fairphone-case: introduce TestSelectLength (nfc)

[reprap-play.git] / fairphone-case.scad

diff --git a/fairphone-case.scad b/fairphone-case.scad
index 116ebfd79e91d0b97157a02c66466d421aa9d1af..f2352316e3dcae6783ec837d71d6e2edc4912372 100644 (file)
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -2,7 +2,7 @@
 
 phone = [ 75.0, 145.0 ];
 
-bumper = [ 0.250, 0.250 ];
+bumper = [ 0.250, -0.025 ];
 // ^ One side.  Overall size is increased by twice this.
 // If no bumpers, is the gap around the phone.
 
@@ -22,6 +22,12 @@ jack_pos = [ 13.92, 7.96 ];
 jack_dia = 9.1 + .5; // some jack I had lying around
 
 noisecancelmic_pos = [ 19.54, 7.37 ];   // from rhs
+noisecancelmic_dia = 1.75;
+
+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;
@@ -50,6 +56,12 @@ lid_gap_x = 0.25;
 lid_gap_z = 0.25;
 lid_lip = 1.75;
 
+foldover_gap = 0.50;
+foldover_hinger_gap = 0.50;
+
+hingescrew_nut_dia = 4.72 + 0.50; // washer, actually
+hinger_th = 2;
+
 $fa = 5;
 $fs = 0.1;
 
@@ -58,6 +70,8 @@ buttonishleg_default_l_is_fudge = 10;
 
 strut_min_at_end = 1.5;
 
+rearspeaker_gap    = [ 1.0, 1.0 ]; // each side
+
 // ---------- calculated ----------
 
 phone_width =  (phone + bumper*2)[0];
@@ -112,12 +126,30 @@ bppL = lpp10 + [5,0];
 bppK = [ bppL[0], bppN[1] ];
 bppJ = [ bppN[0], bppL[1] ];
 
+// hinge plan
+hp_rn = hingescrew_nut_dia;
+hp_r2 = hp_rn + hinger_th;
+
+hppU = lpp13;
+hppS = epp2o[1] + [0,-1] * case_th_bottom;
+hp_k = 0.5 * (hppU[1] - hppS[1] + foldover_gap);
+
+hppM = [ epp4[0] - foldover_hinger_gap - hp_r2,
+        0.5 * (hppU + hppS)[1] ];
+hppT = hppM + 0.5 * [0,+1] * hp_k;
+hppB = hppM + 0.5 * [0,-1] * hp_k;
+
 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 linextr(z0,z1) {
+  translate([0,0,z0])
+    linear_extrude(height=z1-z0)
+    children();
+}
 
 module KeeperProfile(slant=0){
   use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope;
@@ -219,10 +251,10 @@ module CaseBase_rhsflip(yn=[0,1]) {
   }
 }
 
-module CaseBase_botflip() {
-  for (bot=[0,1]) {
+module CaseBase_botflip(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();
   }
@@ -266,6 +298,16 @@ module AroundEdges(fill_zstart, fill_th, fill_downwards=0){
               [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
@@ -311,6 +353,36 @@ module Struts(x_start, z_min, th){
   }
 }
 
+module OrdinaryRearAperture(rhs,bot, pos){
+  CaseBase_rhsflip(rhs) CaseBase_botflip(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(){
+  CaseBase_rhsflip([1])
+    mirror([0, 0, 1])
+    linear_extrude(height = 20)
+    mirror([0, 1, 0])
+    translate(bumper)
+    rectfromto(camera_pos_tl, camera_pos_br);
+}
+
 module CaseBase(){
   AroundEdges(epp3[1], case_th_bottom, 1)
     EdgeProfile();
@@ -349,12 +421,7 @@ module Case(){ ////toplevel
       }
 
     // front camera
-    CaseBase_rhsflip([1])
-      mirror([0, 0, 1])
-      linear_extrude(height = 20)
-      mirror([0, 1, 0])
-      translate(bumper)
-      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);
@@ -377,14 +444,12 @@ module Case(){ ////toplevel
         }
     }
 
-    // jack
-    translate([ jack_pos[0] + bumper[0],
-               -epp2i[0],
-               -jack_pos[1] ])
-      rotate([-90, 22.5, 0])
-      cylinder(r = jack_dia/2 / cos(22.5),
-              h = 60,
-              $fn=8);
+    // apertures along top edge
+    CaseAperture(jack_pos, jack_dia, 8);
+    CaseBase_rhsflip([1])
+      CaseAperture(noisecancelmic_pos, noisecancelmic_dia, 20);
+
+    OrdinaryRearApertures();
   }
 }
 
@@ -412,11 +477,15 @@ module Lid(){ ////toplevel
   }
 }
 
+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();
   }
 }
 
@@ -440,13 +509,25 @@ module TestLidWidthPrint(){ ////toplevel
   }
 }
 
+module TestSelectRearAperture(){
+  minkowski(){
+    union() children();
+    translate([20, 0,0])
+      cube([42, 2, 1], center=true);
+  }
+}
+
 module TestSelectCamera(){
-  CaseBase_rhsflip(1)
-    translate([0,0,-25])
-    linear_extrude(height = 50)
-    mirror([0, 1, 0])
-    rectfromto([-20, -20],
-              camera_pos_br + bumper + [ 5, 5 ]);
+  minkowski(){
+    TestSelectRearAperture()
+      RearCameraAperture();
+    cube([0.1, 50, 0.1]);
+  }
+}
+
+module TestSelectOrdinaryRearApertures(){
+  TestSelectRearAperture()
+    OrdinaryRearApertures();
 }
 
 module TestCamera(){ ////toplevel
@@ -506,6 +587,7 @@ module TestFrameCase(){ ////toplevel
     union(){
       TestSelectFrame();
       TestSelectCamera();
+      TestSelectOrdinaryRearApertures();
     }
   }
 }