fairphone-case: wip lanyard, introduce outer entry curve (nfc)

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

diff --git a/fairphone-case.scad b/fairphone-case.scad
index 4a774a56b78778d396bab49d13cb5f71a99a0e6e..266f999150eedd5535a14e31ed7f39a164858534 100644 (file)
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -169,7 +169,7 @@ noisecancelmic_dia = 4.00;
 fingerpushhole_dias = [];
 
 lanyard_half_dia = 1.15;
-
+lanyard_entry_rel_breadth = 2;
 rearspeaker_pos_bl = [ 12.64, 18.72 ];
 rearspeaker_size   = [  3.76,  7.36 ];
 
@@ -446,6 +446,12 @@ cppQ = [ cppR[0],
         cppV[1] - (catch_finger_height - cp_rQ) ];
 cppF = [ cppV[0] + catch_finger_depth, cppC[1] ];
 
+// lanyard
+
+ly_r = lanyard_half_dia / 2;
+ly_rc = ly_r * 2;
+ly_re = 10; // xxx
+
 // prop recess in case
 
 prop_x_pos = phone_width/2;
@@ -523,12 +529,88 @@ module EdgeProfile(){
 
 module LanyardLanyardProfile(entry=false){
   hull(){
-    for (xs=[-1,+1] * (entry ? 2 : 1))
+    for (xs=[-1,+1] * (entry ? lanyard_entry_rel_breadth : 1))
       translate(xs * 0.5 * lanyard_half_dia * [1,0])
        circle(r= lanyard_half_dia/2);
   }
 }
 
+module LanyardCurveChannelProfile(){
+  translate([0, -ly_r])
+    LanyardLanyardProfile();
+}  
+
+module LanyardEntryChannelProfile(){
+  LanyardLanyardProfile(true);
+}  
+
+module LanyardMainChannelProfile(){
+  LanyardCurveChannelProfile();
+  difference(){
+    square(center=true, ly_r * [6, 2]);
+    for (xs=[-1,+1])
+      translate(ly_r * [3 * xs, -1])
+       circle(r = ly_r);
+  }
+}
+
+module LanyardEntry(){
+  q_z = -(ly_rc + ly_r);
+  d_x = -ly_rc;
+
+  translate([d_x, 0, q_z]) {
+    intersection(){
+      rotate([90,0,0])
+       rotate_extrude(convexity=10)
+       rotate(90)
+       translate([0, -q_z])
+       LanyardCurveChannelProfile();
+      translate([0,-10,0])
+       cube([20,20,20]);
+    }
+  }
+
+  mirror([0,0,1])
+    translate([0,0,-1])
+    linear_extrude(height=20)
+    rotate(-90)
+    LanyardEntryChannelProfile();
+
+  translate([0, ly_r*2, 0])
+    rotate([90,0,0])
+    linear_extrude(height = ly_r*4){
+    difference(){
+      rectfromto([d_x, q_z], [ly_r, 0]);
+      circleat([d_x, q_z], ly_rc);
+    }
+  }
+
+  for (my=[0,1])
+    mirror([0,my,0]){
+      translate([0, lanyard_entry_rel_breadth * ly_r, 0]){
+       difference(){
+         translate(ly_re * [-1,0,-1])
+           cube(ly_re * [2,1,1]);
+         rotate_extrude(convexity=10)
+           circleat([ly_re + ly_r, 0], ly_re);
+       }
+      }
+    }
+}
+
+module LanyardCutout(l){
+  rotate([0,-90,0])
+    linear_extrude(height=l)
+    rotate(-90)
+    LanyardMainChannelProfile();
+
+  for (ee=[0,1]){
+    translate(ee * l * [-1,0])
+      mirror([ee,0,0])
+      LanyardEntry();
+  }
+}
+
 module LidEdgeProfile(){
   polygon([ lpp10,
            lpp11,
@@ -1524,6 +1606,10 @@ module DemoFrame(){ ////toplevel
   %HingeLever();
 }
 
+module DemoLanyardCutout(){ ////toplevel
+  LanyardCutout(25);
+}
+
 module DemoHingedFrame(){ ///toplevel
   color("red") TestFrameCase();
   translate([0,0, -2*hp_k])
@@ -1557,6 +1643,12 @@ module DemoProfiles(){ ////toplevel
       LanyardLanyardProfile(true);
   }
 
+  translate([0,20]) {
+    LanyardMainChannelProfile();
+    translate([0,0,1]) color("purple") LanyardCurveChannelProfile();
+    translate([0,0,-1]) color("red") LanyardEntryChannelProfile();
+  }
+
   translate([20,0]) {
     LidEdgeProfile();
     %EdgeProfile();