fairphone-case: rename lid_fold_clearance_skew (nfc)

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

diff --git a/fairphone-case.scad b/fairphone-case.scad
index 84ae371420c2e6c3ce5520c1d94983793bfaf5bb..e6fe93b1ba1f3d3e20c88aec06a2e4185b257d7f 100644 (file)
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -408,6 +408,12 @@ chk(hex22, 10.9975);
 chk(hex23, 13.74);
 chk(hex24, 18.75);
 
+lid_fold_clearance_skew =
+  (lpp10[1] - hppB[1]) /
+  (lpp10[0] - hppB[0]);
+
+echo("SK",lid_fold_clearance_skew);
+
 // catch
 
 cppJ = [ epp4[0] + catch_thickness, lpp10[1] ];
@@ -521,6 +527,15 @@ module LidEdgeProfile(){
   }
 }
 
+module LidEdgeFoldClearanceProfile(){
+  polygon([ lpp10,
+           lpp11,
+           lpp11 + [-20,  0],
+           lpp11 + [-20, 20],
+           lpp11 + [+20, 20],
+           lpp10 + [+20,  0] ]);
+}
+
 module ButtonCoverProfile(){
   intersection(){
     polygon(concat([ bppM, bppP, bppO, bppJ ],
@@ -561,10 +576,6 @@ module ButtonPlan(l, deep, cut){
   I0 = [ E0[0], H[1] ];
   I1 = [ E1[0], H[1] ];
 
-  multmatrix([[ 1, $button_plan_shear ? 0.4 : 0, 0 ],
-             [ 0,1,0 ],
-             [ 0,0,1 ],
-             ]){
   hull(){
     for (m=[0,1]) mirror([m,0])
       circleat(H, r0 - epsilon);
@@ -582,7 +593,6 @@ module ButtonPlan(l, deep, cut){
       circleat(D, r0 + epsilon);
     }
   }
-  }
 }
 
 module CatchCatchProfile(){
@@ -693,7 +703,6 @@ module SideButton(y, y_ref_sign, l, suppress_over_keeper=0){
 
 module LidButtonishLeg(y, y_ref_sign, l=buttonishleg_default_l_is_fudge) {
   $button_leg_only = true;
-  $button_plan_shear = true;
   SideButton(y, y_ref_sign, l) children();
 }
 
@@ -830,7 +839,7 @@ module HingePortion(x0,x1){
     mirror([1,0,0])
     rotate([90,0,-90])
     linear_extrude(height=x1-x0)
-    children(0);
+    children();
 }
 
 module CatchPortion(width){
@@ -1061,11 +1070,28 @@ module LidAdhocMultiprintFrame(phase){
   }
 }
 
+module LidAroundEdges(){
+  AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
+    children();
+}
+
 module Lid(){ ////toplevel
+  skew_centre = [0, lpp11[0], lpp11[1]];
   difference(){
     union(){
-      AroundEdges(lpp10[1], lpp13[1] - lpp10[1], 0)
-        LidEdgeProfile();
+      intersection(){
+       LidAroundEdges()
+         LidEdgeProfile();
+
+       translate(skew_centre)
+         multmatrix([[ 1, 0, 0, 0 ],
+                     [ 0, 1, -lid_fold_clearance_skew, 0 ],
+                     [ 0, 0, 1, 0 ],
+                     [ 0, 0, 0, 1 ]])
+         translate(-skew_centre)
+         LidAroundEdges()
+         LidEdgeFoldClearanceProfile();
+      }
 
       // button covers
       Buttons(){
@@ -1082,7 +1108,10 @@ module Lid(){ ////toplevel
       }
 
       // hinge arms
-      HingePortion(hex20, hex21) HingeLidProfile();
+      HingePortion(hex20, hex21) {
+       LidEdgeProfile();
+       HingeLidProfile();
+      }
 
       // catch
       CatchPortion(catch_width)
@@ -1405,7 +1434,7 @@ module DemoPropAngles(){ ////toplevel
 
 module DemoHingeAngle(ang1,ang2){
   hL = [0, -(phone_height - hppT[0]), hppT[1]];
-  hC = [0, -(phone_height - hppB[0]), hppB[1] - hp_k*2];
+  hC = [0, -(phone_height - hppB[0]), hppB[1]];
 
   translate(hL)
     rotate([ang2,0,0])
@@ -1429,10 +1458,15 @@ module DemoHingeAngle(ang1,ang2){
 }
 
 module DemoHingeAngles(){ ////toplevel
-  DemoHingeAngle(0,12);
-//  for (i=[0 : len(prop_angles)-1])
-//    translate(i * [0, -100, 100])
-//    DemoHingeAngle(prop_angles[i]);
+  angles = [ 0, 4, 8, 12 ];
+  echo("angles",angles);
+  for (i=[0 : len(angles)-1]) {
+    translate(i * [0, 0, 30]) {
+      DemoHingeAngle(0,angles[i]);
+      translate([0, 200, 0])
+       DemoHingeAngle(angles[i],0);
+    }
+  }
 }
 
 module DemoSelectAdhocLeftRight(right=0) {