fairphone-case: wip lanyard, introduce outer entry curve

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

diff --git a/fairphone-case.scad b/fairphone-case.scad
index bc0cef0062460d5c596fed1c65c6c4d6709b1c17..c37cbdf5c02aae597101ad59f6e8e83dab61fa0f 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 ];
 
@@ -449,6 +449,8 @@ 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
 
@@ -527,15 +529,23 @@ 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 LanyardMainChannelProfile(){
+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])
@@ -544,6 +554,63 @@ module LanyardMainChannelProfile(){
   }
 }
 
+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,0,-ly_re])
+           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,
@@ -1539,6 +1606,10 @@ module DemoFrame(){ ////toplevel
   %HingeLever();
 }
 
+module DemoLanyardCutout(){ ////toplevel
+  LanyardCutout(25);
+}
+
 module DemoHingedFrame(){ ///toplevel
   color("red") TestFrameCase();
   translate([0,0, -2*hp_k])
@@ -1574,6 +1645,8 @@ module DemoProfiles(){ ////toplevel
 
   translate([0,20]) {
     LanyardMainChannelProfile();
+    translate([0,0,1]) color("purple") LanyardCurveChannelProfile();
+    translate([0,0,-1]) color("red") LanyardEntryChannelProfile();
   }
 
   translate([20,0]) {