate([-30, -200, -20])
387 cube([30 + 15, 250, 40]);
391 module TestSelectWidth(){
392 translate([-30, -(phone_height - 25), -20])
397 module TestWidth(){ ////toplevel
404 module TestLidWidthPrint(){ ////toplevel
405 rotate([0,180.0]) TestLidWidth();
408 module TestSelectCamera(){
411 linear_extrude(height = 50)
413 rectfromto([-20, -20],
414 camera_pos_br + bumper + [ 5, 5 ]);
417 module TestCamera(){ ////toplevel
424 module TestLidByCamera(){ ////toplevel
431 module TestLidByCameraPrint(){ ////toplevel
432 rotate([180,0,0]) TestLidByCamera();
435 module DemoByCamera(){ ////toplevel
436 color("blue") TestLidByCamera();
437 color("red") TestCamera();
440 module OneKeeper(){ ////toplevel
441 translate([0, -phone_cnr_rad, 0])
443 linear_extrude(height = phone_height - phone_cnr_rad * 2)
447 module OneKeeperPrint(){ ////toplevel
452 module Keeper(){ ////toplevel
457 module ButtonPlanForDemo(z, deep, cut){
459 ButtonPlan(8, deep, cut);
462 module DemoProfiles(){ ////toplevel
466 translate([0,0,-1]) color("black") KeeperProfile(1);
472 demopoint_QR = [ bppS[0], bppQ[1] - 0.1];
474 color("blue") ButtonCoverProfile();
476 rectfromto(bppQ, demopoint_QR);
477 rectfromto(bppR, demopoint_QR);
482 color("black") ButtonPlanForDemo(-2, 0,1);
483 color("red" ) ButtonPlanForDemo(-4, 1,1);
484 color("blue") ButtonPlanForDemo(-6, 1,0);