X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=fairphone-case.scad;h=9b8f8fb286f6762ffd6dd69f6dfff333beb57517;hb=5bd6d2583b311a65191532dcbb80ba52ed09e1f6;hp=7739a1e5b9fdfe678b831ecf3e4df4dadae6bfb1;hpb=3c84fe4beac2b8cd217cd5e6e4cbc69da2c7ce42;p=reprap-play.git

diff --git a/fairphone-case.scad b/fairphone-case.scad
index 7739a1e..9b8f8fb 100644
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -26,11 +26,15 @@ 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 ];
+fingerpushhole_dias = [ 15, 18 ];
 
-rearspeaker_pos_bl = [ 14.92, 18.72 ];
+rearspeaker_pos_bl = [ 12.64, 18.72 ];
 rearspeaker_size   = [  3.76,  7.36 ];
 
+microusb_above = 3.27 - 0.25;
+microusb_below = 0.0;
+microusb_width = 16.12 + 0.25;
+
 case_th_bottom = 2.5;
 case_th_lid = 2.5;
 case_th_side = 2;
@@ -65,6 +69,8 @@ hingescrew_shaft_dia = 2.0 + 0.25; // M2 x 12mm machine screw
 hingescrew_shaft_len = 12;
 hingescrew_nut_thick = 1.93 + 0.20; // incl. washer
 hingescrew_nut_dia = 4.72 + 0.50; // washer, actually
+hingescrew_head_th = 1.38 + 0.75;
+hingescrew_head_dia = 3.92;
 lever_cover_th = 0.75;
 hingemount_th = 2.5;
 
@@ -78,6 +84,8 @@ strut_min_at_end = 1.5;
 
 hinge_x_gap = 0.125;
 hinge_x_postscrew_gap = 0.75;
+hinge_x_arms_gap = 0.35;
+hinge_r_arms_gap = 0.55;
 
 rearspeaker_gap    = [ 1.0, 1.0 ]; // each side
 
@@ -147,19 +155,23 @@ hp_k = 0.5 * (hppU[1] - hppS[1] + foldover_gap);
 
 hppM = [ epp4[0] - foldover_lever_gap - hp_r2,
 	 0.5 * (hppU + hppS)[1] ];
-hppT = hppM + 0.5 * [0,+1] * hp_k;
-hppB = hppM + 0.5 * [0,-1] * hp_k;
+hppT = [ hppM[0], hppU[1] - hp_r1 ];
+hppB = hppT + [0,-1] * hp_k;
 
 // hinge elevation x coords
 
 hingescrew_portion_len =
   0.5* (hingescrew_shaft_len - hingescrew_nut_thick - hinge_x_gap);
 
-hex20 = max(epp2o[0], phone_cnr_rad);
+hex20 = max(epp2o[0],
+	    phone_cnr_rad,
+	    kppd[0] + hingescrew_head_th + keeper_gap_x_holes);
 hex21 = hex20 + hingescrew_portion_len;
 hex22 = hex21 - hinge_x_gap;
 hex23 = hex22 + hingescrew_portion_len;
-hex24 = hex23 + hinge_x_postscrew_gap;
+hex24 = hex20 + hingescrew_shaft_len + hinge_x_postscrew_gap;
+echo(hex20, hex21, hex22, hex23, hex24);
+echo(hingescrew_portion_len);
 
 // ---------- modules ----------
 
@@ -329,7 +341,7 @@ module SideButton(y, y_ref_sign, l){
   eff_y = y_ref_sign > 0 ?         -bumper [1] -y -l/2 :
 	  y_ref_sign < 0 ? (-phone -bumper)[1] +y +l/2 :
 	  y;
-  echo(eff_y);
+  //echo(eff_y);
   translate([0, eff_y, 0])
     children();
 }
@@ -373,6 +385,17 @@ module OrdinaryRearAperture(rhs,bot, pos){
     children();
 }
 
+module MicroUSB(){
+  Flip_bot(1){
+    rotate([90,0,0])
+      mirror([0,0,1])
+      linextr(-epp2i[0], 60)
+      translate([0.5 * phone_width, 0, 0])
+      rectfromto([-microusb_width/2, epp2i[1] + microusb_below],
+		 [+microusb_width/2, epp0[1] + -microusb_above]);
+  }
+}
+
 module OrdinaryRearApertures(){
   // rear speaker
   OrdinaryRearAperture(1,1, rearspeaker_pos_bl)
@@ -434,6 +457,14 @@ module HingeLeverInnerProfile(){
   }
 }
 
+module Flip_hinge(){
+  hinge_origin = [0, -(phone_height - hppB[0]), hppB[1]];
+  translate(hinge_origin)
+    rotate([180,0,0])
+    translate(-hinge_origin)
+    children();
+}
+
 module HingePortion(x0,x1){
   Flip_rhs() Flip_bot(1)
     translate([x0,0,0])
@@ -513,6 +544,19 @@ module Case(){ ////toplevel
       CaseAperture(noisecancelmic_pos, noisecancelmic_dia, 20);
 
     OrdinaryRearApertures();
+
+    MicroUSB();
+
+    // gaps for the lid's hinge arms
+    HingePortion(hex20 - hinge_x_arms_gap,
+		 hex21 + hinge_x_arms_gap)
+      minkowski(){
+        HingeLidProfile();
+	circle(r= hinge_r_arms_gap, $fn= 8);
+      }
+
+    // screw holes in the hinge arms
+    HingeScrews();
   }
 }
 
@@ -535,11 +579,41 @@ module Lid(){ ////toplevel
 	    ButtonCoverProfile();
 	}
       }
+
+      // hinge arms
+      HingePortion(hex20, hex21) HingeLidProfile();
     }
     Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid);
+
+    // screw holes in the hinge arms
+    HingeScrews();
+  }
+}
+
+module HingeLever(){ ////toplevel
+  difference() {
+    // outer body, positive
+    HingePortion(hex22, hex22 + phone_width/2)
+      HingeLeverOuterProfile();
+
+    // space for the screws
+    HingePortion(hex23, hex24)
+      HingeLeverInnerProfile();
+
+    // bores for the screws
+    HingeScrews();
+
+    // space for the charging cable
+    MicroUSB();
+    Flip_hinge() MicroUSB();
   }
 }
 
+module HingeLeverPrint(){ ////toplevel
+  rotate([90,0,0])
+    HingeLever();
+}
+
 module TestSelectLength(){
   translate([-30, -200, -20])
     cube([30 + 15, 250, 40]);
@@ -664,7 +738,7 @@ module TestFrameCase(){ ////toplevel
 }
 
 module TestFrameLidPrint(){ ////toplevel
-  rotate([0,0,180]) intersection(){
+  rotate([0,180,0]) intersection(){
     Lid();
     TestSelectFrame();
   }
@@ -680,6 +754,47 @@ module ButtonPlanForDemo(z, deep, cut){
     ButtonPlan(8, deep, cut);
 }
 
+module HingeScrews(){
+  Flip_rhs() Flip_bot(1){
+    for (c= [ hppT, hppB ])
+      translate([ hex20,
+		  -c[0],
+		  c[1] ]){
+	rotate([0,90,0])
+	  translate([0,0,-.2])
+	  cylinder( r= hingescrew_shaft_dia/2,
+		    h = hingescrew_shaft_len+0.2 );
+	rotate([0,-90,0])
+	  translate([0,0,+.1])
+	  cylinder( r= hingescrew_head_dia/2, h = hingescrew_head_th );
+      }
+  }
+}
+
+module DemoFrame(){ ////toplevel
+  color("red") TestFrameCase();
+  color("blue") intersection(){ Lid(); TestSelectFrame(); }
+  color("black") HingeScrews();
+  %HingeLever();
+}
+
+module DemoHingedFrame(){ ///toplevel
+  color("red") TestFrameCase();
+  translate([0,0, -2*hp_k])
+  color("blue") intersection(){ Lid(); TestSelectFrame(); }
+
+  Flip_hinge(){
+    color("orange") HingeLever();
+    color("black") HingeScrews();
+  }
+}
+
+module DemoHinge(){ ////toplevel
+  DemoFrame();
+  translate([0,0, -hp_k*3])
+    DemoHingedFrame();
+}
+
 module DemoProfiles(){ ////toplevel
   LidEdgeProfile();
   %EdgeProfile();