// -*- C -*-
-phone_height = 146.5;
-phone_width = 76.75;
+phone_height = 146.5 - .80;
+phone_width = 76.75 - .50;
-phone_cnr_rad = 4.0;
+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 = [ 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;
-case_th_lid = 2;
+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 = 0.75;
+case_struts_solid_above = 1.00;
+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;
$fa = 5;
$fs = 0.1;
-// calculated
+button_l_fudge = 4.5;
+
+// ---------- calculated ----------
+
+// ----- 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;
lpp12 = [ epp4[0] + lid_lip, lpp11[1] ];
lpp13 = [ lpp12[0], lpp12[1] + lid_lip ];
+// 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] ];
+
module rectfromto(a,b) {
ab = b - a;
translate([min(a[0], b[0]), min(a[1], b[1])])
}
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(){
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] ]);
}
}
}
}
+module ButtonCoverProfile(){
+ intersection(){
+ polygon([ bppM, bppP, bppO, bppJ, bppL, bppK ]);
+ hull(){
+ EdgeProfile();
+ LidEdgeProfile();
+ }
+ }
+}
+
+module ButtonPlan(l, deep, cut){
+ bigger =
+ (deep ? lid_buttoncover_overlap : 0) +
+ (cut ? 0 : -lid_buttoncover_gap);
+
+ d_D1_y =
+ (cut ? 0 : lid_buttoncover_gap);
+
+ C = [0,0]; // by definition
+ T = [ 0, epp4[1] ];
+ G = T + [0,10];
+ B0 = C + [0,-1] * button_cutout_depth;
+ 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];
+
+ hull(){
+ for (m=[0,1]) mirror([m,0])
+ circleat(A, r1);
+ }
+ for (m=[0,1]) mirror([m,0]) {
+ difference(){
+ polygon([ E1,
+ A,
+ B0,
+ G,
+ F1,
+ D1
+ ]);
+ circleat(D1, r1);
+ }
+ }
+}
+
module CaseBase_rhsflip(yn=[0,1]) {
for (rhs=yn) {
translate([phone_width/2, 0, 0])
[phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
}
+module Struts(z_min, th){
+ for (i= [1 : 1 : case_struts_count]) {
+ translate([0,
+ -phone_height * i / (case_struts_count+1),
+ z_min + case_struts_solid_below])
+ linear_extrude(height= th
+ -(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 ]);
+ }
+}
+
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()
+ // CaseBase_rhsflip() // actually, we only care about the LH
+ CaseBase_botflip()
+ circleat([+1,-1] * phone_cnr_rad, phone_cnr_rad + case_th_side/2);
+ }
+ }
- // slots for keeper
- CaseBase_rhsflip()
+ // slot for keeper
+ CaseBase_rhsflip(1)
translate([0, -phone_cnr_rad, 0])
rotate([90, 0, 0])
linear_extrude(height = phone_height + phone_cnr_rad * 2)
linear_extrude(height = 20)
mirror([0, 1, 0])
rectfromto(camera_pos_tl, camera_pos_br);
+
+ // struts (invisible, because they're buried in the case)
+ Struts(epp2i[1] - case_th_bottom, case_th_bottom);
}
}
}
}
+module TestLidWidthPrint(){ ////toplevel
+ rotate([0,180.0])
+ intersection(){
+ Lid();
+ translate([-30, -(phone_height - 25), -20])
+ mirror([0, 1, 0])
+ cube([200, 50, 40]);
+ }
+}
+
module TestCamera(){ ////toplevel
intersection(){
Case();
OneKeeper();
}
+module ButtonPlanForDemo(colour, z, deep, cut){
+ color(colour)
+ translate([0,0,z])
+ ButtonPlan(8, deep, cut);
+}
+
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]) {
+ ButtonPlanForDemo("grey", -1, 0,1);
+ ButtonPlanForDemo("blue", -2, 1,0);
+ ButtonPlanForDemo("red", -3, 1,1);
+ }
}
//EdgeProfile();
~ianmdlvl / reprap-play.git / blobdiff