3 phone = [ 145.0, 75.0 ];
5 bumper = [ 0.750, 0.875 ];
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 = [ 6.250, 12.125 ]; // measured from tl corner
19 camera_pos_br = [ 22.10, 36.975 ]; // 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_height = (phone + bumper*2)[0];
58 phone_width = (phone + bumper*2)[1];
60 // ----- could be changed -----
61 lid_buttoncover_gap = lid_gap_x;
62 lid_buttoncover_overlap = case_th_lip + keeper_gap_z_top;
64 phone_backside_slope_thick = phone_total_thick - phone_edge_thick;
66 //lid_lip_overlap_width xxx bad name = ;
67 //lid_lip_inner_slope = [ 5, 5 ]; // xxx
70 epp1 = [0, -phone_edge_thick];
71 epp2i = epp1 + phone_backside_slope_thick * [ phone_backside_slope_inner, -1 ];
72 epp2o = epp1 + phone_backside_slope_thick * [ phone_backside_slope_outer, -1 ];
73 epp3 = epp2i + [10, 0];
74 epp5 = epp0 + [0,1] * (keeper_th_z + keeper_gap_z_top + case_lip);
75 epp4 = epp5 + [-1,0] * case_th_side;
78 kppd = kppe + [1,0] * keeper_inner_width;
79 kppc = kppd + [0,1] * keeper_th_z;
80 kppb = [ kppe[0] - keeper_th_x, kppc[1] ];
81 kppf = kppe - [0,1] * keeper_inner_height;
82 kppa = [ kppb[0], kppf[1] ];
84 lpp10 = [ epp5[0] + lid_gap_x, kppc[1] + lid_gap_z ];
85 lpp11 = [ lpp10[0], epp5[1] + lid_gap_z ];
87 lp_r12 = case_th_lid - (lpp11[1] - lpp10[1]);
89 lpp12 = [ epp4[0] + lp_r12, lpp11[1] ];
90 lpp13 = [ lpp12[0], lpp12[1] + lp_r12 ];
96 bppN = [ 0.5 * (epp0[0] + epp4[0]), bppM[1] ];
97 bppR = [ bppN[0] + lid_buttoncover_gap, -button_cutout_depth ];
98 bppS = [ epp1[0], bppR[1] ];
99 bppQ = [ bppM[0], bppR[1] - lid_buttoncover_overlap ];
100 bppP = bppQ + [0,1] * lid_buttoncover_gap;
101 bppO = [ bppN[0], bppP[1] ];
102 bppL = lpp10 + [5,0];
103 bppK = [ bppL[0], bppN[1] ];
104 bppJ = [ bppN[0], bppL[1] ];
106 module rectfromto(a,b) {
108 translate([min(a[0], b[0]), min(a[1], b[1])])
109 square([abs(ab[0]), abs(ab[1])]);
111 module circleat(c,r) { translate(c) circle(r); }
113 module KeeperProfile(slant=0){
114 use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope;
115 polygon([use_e, kppd, kppc, kppb, kppa, kppf]);
118 module EdgeProfile(){
121 translate(epp3) square(case_th_bottom*2, center=true);
122 circleat(epp2o, r=case_th_bottom);
123 circleat(epp1, r=case_th_side);
124 rectfromto(epp0, epp4);
126 polygon([ epp5 + [0,10],
133 module LidEdgeProfile(){
142 circleat(lpp12, r=lp_r12);
143 rectfromto( lpp12 + [-10, 0],
144 lpp12 + [+10, +10] );
148 module ButtonCoverProfile(){
150 polygon([ bppM, bppP, bppO, bppJ, bppL, bppK ]);
158 module ButtonPlan(l, deep, cut){
160 (cut ? 0 : lid_buttoncover_gap);
163 (deep ? lid_buttoncover_overlap : 0);
165 C = [0,0]; // by definition
169 B0 = C + [0,-1] * button_cutout_depth;
170 B1 = B0 + [0,1] * epsilon;
172 r0 = 0.5 * (T[1] - B0[1]);
173 A = [ -(l + button_l_fudge)/2 + r0, 0.5 * (T[1] + B0[1]) ];
174 H = A + [0,-1] * delta;
180 E1 = E0 + [1,0] * epsilon;
182 I0 = [ E0[0], H[1] ];
183 I1 = [ E1[0], H[1] ];
186 for (m=[0,1]) mirror([m,0])
187 circleat(H, r0 - epsilon);
189 for (m=[0,1]) mirror([m,0]) {
199 circleat(D, r0 + epsilon);
204 module CaseBase_rhsflip(yn=[0,1]) {
206 translate([phone_width/2, 0, 0])
208 translate([-phone_width/2, 0, 0])
213 module CaseBase_botflip() {
215 translate([0, -phone_height/2, 0])
217 translate([0, phone_height/2, 0])
222 module AroundEdges(fill_zstart, fill_th, fill_downwards=0){
225 translate([0, -phone_cnr_rad, 0])
227 linear_extrude(height = phone_height - phone_cnr_rad*2)
231 CaseBase_rhsflip() CaseBase_botflip() {
232 translate([+1,-1] * phone_cnr_rad)
237 translate([-1,0] * phone_cnr_rad)
239 rectfromto([0,-20],[10,20]);
241 translate([-10, 0, -20] + 0.01 * [+1,-1, 0] )
247 translate([ phone_width - phone_cnr_rad, 0,0 ])
249 linear_extrude(height = phone_width - phone_cnr_rad*2)
253 translate([0,0, fill_zstart])
254 mirror([0,0, fill_downwards])
255 linear_extrude(height = fill_th)
256 rectfromto([+1,-1] * phone_cnr_rad,
257 [phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
260 module SideButton(y,l){
262 translate([0, -y, 0])
267 CaseBase_rhsflip([1]) SideButton(20.6, 8.8) children(); // power
270 module Struts(x_start, z_min, th){
271 // if th is negative, starts at z_min and works towards -ve z
272 // and object should then be printed other way up
273 for (i= [1 : 1 : case_struts_count]) {
277 mirror([0,0, th<0 ? 1 : 0])
279 -phone_height * i / (case_struts_count+1),
280 case_struts_solid_below])
281 linear_extrude(height= abs(th)
282 -(case_struts_solid_below+case_struts_solid_above))
283 rectfromto([ x_start, -0.5 * case_struts_width ],
284 [ phone_width - x_start, +0.5 * case_struts_width ]);
289 AroundEdges(epp3[1], case_th_bottom, 1)
293 module Case(){ ////toplevel
298 // ledge (fixed keeper)
301 linear_extrude(height = phone_height + phone_cnr_rad * 2)
304 // outline of the whole case, to stop it protruding
305 translate([0,0, -25])
306 linear_extrude(height = 50)
308 // CaseBase_rhsflip() // actually, we only care about the LH
310 circleat([+1,-1] * phone_cnr_rad, phone_cnr_rad + case_th_side/2);
316 translate([0, -phone_cnr_rad, 0])
318 linear_extrude(height = phone_height + phone_cnr_rad * 2)
321 rectfromto([ -keeper_gap_x, -keeper_gap_z_bot ],
322 [ keeper_gap_x_holes, +keeper_gap_z_top ]);
326 CaseBase_rhsflip([1])
328 linear_extrude(height = 20)
331 rectfromto(camera_pos_tl, camera_pos_br);
333 // struts (invisible, because they're buried in the case)
334 Struts(epp2i[0], epp2i[1] - case_th_bottom, case_th_bottom);
340 linear_extrude(height= 20)
341 ButtonPlan($button_l, 0,1);
342 translate([0,0, -bppR[0]])
343 linear_extrude(height= 20)
344 ButtonPlan($button_l, 1,1);
350 module Lid(){ ////toplevel
353 AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
361 linear_extrude(height= 20)
362 ButtonPlan($button_l, 1,0);
364 translate([0,0,-100])
365 linear_extrude(height= 200)
366 ButtonCoverProfile();
370 Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid);
374 module TestLength(){ ////toplevel
377 translate([-30, -200, -20])
378 cube([30 + 15, 250, 40]);
382 module TestSelectWidth(){
383 translate([-30, -(phone_height - 25), -20])
388 module TestWidth(){ ////toplevel
395 module TestLidWidthPrint(){ ////toplevel
396 rotate([0,180.0]) TestLidWidth();
399 module TestSelectCamera(){
402 linear_extrude(height = 50)
404 rectfromto([-20, -20],
405 camera_pos_br + bumper + [ 5, 5 ]);
408 module TestCamera(){ ////toplevel
415 module TestLidByCamera(){ ////toplevel
422 module TestLidByCameraPrint(){ ////toplevel
423 rotate([180,0,0]) TestLidByCamera();
426 module DemoByCamera(){ ////toplevel
427 color("blue") TestLidByCamera();
428 color("red") TestCamera();
431 module OneKeeper(){ ////toplevel
432 translate([0, -phone_cnr_rad, 0])
434 linear_extrude(height = phone_height - phone_cnr_rad * 2)
438 module OneKeeperPrint(){ ////toplevel
443 module Keeper(){ ////toplevel
448 module ButtonPlanForDemo(z, deep, cut){
450 ButtonPlan(8, deep, cut);
453 module DemoProfiles(){ ////toplevel
457 translate([0,0,-1]) color("black") KeeperProfile(1);
463 demopoint_QR = [ bppS[0], bppQ[1] - 0.1];
465 color("blue") ButtonCoverProfile();
467 rectfromto(bppQ, demopoint_QR);
468 rectfromto(bppR, demopoint_QR);
473 color("black") ButtonPlanForDemo(-2, 0,1);
474 color("red" ) ButtonPlanForDemo(-4, 1,1);
475 color("blue") ButtonPlanForDemo(-6, 1,0);