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 = 1.75;
31 keeper_inner_height = 1.75;
33 keeper_gap_z_top = 0.25;
34 keeper_gap_z_bot = 0.75;
36 keeper_gap_x_holes = 0.75;
47 // ---------- calculated ----------
49 // ----- could be changed -----
50 lid_buttoncover_gap = lid_gap_x;
51 lid_buttoncover_overlap = case_th_lip + keeper_gap_z_top;
53 phone_backside_slope_thick = phone_total_thick - phone_edge_thick;
55 //lid_lip_overlap_width xxx bad name = ;
56 //lid_lip_inner_slope = [ 5, 5 ]; // xxx
59 epp1 = [0, -phone_edge_thick];
60 epp2i = epp1 + phone_backside_slope_thick * [ phone_backside_slope_inner, -1 ];
61 epp2o = epp1 + phone_backside_slope_thick * [ phone_backside_slope_outer, -1 ];
62 epp3 = epp2i + [10, 0];
63 epp5 = epp0 + [0,1] * (keeper_th_z + keeper_gap_z_top + case_lip);
64 epp4 = epp5 + [-1,0] * case_th_side;
67 kppd = kppe + [1,0] * keeper_inner_width;
68 kppc = kppd + [0,1] * keeper_th_z;
69 kppb = [ kppe[0] - keeper_th_x, kppc[1] ];
70 kppf = kppe - [0,1] * keeper_inner_height;
71 kppa = [ kppb[0], kppf[1] ];
73 lpp10 = [ epp5[0] + lid_gap_x, kppc[1] + lid_gap_z ];
74 lpp11 = [ lpp10[0], epp5[1] + lid_gap_z ];
75 lpp12 = [ epp4[0] + lid_lip, lpp11[1] ];
76 lpp13 = [ lpp12[0], lpp12[1] + lid_lip ];
80 bppN = [ 0.5 * (epp0[0] + epp4[0]), bppM[1] ];
81 bppR = [ bppN[0] + lid_buttoncover_gap, -button_cutout_depth ];
82 bppS = [ epp1[0], bppR[1] ];
83 bppQ = [ bppM[0], bppR[1] - lid_buttoncover_overlap ];
84 bppP = bppQ + [0,1] * lid_buttoncover_gap;
85 bppO = [ bppN[0], bppP[1] ];
87 bppK = [ bppL[0], bppN[1] ];
88 bppJ = [ bppN[0], bppL[1] ];
90 module rectfromto(a,b) {
92 translate([min(a[0], b[0]), min(a[1], b[1])])
93 square([abs(ab[0]), abs(ab[1])]);
95 module circleat(c,r) { translate(c) circle(r); }
97 module KeeperProfile(){
98 polygon([kppe, kppd, kppc, kppb, kppa, kppf]);
101 module EdgeProfile(){
104 translate(epp3) square(case_th_bottom*2, center=true);
105 circleat(epp2o, r=case_th_bottom);
106 circleat(epp1, r=case_th_side);
107 rectfromto(epp0, epp4);
109 polygon([ epp5 + [0,10],
116 module LidEdgeProfile(){
125 circleat(lpp12, r=lid_lip);
126 rectfromto( lpp12 + [-10, 0],
127 lpp12 + [+10, +10] );
131 module ButtonCoverProfile(){
133 polygon([ bppM, bppP, bppO, bppJ, bppL, bppK ]);
141 module ButtonPlan(l, deep, cut){
143 (deep ? lid_buttoncover_overlap : 0) +
144 (cut ? lid_buttoncover_gap : 0);
147 (cut ? 0 : lid_buttoncover_gap);
149 C = [0,0]; // by definition
152 B0 = T + [0,-1] * button_cutout_depth;
153 r0 = 0.5 * (T[1] - B0[1]);
154 A = [ -l/2 + r0, 0.5 * (T[1] + B0[1]) ];
156 // | D1 - A | = r1 * 2
157 // D1_y = T_y - r1 + d_D1_y
158 // => 4 * r1^2 = (r1-r0 + d_D1_y)^2 + (D1_x - A_x)^2
159 // => D1_x = A_x + v/~ [ 4 * r1^2 - (r1-r0 + d_D1_y)^2 ]
160 D1 = [ A[0] + sqrt( 4*r1*r1 - pow(bigger + d_D1_y, 2) ),
161 T[1] - r1 + d_D1_y ];
166 for (m=[0,1]) mirror([m,0])
169 for (m=[0,1]) mirror([m,0]) {
183 module CaseBase_rhsflip(yn=[0,1]) {
185 translate([phone_width/2, 0, 0])
187 translate([-phone_width/2, 0, 0])
192 module CaseBase_botflip() {
194 translate([0, -phone_height/2, 0])
196 translate([0, phone_height/2, 0])
201 module AroundEdges(fill_zstart, fill_th, fill_downwards=0){
204 translate([0, -phone_cnr_rad, 0])
206 linear_extrude(height = phone_height - phone_cnr_rad*2)
210 CaseBase_rhsflip() CaseBase_botflip() {
211 translate([+1,-1] * phone_cnr_rad)
216 translate([-1,0] * phone_cnr_rad)
218 rectfromto([0,-20],[10,20]);
220 translate([-10, 0, -20] + 0.01 * [+1,-1, 0] )
226 translate([ phone_width - phone_cnr_rad, 0,0 ])
228 linear_extrude(height = phone_width - phone_cnr_rad*2)
232 translate([0,0, fill_zstart])
233 mirror([0,0, fill_downwards])
234 linear_extrude(height = fill_th)
235 rectfromto([+1,-1] * phone_cnr_rad,
236 [phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
240 AroundEdges(epp3[1], case_th_bottom, 1)
244 module Case(){ ////toplevel
249 // ledge (fixed keeper)
252 linear_extrude(height = phone_height + phone_cnr_rad * 2)
255 // outline of the whole case, to stop it protruding
256 translate([0,0, -25])
257 linear_extrude(height = 50)
259 // CaseBase_rhsflip() // actually, we only care about the LH
261 circleat([+1,-1] * phone_cnr_rad, phone_cnr_rad + case_th_side/2);
267 translate([0, -phone_cnr_rad, 0])
269 linear_extrude(height = phone_height + phone_cnr_rad * 2)
272 rectfromto([ -keeper_gap_x, -keeper_gap_z_bot ],
273 [ keeper_gap_x_holes, +keeper_gap_z_top ]);
277 CaseBase_rhsflip([1])
279 linear_extrude(height = 20)
281 rectfromto(camera_pos_tl, camera_pos_br);
283 // struts (invisible, because they're buried in the case)
284 for (i= [1 : 1 : case_struts_count]) {
286 -phone_height * i / (case_struts_count+1),
287 epp2i[1] - case_th_bottom + case_struts_solid_below])
288 linear_extrude(height= case_th_bottom
289 -(case_struts_solid_below+case_struts_solid_above))
290 rectfromto([ epp2i[0], -0.5 * case_struts_width ],
291 [ phone_width - epp2i[0], +0.5 * case_struts_width ]);
296 module Lid(){ ////toplevel
297 AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
301 module TestLength(){ ////toplevel
304 translate([-30, -200, -20])
305 cube([30 + 15, 250, 40]);
309 module TestWidth(){ ////toplevel
312 translate([-30, -(phone_height - 25), -20])
318 module TestLidWidthPrint(){ ////toplevel
322 translate([-30, -(phone_height - 25), -20])
328 module TestCamera(){ ////toplevel
333 linear_extrude(height = 50)
335 rectfromto([-20, -20],
336 camera_pos_br + [ 5, 5 ]);
340 module OneKeeper(){ ////toplevel
341 translate([0, -phone_cnr_rad, 0])
343 linear_extrude(height = phone_height - phone_cnr_rad * 2)
347 module OneKeeperPrint(){ ////toplevel
352 module Keeper(){ ////toplevel
357 module ButtonPlanForDemo(colour, z, deep, cut){
360 ButtonPlan(8, deep, cut);
363 module DemoProfiles(){ ////toplevel
372 demopoint_QR = [ bppS[0], bppQ[1] - 0.1];
374 color("blue") ButtonCoverProfile();
376 rectfromto(bppQ, demopoint_QR);
377 rectfromto(bppR, demopoint_QR);
382 ButtonPlanForDemo("blue", 0, 0,0);
383 ButtonPlanForDemo("red", -1, 0,1);
384 ButtonPlanForDemo("yellow", -2, 1,0);
385 ButtonPlanForDemo("blue", -3, 1,1);