// -*- C -*-
-phone_height = 146.5 - .80;
+phone_height = 146.5;
phone_width = 76.75;
phone_cnr_rad = 6.0;
phone_backside_slope_outer = 1.0; // larger means shallower
camera_pos_tl = [ 7.0, 13.0 ]; // measured from tl corner
-camera_pos_br = [ 24.0, 39.5 ]; // tl/br as seen from back
+camera_pos_br = [ 22.85,37.85]; // tl/br as seen from back
case_th_bottom = 2.5;
case_th_lid = 2.5;
case_th_lip = 1.2;
case_struts_count = 6;
-case_struts_solid_below = 0.75;
-case_struts_solid_above = 1.00;
+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 = 0.75;
button_l_fudge = 4.5;
+strut_min_at_end = 1.5;
+
// ---------- calculated ----------
// ----- could be changed -----
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 ];
+
+lp_r12 = case_th_lid - (lpp11[1] - lpp10[1]);
+
+lpp12 = [ epp4[0] + lp_r12, lpp11[1] ];
+lpp13 = [ lpp12[0], lpp12[1] + lp_r12 ];
+
+echo(lpp13 - lpp10);
// button profile
bppM = epp4 + [0,5];
}
module circleat(c,r) { translate(c) circle(r); }
-module KeeperProfile(){
- polygon([kppe, kppd, kppc, kppb, kppa, kppf]);
+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(){
lpp10 + [10, 0]
]);
intersection(){
- circleat(lpp12, r=lid_lip);
+ circleat(lpp12, r=lp_r12);
rectfromto( lpp12 + [-10, 0],
lpp12 + [+10, +10] );
}
}
module ButtonPlan(l, deep, cut){
- bigger =
- (deep ? lid_buttoncover_overlap : 0) +
- (cut ? 0 : -lid_buttoncover_gap);
-
- d_D1_y =
+ 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]) ];
- r1 = r0 + bigger;
- // | D1 - A | = r1 * 2
- // D1_y = T_y - r1 + d_D1_y
- // => 4 * r1^2 = (r1-r0 + d_D1_y)^2 + (D1_x - A_x)^2
- // => D1_x = A_x + v/~ [ 4 * r1^2 - (r1-r0 + d_D1_y)^2 ]
- D1 = [ A[0] - sqrt( 4*r1*r1 - pow(bigger + d_D1_y, 2) ),
- T[1] - r1 + d_D1_y ];
- E1 = 0.5 * (D1 + A);
- F1 = D1 + [0,10];
+ 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(A, r1);
+ circleat(H, r0 - epsilon);
}
for (m=[0,1]) mirror([m,0]) {
difference(){
polygon([ E1,
- A,
- B0,
+ I1,
+ H,
+ B1,
G,
- F1,
- D1
+ F,
+ D
]);
- circleat(D1, r1);
+ circleat(D, r0 + epsilon);
}
}
}
[phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
}
+module SideButton(y,l){
+ $button_l= l;
+ translate([0, -y, 0])
+ children();
+}
+
+module Buttons(){
+ CaseBase_rhsflip([1]) SideButton(20.6, 8.8) children(); // power
+}
+
+module Struts(x_start, z_min, th){
+ // if th is negative, starts at z_min and works towards -ve z
+ // and object should then be printed other way up
+ for (i= [1 : 1 : case_struts_count]) {
+ translate([0,
+ 0,
+ z_min])
+ mirror([0,0, th<0 ? 1 : 0])
+ translate([0,
+ -phone_height * i / (case_struts_count+1),
+ case_struts_solid_below])
+ linear_extrude(height= abs(th)
+ -(case_struts_solid_below+case_struts_solid_above))
+ rectfromto([ x_start, -0.5 * case_struts_width ],
+ [ phone_width - x_start, +0.5 * case_struts_width ]);
+ }
+}
+
module CaseBase(){
AroundEdges(epp3[1], case_th_bottom, 1)
EdgeProfile();
intersection(){
rotate([90, 0, 0])
linear_extrude(height = phone_height + phone_cnr_rad * 2)
- KeeperProfile();
+ KeeperProfile(1);
// outline of the whole case, to stop it protruding
translate([0,0, -25])
rectfromto(camera_pos_tl, camera_pos_br);
// struts (invisible, because they're buried in the case)
- for (i= [1 : 1 : case_struts_count]) {
- translate([0,
- -phone_height * i / (case_struts_count+1),
- epp2i[1] - case_th_bottom + case_struts_solid_below])
- linear_extrude(height= case_th_bottom
- -(case_struts_solid_below+case_struts_solid_above))
- rectfromto([ epp2i[0], -0.5 * case_struts_width ],
- [ phone_width - epp2i[0], +0.5 * case_struts_width ]);
+ Struts(epp2i[0], epp2i[1] - case_th_bottom, case_th_bottom);
+
+ Buttons(){
+ mirror([1,0,0])
+ rotate([90,0,90]) {
+ translate([0,0,-10])
+ linear_extrude(height= 20)
+ ButtonPlan($button_l, 0,1);
+ translate([0,0, -bppR[0]])
+ linear_extrude(height= 20)
+ ButtonPlan($button_l, 1,1);
+ }
}
}
}
module Lid(){ ////toplevel
- AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
- LidEdgeProfile();
+ difference(){
+ union(){
+ AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
+ LidEdgeProfile();
+
+ // button covers
+ Buttons(){
+ intersection(){
+ rotate([90,0,90])
+ translate([0,0,-10])
+ linear_extrude(height= 20)
+ ButtonPlan($button_l, 0,0);
+ rotate([90,0,0])
+ translate([0,0,-100])
+ linear_extrude(height= 200)
+ ButtonCoverProfile();
+ }
+ }
+ }
+ Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid);
+ }
}
module TestLength(){ ////toplevel
}
}
+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();
- translate([-30, -(phone_height - 25), -20])
- mirror([0, 1, 0])
- cube([200, 50, 40]);
- }
+ rotate([0,180.0]) TestLidWidth();
+}
+
+module TestSelectCamera(){
+ CaseBase_rhsflip(1)
+ translate([0,0,-25])
+ linear_extrude(height = 50)
+ mirror([0, 1, 0])
+ rectfromto([-20, -20],
+ camera_pos_br + [ 5, 5 ]);
}
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 OneKeeper(){ ////toplevel
translate([0, -phone_cnr_rad, 0])
rotate([90, 0, 0])
OneKeeper();
}
-module ButtonPlanForDemo(colour, z, deep, cut){
- color(colour)
- translate([0,0,z])
+module ButtonPlanForDemo(z, deep, cut){
+ translate([0,0,z])
ButtonPlan(8, deep, cut);
}
LidEdgeProfile();
%EdgeProfile();
KeeperProfile();
+ translate([0,0,-1]) color("black") KeeperProfile(1);
translate([20,0]) {
LidEdgeProfile();
}
translate([-20,0]) {
- ButtonPlanForDemo("grey", -1, 0,1);
- ButtonPlanForDemo("blue", -2, 1,0);
- ButtonPlanForDemo("red", -3, 1,1);
+ color("black") ButtonPlanForDemo(-2, 0,1);
+ color("red" ) ButtonPlanForDemo(-4, 1,1);
+ color("blue") ButtonPlanForDemo(-6, 1,0);
}
}