// -*- C -*-
-phone_height = 146.5;
-phone_width = 76.75;
+include <utils.scad>
-phone_cnr_rad = 4.0;
+phone = [ 75.0, 145.0 ];
+
+bumper = [ 0.250, -0.025 ];
+// ^ One side. Overall size is increased by twice this.
+// If no bumpers, is the gap around the phone.
+
+phone_cnr_rad = 6.0;
+
+button_cutout_depth = 9;
phone_edge_thick = 9.0;
phone_total_thick = 12.0;
-phone_backside_slope = 1.0; // larger means shallower
+phone_backside_slope_inner = 1.5; // larger means shallower
+phone_backside_slope_outer = 1.0; // larger means shallower
+
+camera_pos_tl = [ 6.450, 12.750 ]; // measured from tl corner
+camera_pos_br = [ 22.300, 37.600 ]; // tl/br as seen from back
+
+jack_pos = [ 13.92, 7.96 ];
+jack_dia = 9.1 + .5; // some jack I had lying around
-camera_pos_tl = [ 7.5, 13.5 ]; // measured from tl corner
-camera_pos_br = [ 24.0, 39.5 ]; // tl/br as seen from back
+noisecancelmic_pos = [ 19.54, 7.37 ]; // from rhs
+noisecancelmic_dia = 1.75;
-case_th_bottom = 2;
-case_th_lid = 2;
+fingerpushhole_dias = [ 14, 17 ];
+
+rearspeaker_pos_bl = [ 14.92, 18.72 ];
+rearspeaker_size = [ 3.76, 7.36 ];
+
+case_th_bottom = 2.5;
+case_th_lid = 2.5;
case_th_side = 2;
case_th_lip = 1.2;
+case_struts_count = 6;
+case_struts_solid_below = 1.00;
+case_struts_solid_above = 0.75;
+case_struts_width = 0.10;
+
keeper_th_z = 0.75;
keeper_th_x = 0.75;
-keeper_inner_width = 1.75;
-keeper_inner_height = 1.75;
+keeper_inner_width = 2.75;
+keeper_inner_height = 2.75;
+keeper_slant_slope = 2; // larger means steeper
keeper_gap_z_top = 0.25;
-keeper_gap_z_bot = 0.25;
+keeper_gap_z_bot = 0.75;
keeper_gap_x = 0.25;
keeper_gap_x_holes = 0.75;
lid_gap_z = 0.25;
lid_lip = 1.75;
+foldover_gap = 0.50;
+foldover_lever_gap = 0.50;
+
+hingescrew_shaft_dia = 2.0 + 0.25; // M2 x 12mm machine screw
+hingescrew_shaft_len = 12;
+hingescrew_nut_thick = 1.93 + 0.20; // incl. washer
+hingescrew_nut_dia = 4.72 + 0.50; // washer, actually
+hingescrew_head_th = 1.38 + 0.75;
+lever_cover_th = 0.75;
+hingemount_th = 2.5;
+
$fa = 5;
$fs = 0.1;
-// calculated
+button_l_fudge = 4.4;
+buttonishleg_default_l_is_fudge = 10;
+
+strut_min_at_end = 1.5;
+
+hinge_x_gap = 0.125;
+hinge_x_postscrew_gap = 0.75;
+hinge_x_arms_gap = 0.35;
+hinge_r_arms_gap = 0.55;
+
+rearspeaker_gap = [ 1.0, 1.0 ]; // each side
+
+// ---------- calculated ----------
+
+phone_width = (phone + bumper*2)[0];
+phone_height = (phone + bumper*2)[1];
+
+inside_br = [phone_width, -phone_height];
+
+//echo(camera_pos_tl + bumper,
+// camera_pos_br + bumper);
+
+// ----- could be changed -----
+lid_buttoncover_gap = lid_gap_x;
+lid_buttoncover_overlap = case_th_lip + keeper_gap_z_top;
phone_backside_slope_thick = phone_total_thick - phone_edge_thick;
epp0 = [0,0];
epp1 = [0, -phone_edge_thick];
-epp2 = epp1 + phone_backside_slope_thick * [ phone_backside_slope, -1 ];
-epp3 = epp2 + [10, 0];
+epp2i = epp1 + phone_backside_slope_thick * [ phone_backside_slope_inner, -1 ];
+epp2o = epp1 + phone_backside_slope_thick * [ phone_backside_slope_outer, -1 ];
+epp3 = epp2i + [10, 0];
epp5 = epp0 + [0,1] * (keeper_th_z + keeper_gap_z_top + case_lip);
epp4 = epp5 + [-1,0] * case_th_side;
lpp10 = [ epp5[0] + lid_gap_x, kppc[1] + lid_gap_z ];
lpp11 = [ lpp10[0], epp5[1] + lid_gap_z ];
-lpp12 = [ epp4[0] + lid_lip, lpp11[1] ];
-lpp13 = [ lpp12[0], lpp12[1] + lid_lip ];
-
-module rectfromto(a,b) {
- ab = b - a;
- translate([min(a[0], b[0]), min(a[1], b[1])])
- square([abs(ab[0]), abs(ab[1])]);
-}
-module circleat(c,r) { translate(c) circle(r); }
-module KeeperProfile(){
- polygon([kppe, kppd, kppc, kppb, kppa, kppf]);
+lp_r12 = case_th_lid - (lpp11[1] - lpp10[1]);
+
+lpp12 = [ epp4[0] + lp_r12, lpp11[1] ];
+lpp13 = [ lpp12[0], lpp12[1] + lp_r12 ];
+
+// button profile
+bppM = epp4 + [0,5];
+bppN = [ 0.5 * (epp0[0] + epp4[0]), bppM[1] ];
+bppR = [ bppN[0] + lid_buttoncover_gap, -button_cutout_depth ];
+bppS = [ epp1[0], bppR[1] ];
+bppQ = [ bppM[0], bppR[1] - lid_buttoncover_overlap ];
+bppP = bppQ + [0,1] * lid_buttoncover_gap;
+bppO = [ bppN[0], bppP[1] ];
+bppL = lpp10 + [5,0];
+bppK = [ bppL[0], bppN[1] ];
+bppJ = [ bppN[0], bppL[1] ];
+
+// hinge plan
+hp_rn = hingescrew_nut_dia/2;
+hp_r2 = hp_rn + lever_cover_th;
+hp_rs = hingescrew_shaft_dia/2;
+hp_r1 = hp_rs + hingemount_th;
+
+hppU = lpp13;
+hppS = epp2o + [0,-1] * case_th_bottom;
+hp_k = 0.5 * (hppU[1] - hppS[1] + foldover_gap);
+
+hppM = [ epp4[0] - foldover_lever_gap - hp_r2,
+ 0.5 * (hppU + hppS)[1] ];
+hppT = hppM + 0.5 * [0,+1] * hp_k;
+hppB = hppM + 0.5 * [0,-1] * hp_k;
+
+// hinge elevation x coords
+
+hingescrew_portion_len =
+ 0.5* (hingescrew_shaft_len - hingescrew_nut_thick - hinge_x_gap);
+
+hex20 = max(epp2o[0],
+ phone_cnr_rad,
+ kppd[0] + hingescrew_head_th + keeper_gap_x_holes);
+hex21 = hex20 + hingescrew_portion_len;
+hex22 = hex21 - hinge_x_gap;
+hex23 = hex22 + hingescrew_portion_len;
+hex24 = hex23 + hinge_x_postscrew_gap;
+
+// ---------- modules ----------
+
+module KeeperProfile(slant=0){
+ use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope;
+ polygon([use_e, kppd, kppc, kppb, kppa, kppf]);
}
module EdgeProfile(){
difference(){
hull(){
translate(epp3) square(case_th_bottom*2, center=true);
- circleat(epp2, r=case_th_bottom);
+ circleat(epp2o, r=case_th_bottom);
circleat(epp1, r=case_th_side);
rectfromto(epp0, epp4);
}
polygon([ epp5 + [0,10],
epp1,
- epp2,
+ epp2i,
epp3 + [10,0] ]);
}
}
lpp10 + [10, 0]
]);
intersection(){
- circleat(lpp12, r=lid_lip);
+ circleat(lpp12, r=lp_r12);
rectfromto( lpp12 + [-10, 0],
lpp12 + [+10, +10] );
}
}
-module CaseBase_rhsflip(yn=[0,1]) {
- for (rhs=yn) {
+module ButtonCoverProfile(){
+ intersection(){
+ polygon([ bppM, bppP, bppO, bppJ, bppL, bppK ]);
+ hull(){
+ EdgeProfile();
+ LidEdgeProfile();
+ }
+ }
+}
+
+module ButtonPlan(l, deep, cut){
+ epsilon =
+ (cut ? 0 : lid_buttoncover_gap);
+
+ delta =
+ (deep ? lid_buttoncover_overlap : 0);
+
+ C = [0,0]; // by definition
+ T = [ 0, epp4[1] ];
+ G = T + [0,10];
+
+ B0 = C + [0,-1] * button_cutout_depth;
+ B1 = B0 + [0,1] * epsilon;
+
+ r0 = 0.5 * (T[1] - B0[1]);
+ A = [ -(l + button_l_fudge)/2 + r0, 0.5 * (T[1] + B0[1]) ];
+ H = A + [0,-1] * delta;
+
+ D = A + [-2,0] * r0;
+ F = D + [0,10];
+
+ E0 = 0.5 * (D + A);
+ E1 = E0 + [1,0] * epsilon;
+
+ I0 = [ E0[0], H[1] ];
+ I1 = [ E1[0], H[1] ];
+
+ hull(){
+ for (m=[0,1]) mirror([m,0])
+ circleat(H, r0 - epsilon);
+ }
+ for (m=[0,1]) mirror([m,0]) {
+ difference(){
+ polygon([ E1,
+ I1,
+ H,
+ B1,
+ G,
+ F,
+ D
+ ]);
+ circleat(D, r0 + epsilon);
+ }
+ }
+}
+
+module Flip_rhs(yn=[0,1]) {
+ for ($rhsflip=yn) {
translate([phone_width/2, 0, 0])
- mirror([rhs,0,0])
+ mirror([$rhsflip,0,0])
translate([-phone_width/2, 0, 0])
children();
}
}
-module CaseBase_botflip() {
- for (bot=[0,1]) {
+module Flip_bot(yn=[0,1]) {
+ for ($botflip=yn) {
translate([0, -phone_height/2, 0])
- mirror([0, bot, 0])
+ mirror([0, $botflip, 0])
translate([0, phone_height/2, 0])
children();
}
module AroundEdges(fill_zstart, fill_th, fill_downwards=0){
// sides
- CaseBase_rhsflip(){
+ Flip_rhs(){
translate([0, -phone_cnr_rad, 0])
rotate([90,0,0])
linear_extrude(height = phone_height - phone_cnr_rad*2)
children(0);
}
// corners
- CaseBase_rhsflip() CaseBase_botflip() {
+ Flip_rhs() Flip_bot() {
translate([+1,-1] * phone_cnr_rad)
intersection(){
rotate_extrude()
}
}
// top and bottom
- CaseBase_botflip(){
+ Flip_bot(){
translate([ phone_width - phone_cnr_rad, 0,0 ])
rotate([90,0,-90])
linear_extrude(height = phone_width - phone_cnr_rad*2)
[phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
}
+module CaseAperture(pos, dia, $fn) {
+ theta = 180/$fn;
+ translate([ pos[0] + bumper[0],
+ -epp2i[0],
+ -pos[1] ])
+ rotate([-90, theta, 0])
+ cylinder(r = dia/2 / cos(theta),
+ h = 60);
+}
+
+module SideButton(y, y_ref_sign, l){
+ // y_ref_sign:
+ // +1 measured from top of actual phone to top of button
+ // -1 measured from bottom of actual phone to bottom of button
+ // 0 y is centre of button in coordinate system
+ $button_l= l;
+ eff_y = y_ref_sign > 0 ? -bumper [1] -y -l/2 :
+ y_ref_sign < 0 ? (-phone -bumper)[1] +y +l/2 :
+ y;
+ //echo(eff_y);
+ translate([0, eff_y, 0])
+ children();
+}
+
+module LidButtonishLeg(y, y_ref_sign, l=buttonishleg_default_l_is_fudge) {
+ $button_leg_only = true;
+ SideButton(y, y_ref_sign, l) children();
+}
+
+module Buttons(){
+ Flip_rhs(1) SideButton(15.580, +1, 8.9) children(); // power
+ Flip_rhs(1) SideButton(48.700, -1, 8.920) children(); // camera
+ Flip_rhs(0) SideButton(30.800, +1, 21.96) children(); // volume
+ Flip_rhs( ) LidButtonishLeg(20, -1) children();
+// Flip_rhs(0) LidButtonishLeg(20, +1, 20) children();
+}
+
+module Struts(x_start, z_min, th){
+ // if th is negative, starts at z_min and works towards -ve z
+ // and object should then be printed other way up
+ for (i= [1 : 1 : case_struts_count]) {
+ translate([0,
+ 0,
+ z_min])
+ mirror([0,0, th<0 ? 1 : 0])
+ translate([0,
+ -phone_height * i / (case_struts_count+1),
+ case_struts_solid_below])
+ linear_extrude(height= abs(th)
+ -(case_struts_solid_below+case_struts_solid_above))
+ rectfromto([ x_start, -0.5 * case_struts_width ],
+ [ phone_width - x_start, +0.5 * case_struts_width ]);
+ }
+}
+
+module OrdinaryRearAperture(rhs,bot, pos){
+ Flip_rhs(rhs) Flip_bot(bot)
+ linextr(-20, 20)
+ mirror([0,1])
+ translate(pos + bumper)
+ children();
+}
+
+module OrdinaryRearApertures(){
+ // rear speaker
+ OrdinaryRearAperture(1,1, rearspeaker_pos_bl)
+ rectfromto(-rearspeaker_gap,
+ rearspeaker_size + rearspeaker_gap);
+
+ // finger hole to remove phone
+ OrdinaryRearAperture(1,0, [ fingerpushhole_dias[0]/2 + epp2i[0],
+ phone[1]/2 ])
+ scale(fingerpushhole_dias)
+ circle(r= 0.5 );
+}
+
+module RearCameraAperture(){
+ Flip_rhs(1)
+ mirror([0, 0, 1])
+ linear_extrude(height = 20)
+ mirror([0, 1, 0])
+ translate(bumper)
+ rectfromto(camera_pos_tl, camera_pos_br);
+}
+
+module HingeLidProfile(){
+ hull(){
+ circleat(hppT, hp_r1);
+ circleat(lpp12, lp_r12);
+ polygon([lpp10,
+ lpp13 + [2,0],
+ lpp12,
+ hppT]);
+ }
+}
+
+module HingeBaseProfile(){
+ difference(){
+ hull(){
+ circleat(hppB, hp_r1);
+ circleat(epp2o, case_th_bottom);
+ circleat(hppB + [10,0], hp_r1);
+ }
+ polygon([epp5, epp1, epp2i, epp3, bppL]);
+ }
+}
+
+module HingeLeverOuterProfile(){
+ hull(){
+ circleat(hppT, hp_r2);
+ circleat(hppB, hp_r2);
+ }
+}
+
+module HingeLeverInnerProfile(){
+ for (c = [hppT, hppB]) {
+ hull()
+ for (x=[0,20])
+ translate([x,0])
+ circleat(c, hp_rn);
+ circleat(hppB, hp_rn);
+ }
+}
+
+module HingePortion(x0,x1){
+ Flip_rhs() Flip_bot(1)
+ translate([x0,0,0])
+ mirror([1,0,0])
+ rotate([90,0,-90])
+ linear_extrude(height=x1-x0)
+ children(0);
+}
+
module CaseBase(){
AroundEdges(epp3[1], case_th_bottom, 1)
EdgeProfile();
module Case(){ ////toplevel
difference(){
- CaseBase();
+ union(){
+ CaseBase();
+
+ // ledge (fixed keeper)
+ intersection(){
+ rotate([90, 0, 0])
+ linear_extrude(height = phone_height + phone_cnr_rad * 2)
+ KeeperProfile(1);
+
+ // outline of the whole case, to stop it protruding
+ translate([0,0, -25])
+ linear_extrude(height = 50)
+ hull()
+ // Flip_rhs() // actually, we only care about the LH
+ Flip_bot()
+ circleat([+1,-1] * phone_cnr_rad, phone_cnr_rad + case_th_side/2);
+ }
- // slots for keeper
- CaseBase_rhsflip()
+ // hinge
+ HingePortion(hex20, hex21) HingeBaseProfile();
+ }
+
+ // slot for keeper
+ Flip_rhs(1)
translate([0, -phone_cnr_rad, 0])
rotate([90, 0, 0])
linear_extrude(height = phone_height + phone_cnr_rad * 2)
}
// front camera
- CaseBase_rhsflip([1])
- mirror([0, 0, 1])
- linear_extrude(height = 20)
- mirror([0, 1, 0])
- rectfromto(camera_pos_tl, camera_pos_br);
+ RearCameraAperture();
+
+ // struts (invisible, because they're buried in the case)
+ Struts(epp2i[0], epp2i[1] - case_th_bottom, case_th_bottom);
+
+ Buttons(){
+ mirror([1,0,0])
+ rotate([90,0,90]) {
+ intersection(){
+ translate([0,0,-10])
+ linear_extrude(height= 20)
+ ButtonPlan($button_l, 0,1);
+ if ($button_leg_only)
+ rotate([-90,90,0])
+ translate([phone_width/2, -400, kppe[1]])
+ mirror([$rhsflip,0,0]) cube([400, 800, 50]);
+ }
+ translate([0,0, -bppR[0]])
+ linear_extrude(height= 20)
+ ButtonPlan($button_l, 1,1);
+ }
+ }
+
+ // apertures along top edge
+ CaseAperture(jack_pos, jack_dia, 8);
+ Flip_rhs(1)
+ CaseAperture(noisecancelmic_pos, noisecancelmic_dia, 20);
+
+ OrdinaryRearApertures();
+
+ // gaps for the lid's hinge arms
+ HingePortion(hex20 - hinge_x_arms_gap,
+ hex21 + hinge_x_arms_gap)
+ minkowski(){
+ HingeLidProfile();
+ circle(r= hinge_r_arms_gap, $fn= 8);
+ }
+ }
+}
+
+module Lid(){ ////toplevel
+ difference(){
+ union(){
+ AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
+ LidEdgeProfile();
+
+ // button covers
+ Buttons(){
+ intersection(){
+ rotate([90,0,90])
+ translate([0,0,-10])
+ linear_extrude(height= 20)
+ ButtonPlan($button_l, 1,0);
+ rotate([90,0,0])
+ translate([0,0,-100])
+ linear_extrude(height= 200)
+ ButtonCoverProfile();
+ }
+ }
+
+ // hinge arms
+ HingePortion(hex20, hex21) HingeLidProfile();
+ }
+ Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid);
}
}
+module TestSelectLength(){
+ translate([-30, -200, -20])
+ cube([30 + 15, 250, 40]);
+}
+
module TestLength(){ ////toplevel
intersection(){
Case();
- translate([-30, -200, -20])
- cube([30 + 15, 250, 40]);
+ TestSelectLength();
+ }
+}
+
+module TestLengthRight(){ ////toplevel
+ intersection(){
+ Case();
+ Flip_rhs(1)
+ TestSelectLength();
}
}
+module TestSelectWidth(){
+ translate([-30, -(phone_height - 25), -20])
+ mirror([0, 1, 0])
+ cube([200, 50, 40]);
+}
+
module TestWidth(){ ////toplevel
intersection(){
Case();
- translate([-30, -(phone_height - 25), -20])
- mirror([0, 1, 0])
- cube([200, 50, 40]);
+ TestSelectWidth();
+ }
+}
+
+module TestLidWidthPrint(){ ////toplevel
+ rotate([0,180.0]) intersection(){
+ Lid();
+ TestSelectWidth();
+ }
+}
+
+module TestSelectRearAperture(){
+ minkowski(){
+ union() children();
+ translate([20, 0,0])
+ cube([42, 2, 1], center=true);
+ }
+}
+
+module TestSelectCamera(){
+ minkowski(){
+ TestSelectRearAperture()
+ RearCameraAperture();
+ cube([0.1, 50, 0.1]);
}
}
+module TestSelectOrdinaryRearApertures(){
+ TestSelectRearAperture()
+ OrdinaryRearApertures();
+}
+
module TestCamera(){ ////toplevel
intersection(){
Case();
- CaseBase_rhsflip(1)
- translate([0,0,-25])
- linear_extrude(height = 50)
- mirror([0, 1, 0])
- rectfromto([-20, -20],
- camera_pos_br + [ 5, 5 ]);
+ TestSelectCamera();
+ }
+}
+
+module TestLidByCamera(){ ////toplevel
+ intersection(){
+ Lid();
+ TestSelectCamera();
}
}
+module TestLidByCameraPrint(){ ////toplevel
+ rotate([180,0,0]) TestLidByCamera();
+}
+
+module DemoByCamera(){ ////toplevel
+ color("blue") TestLidByCamera();
+ color("red") TestCamera();
+}
+
module OneKeeper(){ ////toplevel
translate([0, -phone_cnr_rad, 0])
rotate([90, 0, 0])
OneKeeper();
}
+module LidPrint(){ ////toplevel
+ rotate([0,180,0])
+ Lid();
+}
+
+module TestSelectFrame(){
+ include = [1,-1] * (epp2i[0] + 4);
+
+ difference(){
+ cube(1000, center=true);
+ translate([0,0, -100])
+ linear_extrude(height=200)
+ rectfromto(include, inside_br - include);
+ }
+}
+
+module TestFrameCase(){ ////toplevel
+ intersection(){
+ Case();
+ union(){
+ TestSelectFrame();
+ TestSelectCamera();
+ TestSelectOrdinaryRearApertures();
+ }
+ }
+}
+
+module TestFrameLidPrint(){ ////toplevel
+ rotate([0,0,180]) intersection(){
+ Lid();
+ TestSelectFrame();
+ }
+}
+
module Keeper(){ ////toplevel
- CaseBase_rhsflip()
+ Flip_rhs()
OneKeeper();
}
+module ButtonPlanForDemo(z, deep, cut){
+ translate([0,0,z])
+ ButtonPlan(8, deep, cut);
+}
+
+module DemoFrame(){ ////toplevel
+ color("red") TestFrameCase();
+ color("blue") intersection(){ Lid(); TestSelectFrame(); }
+}
+
module DemoProfiles(){ ////toplevel
LidEdgeProfile();
%EdgeProfile();
KeeperProfile();
+ translate([0,0,-1]) color("black") KeeperProfile(1);
+
+ translate([20,0]) {
+ LidEdgeProfile();
+ %EdgeProfile();
+
+ demopoint_QR = [ bppS[0], bppQ[1] - 0.1];
+
+ color("blue") ButtonCoverProfile();
+ color("red") {
+ rectfromto(bppQ, demopoint_QR);
+ rectfromto(bppR, demopoint_QR);
+ }
+ }
+
+ translate([-20,0]) {
+ color("black") ButtonPlanForDemo(-2, 0,1);
+ color("red" ) ButtonPlanForDemo(-4, 1,1);
+ color("blue") ButtonPlanForDemo(-6, 1,0);
+ }
+
+ translate([0, -30]) {
+ %LidEdgeProfile();
+ %EdgeProfile();
+ color("blue") HingeLidProfile();
+ color("red") HingeBaseProfile();
+ color("black") translate([0,0,-2]) HingeLeverOuterProfile();
+ color("orange") translate([0,0,-1]) HingeLeverInnerProfile();
+ }
}
//EdgeProfile();