3 phone_height = 146.5 - .80;
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 = [ 24.0, 39.5 ]; // tl/br as seen from back
23 case_struts_count = 6;
24 case_struts_solid_below = 0.75;
25 case_struts_solid_above = 1.00;
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 // ---------- calculated ----------
52 // ----- could be changed -----
53 lid_buttoncover_gap = lid_gap_x;
54 lid_buttoncover_overlap = case_th_lip + keeper_gap_z_top;
56 phone_backside_slope_thick = phone_total_thick - phone_edge_thick;
58 //lid_lip_overlap_width xxx bad name = ;
59 //lid_lip_inner_slope = [ 5, 5 ]; // xxx
62 epp1 = [0, -phone_edge_thick];
63 epp2i = epp1 + phone_backside_slope_thick * [ phone_backside_slope_inner, -1 ];
64 epp2o = epp1 + phone_backside_slope_thick * [ phone_backside_slope_outer, -1 ];
65 epp3 = epp2i + [10, 0];
66 epp5 = epp0 + [0,1] * (keeper_th_z + keeper_gap_z_top + case_lip);
67 epp4 = epp5 + [-1,0] * case_th_side;
70 kppd = kppe + [1,0] * keeper_inner_width;
71 kppc = kppd + [0,1] * keeper_th_z;
72 kppb = [ kppe[0] - keeper_th_x, kppc[1] ];
73 kppf = kppe - [0,1] * keeper_inner_height;
74 kppa = [ kppb[0], kppf[1] ];
76 lpp10 = [ epp5[0] + lid_gap_x, kppc[1] + lid_gap_z ];
77 lpp11 = [ lpp10[0], epp5[1] + lid_gap_z ];
78 lpp12 = [ epp4[0] + lid_lip, lpp11[1] ];
79 lpp13 = [ lpp12[0], lpp12[1] + lid_lip ];
83 bppN = [ 0.5 * (epp0[0] + epp4[0]), bppM[1] ];
84 bppR = [ bppN[0] + lid_buttoncover_gap, -button_cutout_depth ];
85 bppS = [ epp1[0], bppR[1] ];
86 bppQ = [ bppM[0], bppR[1] - lid_buttoncover_overlap ];
87 bppP = bppQ + [0,1] * lid_buttoncover_gap;
88 bppO = [ bppN[0], bppP[1] ];
90 bppK = [ bppL[0], bppN[1] ];
91 bppJ = [ bppN[0], bppL[1] ];
93 module rectfromto(a,b) {
95 translate([min(a[0], b[0]), min(a[1], b[1])])
96 square([abs(ab[0]), abs(ab[1])]);
98 module circleat(c,r) { translate(c) circle(r); }
100 module KeeperProfile(slant=0){
101 use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope;
102 polygon([use_e, kppd, kppc, kppb, kppa, kppf]);
105 module EdgeProfile(){
108 translate(epp3) square(case_th_bottom*2, center=true);
109 circleat(epp2o, r=case_th_bottom);
110 circleat(epp1, r=case_th_side);
111 rectfromto(epp0, epp4);
113 polygon([ epp5 + [0,10],
120 module LidEdgeProfile(){
129 circleat(lpp12, r=lid_lip);
130 rectfromto( lpp12 + [-10, 0],
131 lpp12 + [+10, +10] );
135 module ButtonCoverProfile(){
137 polygon([ bppM, bppP, bppO, bppJ, bppL, bppK ]);
145 module ButtonPlan(l, deep, cut){
147 (deep ? lid_buttoncover_overlap : 0) +
148 (cut ? 0 : -lid_buttoncover_gap);
151 (cut ? 0 : lid_buttoncover_gap);
153 C = [0,0]; // by definition
156 B0 = C + [0,-1] * button_cutout_depth;
157 r0 = 0.5 * (T[1] - B0[1]);
158 A = [ -(l + button_l_fudge)/2 + r0, 0.5 * (T[1] + B0[1]) ];
160 // | D1 - A | = r1 * 2
161 // D1_y = T_y - r1 + d_D1_y
162 // => 4 * r1^2 = (r1-r0 + d_D1_y)^2 + (D1_x - A_x)^2
163 // => D1_x = A_x + v/~ [ 4 * r1^2 - (r1-r0 + d_D1_y)^2 ]
164 D1 = [ A[0] - sqrt( 4*r1*r1 - pow(bigger + d_D1_y, 2) ),
165 T[1] - r1 + d_D1_y ];
170 for (m=[0,1]) mirror([m,0])
173 for (m=[0,1]) mirror([m,0]) {
187 module CaseBase_rhsflip(yn=[0,1]) {
189 translate([phone_width/2, 0, 0])
191 translate([-phone_width/2, 0, 0])
196 module CaseBase_botflip() {
198 translate([0, -phone_height/2, 0])
200 translate([0, phone_height/2, 0])
205 module AroundEdges(fill_zstart, fill_th, fill_downwards=0){
208 translate([0, -phone_cnr_rad, 0])
210 linear_extrude(height = phone_height - phone_cnr_rad*2)
214 CaseBase_rhsflip() CaseBase_botflip() {
215 translate([+1,-1] * phone_cnr_rad)
220 translate([-1,0] * phone_cnr_rad)
222 rectfromto([0,-20],[10,20]);
224 translate([-10, 0, -20] + 0.01 * [+1,-1, 0] )
230 translate([ phone_width - phone_cnr_rad, 0,0 ])
232 linear_extrude(height = phone_width - phone_cnr_rad*2)
236 translate([0,0, fill_zstart])
237 mirror([0,0, fill_downwards])
238 linear_extrude(height = fill_th)
239 rectfromto([+1,-1] * phone_cnr_rad,
240 [phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
244 AroundEdges(epp3[1], case_th_bottom, 1)
248 module Case(){ ////toplevel
253 // ledge (fixed keeper)
256 linear_extrude(height = phone_height + phone_cnr_rad * 2)
259 // outline of the whole case, to stop it protruding
260 translate([0,0, -25])
261 linear_extrude(height = 50)
263 // CaseBase_rhsflip() // actually, we only care about the LH
265 circleat([+1,-1] * phone_cnr_rad, phone_cnr_rad + case_th_side/2);
271 translate([0, -phone_cnr_rad, 0])
273 linear_extrude(height = phone_height + phone_cnr_rad * 2)
276 rectfromto([ -keeper_gap_x, -keeper_gap_z_bot ],
277 [ keeper_gap_x_holes, +keeper_gap_z_top ]);
281 CaseBase_rhsflip([1])
283 linear_extrude(height = 20)
285 rectfromto(camera_pos_tl, camera_pos_br);
287 // struts (invisible, because they're buried in the case)
288 for (i= [1 : 1 : case_struts_count]) {
290 -phone_height * i / (case_struts_count+1),
291 epp2i[1] - case_th_bottom + case_struts_solid_below])
292 linear_extrude(height= case_th_bottom
293 -(case_struts_solid_below+case_struts_solid_above))
294 rectfromto([ epp2i[0], -0.5 * case_struts_width ],
295 [ phone_width - epp2i[0], +0.5 * case_struts_width ]);
300 module Lid(){ ////toplevel
301 AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
305 module TestLength(){ ////toplevel
308 translate([-30, -200, -20])
309 cube([30 + 15, 250, 40]);
313 module TestWidth(){ ////toplevel
316 translate([-30, -(phone_height - 25), -20])
322 module TestLidWidthPrint(){ ////toplevel
326 translate([-30, -(phone_height - 25), -20])
332 module TestCamera(){ ////toplevel
337 linear_extrude(height = 50)
339 rectfromto([-20, -20],
340 camera_pos_br + [ 5, 5 ]);
344 module OneKeeper(){ ////toplevel
345 translate([0, -phone_cnr_rad, 0])
347 linear_extrude(height = phone_height - phone_cnr_rad * 2)
351 module OneKeeperPrint(){ ////toplevel
356 module Keeper(){ ////toplevel
361 module ButtonPlanForDemo(colour, z, deep, cut){
364 ButtonPlan(8, deep, cut);
367 module DemoProfiles(){ ////toplevel
371 translate([0,0,-1]) color("black") KeeperProfile(1);
377 demopoint_QR = [ bppS[0], bppQ[1] - 0.1];
379 color("blue") ButtonCoverProfile();
381 rectfromto(bppQ, demopoint_QR);
382 rectfromto(bppR, demopoint_QR);
387 ButtonPlanForDemo("grey", -1, 0,1);
388 ButtonPlanForDemo("blue", -2, 1,0);
389 ButtonPlanForDemo("red", -3, 1,1);