3 phone = [ 145.0, 75.0 ];
5 bumpers = [ 1.5, 1.75 ]; // both sides together
9 button_cutout_depth = 9;
11 phone_edge_thick = 9.0;
12 phone_total_thick = 12.0;
13 phone_backside_slope_inner = 1.5; // larger means shallower
14 phone_backside_slope_outer = 1.0; // larger means shallower
16 camera_pos_tl = [ 7.0, 13.0 ]; // measured from tl corner
17 camera_pos_br = [ 22.85,37.85]; // tl/br as seen from back
24 case_struts_count = 6;
25 case_struts_solid_below = 1.00;
26 case_struts_solid_above = 0.75;
27 case_struts_width = 0.10;
31 keeper_inner_width = 2.75;
32 keeper_inner_height = 2.75;
33 keeper_slant_slope = 2; // larger means steeper
35 keeper_gap_z_top = 0.25;
36 keeper_gap_z_bot = 0.75;
38 keeper_gap_x_holes = 0.75;
51 strut_min_at_end = 1.5;
53 // ---------- calculated ----------
55 phone_height = (phone + bumpers)[0];
56 phone_width = (phone + bumpers)[1];
58 // ----- could be changed -----
59 lid_buttoncover_gap = lid_gap_x;
60 lid_buttoncover_overlap = case_th_lip + keeper_gap_z_top;
62 phone_backside_slope_thick = phone_total_thick - phone_edge_thick;
64 //lid_lip_overlap_width xxx bad name = ;
65 //lid_lip_inner_slope = [ 5, 5 ]; // xxx
68 epp1 = [0, -phone_edge_thick];
69 epp2i = epp1 + phone_backside_slope_thick * [ phone_backside_slope_inner, -1 ];
70 epp2o = epp1 + phone_backside_slope_thick * [ phone_backside_slope_outer, -1 ];
71 epp3 = epp2i + [10, 0];
72 epp5 = epp0 + [0,1] * (keeper_th_z + keeper_gap_z_top + case_lip);
73 epp4 = epp5 + [-1,0] * case_th_side;
76 kppd = kppe + [1,0] * keeper_inner_width;
77 kppc = kppd + [0,1] * keeper_th_z;
78 kppb = [ kppe[0] - keeper_th_x, kppc[1] ];
79 kppf = kppe - [0,1] * keeper_inner_height;
80 kppa = [ kppb[0], kppf[1] ];
82 lpp10 = [ epp5[0] + lid_gap_x, kppc[1] + lid_gap_z ];
83 lpp11 = [ lpp10[0], epp5[1] + lid_gap_z ];
85 lp_r12 = case_th_lid - (lpp11[1] - lpp10[1]);
87 lpp12 = [ epp4[0] + lp_r12, lpp11[1] ];
88 lpp13 = [ lpp12[0], lpp12[1] + lp_r12 ];
94 bppN = [ 0.5 * (epp0[0] + epp4[0]), bppM[1] ];
95 bppR = [ bppN[0] + lid_buttoncover_gap, -button_cutout_depth ];
96 bppS = [ epp1[0], bppR[1] ];
97 bppQ = [ bppM[0], bppR[1] - lid_buttoncover_overlap ];
98 bppP = bppQ + [0,1] * lid_buttoncover_gap;
99 bppO = [ bppN[0], bppP[1] ];
100 bppL = lpp10 + [5,0];
101 bppK = [ bppL[0], bppN[1] ];
102 bppJ = [ bppN[0], bppL[1] ];
104 module rectfromto(a,b) {
106 translate([min(a[0], b[0]), min(a[1], b[1])])
107 square([abs(ab[0]), abs(ab[1])]);
109 module circleat(c,r) { translate(c) circle(r); }
111 module KeeperProfile(slant=0){
112 use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope;
113 polygon([use_e, kppd, kppc, kppb, kppa, kppf]);
116 module EdgeProfile(){
119 translate(epp3) square(case_th_bottom*2, center=true);
120 circleat(epp2o, r=case_th_bottom);
121 circleat(epp1, r=case_th_side);
122 rectfromto(epp0, epp4);
124 polygon([ epp5 + [0,10],
131 module LidEdgeProfile(){
140 circleat(lpp12, r=lp_r12);
141 rectfromto( lpp12 + [-10, 0],
142 lpp12 + [+10, +10] );
146 module ButtonCoverProfile(){
148 polygon([ bppM, bppP, bppO, bppJ, bppL, bppK ]);
156 module ButtonPlan(l, deep, cut){
158 (cut ? 0 : lid_buttoncover_gap);
161 (deep ? lid_buttoncover_overlap : 0);
163 C = [0,0]; // by definition
167 B0 = C + [0,-1] * button_cutout_depth;
168 B1 = B0 + [0,1] * epsilon;
170 r0 = 0.5 * (T[1] - B0[1]);
171 A = [ -(l + button_l_fudge)/2 + r0, 0.5 * (T[1] + B0[1]) ];
172 H = A + [0,-1] * delta;
178 E1 = E0 + [1,0] * epsilon;
180 I0 = [ E0[0], H[1] ];
181 I1 = [ E1[0], H[1] ];
184 for (m=[0,1]) mirror([m,0])
185 circleat(H, r0 - epsilon);
187 for (m=[0,1]) mirror([m,0]) {
197 circleat(D, r0 + epsilon);
202 module CaseBase_rhsflip(yn=[0,1]) {
204 translate([phone_width/2, 0, 0])
206 translate([-phone_width/2, 0, 0])
211 module CaseBase_botflip() {
213 translate([0, -phone_height/2, 0])
215 translate([0, phone_height/2, 0])
220 module AroundEdges(fill_zstart, fill_th, fill_downwards=0){
223 translate([0, -phone_cnr_rad, 0])
225 linear_extrude(height = phone_height - phone_cnr_rad*2)
229 CaseBase_rhsflip() CaseBase_botflip() {
230 translate([+1,-1] * phone_cnr_rad)
235 translate([-1,0] * phone_cnr_rad)
237 rectfromto([0,-20],[10,20]);
239 translate([-10, 0, -20] + 0.01 * [+1,-1, 0] )
245 translate([ phone_width - phone_cnr_rad, 0,0 ])
247 linear_extrude(height = phone_width - phone_cnr_rad*2)
251 translate([0,0, fill_zstart])
252 mirror([0,0, fill_downwards])
253 linear_extrude(height = fill_th)
254 rectfromto([+1,-1] * phone_cnr_rad,
255 [phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
258 module SideButton(y,l){
260 translate([0, -y, 0])
265 CaseBase_rhsflip([1]) SideButton(20.6, 8.8) children(); // power
268 module Struts(x_start, z_min, th){
269 // if th is negative, starts at z_min and works towards -ve z
270 // and object should then be printed other way up
271 for (i= [1 : 1 : case_struts_count]) {
275 mirror([0,0, th<0 ? 1 : 0])
277 -phone_height * i / (case_struts_count+1),
278 case_struts_solid_below])
279 linear_extrude(height= abs(th)
280 -(case_struts_solid_below+case_struts_solid_above))
281 rectfromto([ x_start, -0.5 * case_struts_width ],
282 [ phone_width - x_start, +0.5 * case_struts_width ]);
287 AroundEdges(epp3[1], case_th_bottom, 1)
291 module Case(){ ////toplevel
296 // ledge (fixed keeper)
299 linear_extrude(height = phone_height + phone_cnr_rad * 2)
302 // outline of the whole case, to stop it protruding
303 translate([0,0, -25])
304 linear_extrude(height = 50)
306 // CaseBase_rhsflip() // actually, we only care about the LH
308 circleat([+1,-1] * phone_cnr_rad, phone_cnr_rad + case_th_side/2);
314 translate([0, -phone_cnr_rad, 0])
316 linear_extrude(height = phone_height + phone_cnr_rad * 2)
319 rectfromto([ -keeper_gap_x, -keeper_gap_z_bot ],
320 [ keeper_gap_x_holes, +keeper_gap_z_top ]);
324 CaseBase_rhsflip([1])
326 linear_extrude(height = 20)
328 rectfromto(camera_pos_tl, camera_pos_br);
330 // struts (invisible, because they're buried in the case)
331 Struts(epp2i[0], epp2i[1] - case_th_bottom, case_th_bottom);
337 linear_extrude(height= 20)
338 ButtonPlan($button_l, 0,1);
339 translate([0,0, -bppR[0]])
340 linear_extrude(height= 20)
341 ButtonPlan($button_l, 1,1);
347 module Lid(){ ////toplevel
350 AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
358 linear_extrude(height= 20)
359 ButtonPlan($button_l, 1,0);
361 translate([0,0,-100])
362 linear_extrude(height= 200)
363 ButtonCoverProfile();
367 Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid);
371 module TestLength(){ ////toplevel
374 translate([-30, -200, -20])
375 cube([30 + 15, 250, 40]);
379 module TestSelectWidth(){
380 translate([-30, -(phone_height - 25), -20])
385 module TestWidth(){ ////toplevel
392 module TestLidWidthPrint(){ ////toplevel
393 rotate([0,180.0]) TestLidWidth();
396 module TestSelectCamera(){
399 linear_extrude(height = 50)
401 rectfromto([-20, -20],
402 camera_pos_br + [ 5, 5 ]);
405 module TestCamera(){ ////toplevel
412 module TestLidByCamera(){ ////toplevel
419 module TestLidByCameraPrint(){ ////toplevel
420 rotate([180,0,0]) TestLidByCamera();
423 module DemoByCamera(){ ////toplevel
424 color("blue") TestLidByCamera();
425 color("red") TestCamera();
428 module OneKeeper(){ ////toplevel
429 translate([0, -phone_cnr_rad, 0])
431 linear_extrude(height = phone_height - phone_cnr_rad * 2)
435 module OneKeeperPrint(){ ////toplevel
440 module Keeper(){ ////toplevel
445 module ButtonPlanForDemo(z, deep, cut){
447 ButtonPlan(8, deep, cut);
450 module DemoProfiles(){ ////toplevel
454 translate([0,0,-1]) color("black") KeeperProfile(1);
460 demopoint_QR = [ bppS[0], bppQ[1] - 0.1];
462 color("blue") ButtonCoverProfile();
464 rectfromto(bppQ, demopoint_QR);
465 rectfromto(bppR, demopoint_QR);
470 color("black") ButtonPlanForDemo(-2, 0,1);
471 color("red" ) ButtonPlanForDemo(-4, 1,1);
472 color("blue") ButtonPlanForDemo(-6, 1,0);