chiark / gitweb /
utils, fairphone-case: move various things into utils
[reprap-play.git] / fairphone-case.scad
index 9ae36f0db75e4be5004be745d95f44091e3429a9..62048c83d3b7af673b9167177f03f10c64fe7436 100644 (file)
@@ -1,8 +1,10 @@
 // -*- C -*-
 
+include <utils.scad>
+
 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.
 
@@ -24,6 +26,8 @@ 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 ];
 
@@ -54,6 +58,12 @@ 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;
 
@@ -118,17 +128,20 @@ 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])])
-    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();
-}
+// 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;
+
+// ---------- modules ----------
 
 module KeeperProfile(slant=0){
   use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope;
@@ -332,13 +345,25 @@ module Struts(x_start, z_min, th){
   }
 }
 
-module RearSpeakerAperture(){
-  CaseBase_rhsflip([1]) CaseBase_botflip([1])
+module OrdinaryRearAperture(rhs,bot, pos){
+  CaseBase_rhsflip(rhs) CaseBase_botflip(bot)
     linextr(-20, 20)
     mirror([0,1])
-    translate(rearspeaker_pos_bl + bumper)
+    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(){
@@ -416,7 +441,7 @@ module Case(){ ////toplevel
     CaseBase_rhsflip([1])
       CaseAperture(noisecancelmic_pos, noisecancelmic_dia, 20);
 
-    RearSpeakerAperture();
+    OrdinaryRearApertures();
   }
 }
 
@@ -444,11 +469,23 @@ 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();
+  }
+}
+
+module TestLengthRight(){ ////toplevel
+  intersection(){
+    Case();
+    CaseBase_rhsflip(1)
+      TestSelectLength();
   }
 }
 
@@ -472,23 +509,27 @@ module TestLidWidthPrint(){ ////toplevel
   }
 }
 
-module TestSelectCamera(){
-  CaseBase_rhsflip(1)
-    translate([0,0,-25])
-    linear_extrude(height = 50)
-    mirror([0, 1, 0])
-    rectfromto([-20, -20],
-              camera_pos_br + bumper + [ 2, 2 ]);
-}
-
-module TestSelectRearSpeaker(){
+module TestSelectRearAperture(){
   minkowski(){
-    RearSpeakerAperture();
+    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();
@@ -546,7 +587,7 @@ module TestFrameCase(){ ////toplevel
     union(){
       TestSelectFrame();
       TestSelectCamera();
-      TestSelectRearSpeaker();
+      TestSelectOrdinaryRearApertures();
     }
   }
 }