fairphone-case: hinge: take max of r1 and r2

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

diff --git a/fairphone-case.scad b/fairphone-case.scad
index b3621ed3a47375dc9714fb064b6c019723195a86..bcd8eb8a25757bd2416b0295c73aee733e78eae0 100644 (file)
--- 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 = [ 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;
@@ -141,9 +145,12 @@ bppJ = [ bppN[0], bppL[1] ];
 
 // hinge plan
 hp_rn = hingescrew_nut_dia/2;
-hp_r2 = hp_rn + lever_cover_th;
+hp_r2_min = hp_rn + lever_cover_th;
 hp_rs = hingescrew_shaft_dia/2;
-hp_r1 = hp_rs + hingemount_th;
+hp_r1_min = hp_rs + hingemount_th;
+
+hp_r1 = max(hp_r1_min, hp_r2_min);
+hp_r2 = hp_r1;
 
 hppU = lpp13;
 hppS = epp2o + [0,-1] * case_th_bottom;
@@ -151,8 +158,8 @@ 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
 
@@ -381,6 +388,17 @@ 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)
@@ -442,6 +460,14 @@ 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])
@@ -522,6 +548,8 @@ module Case(){ ////toplevel
 
     OrdinaryRearApertures();
 
+    MicroUSB();
+
     // gaps for the lid's hinge arms
     HingePortion(hex20 - hinge_x_arms_gap,
                 hex21 + hinge_x_arms_gap)
@@ -529,6 +557,9 @@ module Case(){ ////toplevel
         HingeLidProfile();
        circle(r= hinge_r_arms_gap, $fn= 8);
       }
+
+    // screw holes in the hinge arms
+    HingeScrews();
   }
 }
 
@@ -556,6 +587,9 @@ module Lid(){ ////toplevel
       HingePortion(hex20, hex21) HingeLidProfile();
     }
     Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid);
+
+    // screw holes in the hinge arms
+    HingeScrews();
   }
 }
 
@@ -568,9 +602,21 @@ module HingeLever(){ ////toplevel
     // 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]);
@@ -695,7 +741,7 @@ module TestFrameCase(){ ////toplevel
 }
 
 module TestFrameLidPrint(){ ////toplevel
-  rotate([0,0,180]) intersection(){
+  rotate([0,180,0]) intersection(){
     Lid();
     TestSelectFrame();
   }
@@ -711,16 +757,18 @@ module ButtonPlanForDemo(z, deep, cut){
     ButtonPlan(8, deep, cut);
 }
 
-module DemoHingeScrews(){
+module HingeScrews(){
   Flip_rhs() Flip_bot(1){
     for (c= [ hppT, hppB ])
       translate([ hex20,
                  -c[0],
                  c[1] ]){
        rotate([0,90,0])
-         translate([0,0,-.1])
-         cylinder( r= hingescrew_shaft_dia/2, h = hingescrew_shaft_len+0.1 );
+         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 );
       }
   }
@@ -729,23 +777,19 @@ module DemoHingeScrews(){
 module DemoFrame(){ ////toplevel
   color("red") TestFrameCase();
   color("blue") intersection(){ Lid(); TestSelectFrame(); }
-  color("black") DemoHingeScrews();
+  color("black") HingeScrews();
   %HingeLever();
 }
 
 module DemoHingedFrame(){ ///toplevel
-  hinge_origin = [0, -(phone_height - hppB[0]), hppB[1]];
-
   color("red") TestFrameCase();
   translate([0,0, -2*hp_k])
   color("blue") intersection(){ Lid(); TestSelectFrame(); }
-  
-  translate(hinge_origin)
-    rotate([180,0,0])
-    translate(-hinge_origin) {
-      color("orange") HingeLever();
-      color("black") DemoHingeScrews();
-    }
+
+  Flip_hinge(){
+    color("orange") HingeLever();
+    color("black") HingeScrews();
+  }
 }
 
 module DemoHinge(){ ////toplevel