fairphone-case: hinge: Arms on lid

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

diff --git a/fairphone-case.scad b/fairphone-case.scad
index 9cfc23a220a6a74f14f8f84d91ac762e19a44a2a..ea8207e48131d06037b39d88fb29ac1875d013fd 100644 (file)
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -62,7 +62,10 @@ foldover_gap = 0.50;
 foldover_lever_gap = 0.50;
 
 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;
 lever_cover_th = 0.75;
 hingemount_th = 2.5;
 
@@ -74,6 +77,11 @@ buttonishleg_default_l_is_fudge = 10;
 
 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
 
 // ---------- calculated ----------
@@ -145,6 +153,19 @@ hppM = [ epp4[0] - foldover_lever_gap - hp_r2,
 hppT = hppM + 0.5 * [0,+1] * hp_k;
 hppB = hppM + 0.5 * [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,
+           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;
+
 // ---------- modules ----------
 
 module KeeperProfile(slant=0){
@@ -313,7 +334,7 @@ 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();
 }
@@ -418,8 +439,13 @@ module HingeLeverInnerProfile(){
   }
 }
 
-module HingePortion(){
-  Flip_rhs();
+module HingePortion(x0,x1){
+  Flip_rhs() Flip_bot(1)
+    translate([x0,0,0])
+    mirror([1,0,0])
+    rotate([90,0,-90])
+    linear_extrude(height=x1-x0)
+    children(0);
 }
 
 module CaseBase(){
@@ -448,7 +474,7 @@ module Case(){ ////toplevel
       }
 
       // hinge
-      // HingePortion(hex20, hex21) HingerBaseProfile();
+      HingePortion(hex20, hex21) HingeBaseProfile();
     }
 
     // slot for keeper
@@ -492,6 +518,14 @@ module Case(){ ////toplevel
       CaseAperture(noisecancelmic_pos, noisecancelmic_dia, 20);
 
     OrdinaryRearApertures();
+
+    // 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);
+      }
   }
 }
 
@@ -514,6 +548,9 @@ module Lid(){ ////toplevel
            ButtonCoverProfile();
        }
       }
+
+      // hinge arms
+      HingePortion(hex20, hex21) HingeLidProfile();
     }
     Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid);
   }
@@ -659,6 +696,11 @@ module ButtonPlanForDemo(z, deep, cut){
     ButtonPlan(8, deep, cut);
 }
 
+module DemoFrame(){ ////toplevel
+  color("red") TestFrameCase();
+  color("blue") intersection(){ Lid(); TestSelectFrame(); }
+}
+
 module DemoProfiles(){ ////toplevel
   LidEdgeProfile();
   %EdgeProfile();