phone = [ 75.0, 145.0 ];
-prop_x_pos = 24;
prop_buildout_less = 3;
prop_angles = [ 15, 30, 45, 60 ];
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 = [ 14.38, 7.96 ];
+jack_pos = [ 13.83, 8.485 ];
jack_dia = 10.64 + .5; // some jack I had lying around
noisecancelmic_pos = [ 19.54, 7.37 ]; // from rhs
hingescrew_shaft_len = 12;
hingescrew_nut_thick = 1.93 + 0.20; // incl. washer
hingescrew_nut_dia = 4.72 + 0.50; // washer, actually
+hingescrew_nut_across = 3.92 + 0.25;
+hingescrew_nut_thick_real = 1.93;
hingescrew_head_th = 1.38 + 0.75;
hingescrew_head_dia = 3.92;
lever_cover_th = 0.75;
hingemount_th = 2.5;
+hingescrew_nut_recess_portion = 2/3; // portion of nut in recess
+
$fa = 5;
$fs = 0.1;
prop_end_dia = 0.5;
prop_main_th = 3;
prop_taper_len = 6;
-prop_main_width = 3;
+prop_main_width = 4;
prop_side_gap = 0.75; // each side
+prop_lidrecess_behind = 0.75;
prop_caserecess_behind = 0.75;
-prop_caserecess_taper = 0.25; // each side
+prop_caserecess_taper = 0.45; // one side only
+prop_prop_gap = 0.5;
+prop_prong_heel_slope = 0.5;
// ---------- calculated ----------
inside_br = [phone_width, -phone_height];
+prop_prong_h = prop_main_th;
+
//echo(camera_pos_tl + bumper,
// camera_pos_br + bumper);
bppL = lpp10 + [5,0];
bppK = [ bppL[0], bppN[1] ];
bppJ = [ bppN[0], bppL[1] ];
+bppU = [ bppJ[0], lpp12[1] ];
+bppV = lpp11;
+bppW = lpp10;
// hinge plan
hp_rn = hingescrew_nut_dia/2;
hex22 = hex21 + hinge_x_gap;
hex23 = hex22 + hingescrew_portion_len
- hingescrew_nut_thick; // bodge, need to divvy this up more sensibly
+hex26 = hex23 + hingescrew_nut_thick_real * 2/3;
hex24 = hex20 + hingescrew_shaft_len + hinge_x_postscrew_gap;
//echo(hex20, hex21, hex22, hex23, hex24);
//echo(hingescrew_portion_len);
cppV[1] - (catch_finger_height - cp_rQ) ];
cppF = [ cppV[0] + catch_finger_depth, cppC[1] ];
-// prop recess
+// prop recess in case
+
+prop_x_pos = phone_width/2;
prop_recess_hw = 0.5 * prop_main_width + prop_side_gap;
prcp2 = [ epp4[0] + prop_buildout_less,
case_bottom_z ];
-prop_caserecess_buildout_r = prcp2[0] - epp2o[0];
+prop_caserecess_buildout_r = -1; // prcp2[0] - epp2o[0];
+
+prcp1 = [ epp2o[0] + prc_r3 + prop_caserecess_behind,
+ epp2i[1] - prc_r3 - prop_recess_under];
+
+// prop recess in lid
-echo(prc_r3);
+prl_r10 = prop_end_dia/2;
+prl_r10o = prl_r10 + prop_recess_slop;
-prcp1 = [ prcp2[0] + prop_caserecess_behind + prc_r3,
- epp2i[1] - prc_r3 ];
+prlp10 = lpp10 + [1,1] * prl_r10o
+ + [1,0] * prop_lidrecess_behind
+ + [0,1] * prop_recess_under;
+
+// prop
+
+$prpp10 = [0,0];
+$prpp11 = [0, prop_taper_len];
+
+$prp_r10 = prl_r10;
// ---------- modules ----------
module ButtonCoverProfile(){
intersection(){
- polygon([ bppM, bppP, bppO, bppJ, bppL, bppK ]);
+ polygon(concat([ bppM, bppP, bppO, bppJ ],
+ (enable_support ? [ bppU, bppV, bppW ] : []),
+ [ bppL, bppK ]));
hull(){
EdgeProfile();
LidEdgeProfile();
}
module HingeLeverInnerProfile(){
- for (c = [hppT, hppB]) {
- hull()
+ for (s = [-1,+1]) {
+ c = s > 0 ? hppT : hppB;
+ translate(c)
+ mirror([0,0,s>0])
+ rotate(s<0 ? -40 : 0)
+ hull()
for (x=[-20,20])
- for (y=[0, c[1] - hppM[1]])
+ for (y=[0, s * 10])
translate([x,y])
- circleat(c, hp_rn);
+ circle(hp_rn);
+ }
+}
+
+module HingeLeverNutProfile(){
+ for (c= [hppB, hppT]) {
+ translate(c)
+ circle($fn=6, r= 0.5 * hingescrew_nut_across / cos(30));
}
}
-module Flip_hinge(){
+module Flip_hinge(doflip=1){
hinge_origin = [0, -(phone_height - hppB[0]), hppB[1]];
translate(hinge_origin)
- rotate([180,0,0])
+ rotate([doflip*180,0,0])
translate(-hinge_origin)
children();
}
EdgeProfile();
}
+function prop_x(gamma) = hp_k / (2 * sin(gamma/2)) - hppT[0];
+
+module PropProfileAssignments(gamma){
+ // https://en.wikipedia.org/wiki/Solution_of_triangles#Two_sides_and_the_included_angle_given_(SAS)
+ x = prop_x(gamma);
+ p = phone_height + prlp10[0] - hppB[0];
+ b = p + x;
+
+ q = phone_height - hppT[0] - prcp1[0]; // $prpp7[0] is 0 by definition
+ a = q + x;
+ c = sqrt(a*a + b*b - 2*a*b*cos(gamma));
+ $prp_alpha = acos( (b*b + c*c - a*a) / (2*b*c) );
+
+ $prp_theta = 90 - $prp_alpha;
+ beta = 180 - $prp_alpha - gamma;
+ psi = 90 - beta;
+
+ //echo("abc", a,b,c);
+
+ v1 = [ [ cos(psi), -sin(psi) ], // x
+ [ sin(psi), cos(psi) ] ]; // y
+
+ $prpp7 = [0, c + (lpp13[1] - $prpp10[1] - hp_k) ];
+
+ $prp_r1 = prc_r1;
+ $prp_r11 = prop_main_th/2;
+
+ $prpp1 = $prpp7 + [1,0] *
+ // this is approximate, but will do
+ (prop_main_th/2 + prop_prop_gap + prcp1[0] - cppA[0]);
+ $prpp3 = $prpp1 +
+ v1[0] * -$prp_r1 +
+ v1[1] * ((prcp2[1] - prcp1[1]) - prop_prop_gap);
+ $prpp12 = $prpp3 + v1[0] *
+ (prop_end_dia + prop_caserecess_taper * ($prpp1[1] - $prpp3[1]));
+ $prp_r8 = prop_main_th;
+ $prpp4 = [ prop_main_th/2, $prpp3[1] ];
+ $prp_r5 = $prp_r8;
+ $prpp5 = [ $prpp12[0] - $prp_r5,
+ $prpp3[1] - prop_prong_h + $prp_r5 ];
+ $prpp6 = $prpp4 + [0,-1] * (prop_prong_h +
+ prop_prong_heel_slope * ($prpp5[0] - $prpp4[0]));
+ $prpp8 = $prpp4 + [0,-1] * $prp_r8;
+ $prpp9 = $prpp8 + [-1,0] * $prp_r8;
+
+ children();
+}
+
+module PropProfile(gamma, cut=0, rot=0){ ////toplevel
+ PropProfileAssignments(gamma){
+
+ //#circleat($prpp3,1);
+ //#circleat($prpp12,1);
+
+ if (!cut) {
+ hull(){
+ translate($prpp8)
+ intersection(){
+ circle($prp_r8);
+ polygon([[-20,-0], [20,20], [0,0]]);
+ }
+ rectfromto($prpp6, $prpp9);
+ translate($prpp5) intersection(){
+ circle($prp_r5);
+ polygon([[-10,-10], [0,0], [10,0]]);
+ }
+ rectfromto($prpp12 + [0,-0.1], $prpp3);
+ }
+ hull(){
+ circleat($prpp1, $prp_r1);
+ rectfromto($prpp12 + [0,-0.1], $prpp3);
+ }
+ }
+ // main shaft
+ rotate([0,0, rot*-$prp_theta]){
+ hull(){
+ extra = cut ? prop_recess_slop : 0;
+ rectfromto($prpp6, $prpp9);
+ circleat($prpp11, $prp_r11 + extra);
+ circleat($prpp10, $prp_r10 + extra);
+ }
+ }
+ }
+}
+
+module PropAggregateProfile(){
+ for (angle = prop_angles)
+ PropProfile(angle, 0,0);
+}
+
+module Prop(){ ////toplevel
+ hw = prop_main_width/2;
+ linextr(-hw, +hw)
+ PropAggregateProfile();
+}
+
module Case(){ ////toplevel
difference(){
union(){
HingePortion(hex20, hex21) HingeBaseProfile();
// buildout for prop recess
- Flip_rhs(1)
+ if (prop_caserecess_buildout_r > 0) Flip_rhs(1)
linextr(case_bottom_z, epp2i[1])
hull() {
for (dxs = [-1,+1])
// prop recess
Flip_rhs(1)
translate([prop_x_pos,0,0])
+ mirror([0,1,0])
rotate([90,0,90])
linextr(-prop_recess_hw, +prop_recess_hw)
- mirror([1,0])
hull(){
for (d=[ [0,0], [0,-1], [+1,-1/prop_caserecess_taper] ])
circleat(prcp1 + 20*d,
// screw holes in the hinge arms
HingeScrews();
+
+ // prop recess
+ translate([prop_x_pos, -prlp10[0], prlp10[1]])
+ mirror([0,1,0])
+ rotate([90,0,90])
+ linextr(-prop_recess_hw, +prop_recess_hw)
+ hull()
+ for (pa = prop_angles)
+ PropProfile(pa, 1,1);
}
}
HingeLeverOuterProfile();
// space for the screws
- HingePortion(hex23, hex24)
+ HingePortion(hex26, hex24)
HingeLeverInnerProfile();
+ // recesses for the nuts
+ HingePortion(hex23, hex26+1)
+ HingeLeverNutProfile();
+
// bores for the screws
HingeScrews();
}
module HingeLeverPrint(){ ////toplevel
- rotate([90,0,0])
+ rotate([-90,0,0])
+ translate([-phone_width/2, phone_height, 0])
HingeLever();
}
Lid();
}
-module TestSelectPropRecesses(posns){
- linextr(-100,100){
- translate([phone_width/2, -phone_height]){
- square([ 3, 500 ], center=true);
- for (y=posns)
- hull()
- for (dy=[ -prp5[0], -prp2[0] ])
- translate([0,y+dy])
- square([prop_main_width+5, 5], center=true);
- }
- }
-}
-
module TestSelectFrame(){
include = [1,-1] * (epp2i[0] + 4);
module TestSelectLidFrame(){
TestSelectFrame();
- TestSelectPropRecesses(prop_lid_posns);
}
module TestFrameCase(){ ////toplevel
}
}
+module TestTopApertures(){ ////toplevel
+ intersection(){
+ Case();
+ TestSelectFrame();
+ translate([-100, -35, -100])
+ cube([400, 100, 200]);
+ }
+}
+
module TestFrameLidPrint(){ ////toplevel
rotate([0,180,0]) intersection(){
Lid();
}
}
+module DemoPropAngleSelect(c){
+ color(c) difference(){
+ union(){ children(); }
+ translate([ prop_x_pos, -400, -200 ])
+ cube([ 400,800,400 ]);
+ }
+}
+
+module DemoPropAngle(ang){
+ hL = [0, -(phone_height - hppT[0]), hppT[1] - hp_k*2];
+ hC = [0, -(phone_height - hppB[0]), hppB[1]];
+
+ translate(hL)
+ rotate([ang/2,0,0])
+ translate(-hL)
+ translate(hC)
+ rotate([ang/2,0,0])
+ translate(-hC) {
+ DemoPropAngleSelect("red") Case();
+
+ color("orange")
+ translate([prop_x_pos, -prcp1[0], prcp1[1]])
+ PropProfileAssignments(ang) {
+ echo($prpp1);
+ rotate([-$prp_theta, 0, 0])
+ translate([0, $prpp1[0], -$prpp1[1]])
+ rotate([90,0,-90])
+ Prop();
+ }
+ }
+
+ translate([0,0, -hp_k*2])
+ DemoPropAngleSelect("blue")
+ Lid();
+}
+
+module DemoPropAngles(){ ////toplevel
+ for (i=[0 : len(prop_angles)-1])
+ translate(i * [0, -100, 100])
+ DemoPropAngle(prop_angles[i]);
+}
+
module DemoFrame(){ ////toplevel
color("red") TestFrameCase();
color("blue") intersection(){ Lid(); TestSelectLidFrame(); }
color("blue") HingeLidProfile();
color("red") HingeBaseProfile();
color("black") translate([0,0,-2]) HingeLeverOuterProfile();
- color("orange") translate([0,0,-1]) HingeLeverInnerProfile();
+ }
+
+ for (f=[0,1]) {
+ translate([-30, -60 + 30*f]) {
+ translate([0,0,-4]) EdgeProfile();
+ %translate([0,0,-10]) HingeBaseProfile();
+ translate([0,-2] * f * hp_k) {
+ translate([0,0,-4]) LidEdgeProfile();
+ %translate([0,0,-10]) %HingeLidProfile();
+ }
+ translate(+hppB) rotate([0,0,180*f]) translate(-hppB) {
+ translate([0,0,-2]) color("black") HingeLeverOuterProfile();
+ translate([0,0,0]) color("red") difference(){
+ HingeLeverOuterProfile();
+ HingeLeverInnerProfile();
+ }
+ translate([0,0,3]) color("yellow") HingeLeverNutProfile();
+ }
+ }
}
translate([20,-30]) {
color("blue") CatchCatchProfile();
color("red") difference(){ EdgeProfile(); CatchCutProfile(); }
}
+
+ translate([40,-30]) {
+ difference(){
+ LidEdgeProfile();
+ translate(prlp10)
+ PropProfile(10, 1, 0);
+ }
+ translate(prlp10)
+ PropProfile(15, 0);
+ }
+ translate([60,-30]) {
+ PropAggregateProfile();
+ }
}
//EdgeProfile();