X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=fairphone-case.scad;h=29f0a5c80045d426d59556073859da792eae8726;hp=c22f1bcc27e9b42ebe9d0b70ac94a25dacdeadfa;hb=bf05e822414772486366965ac3af75716bc737c2;hpb=aa025aa7d75f68f7b8fb05a5f90aafae61336017

diff --git a/fairphone-case.scad b/fairphone-case.scad
index c22f1bc..29f0a5c 100644
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -21,10 +21,11 @@ led_window_style = 3;
 // 3: like 2 but one-layer window for ad-hoc multi-colour
 
 initial_layer_thick = 0.400; // ^ needed for mode 3 only
-initial_layer_width = 0.125; // ^ needed for mode 3 only
+initial_layer_width = 0.750; // ^ needed for mode 3 only
 multicolour_gap = 0.15; // each side
 
 phone_cnr_rad = 6.0;
+phone_rim_depth = 0.80; // includes allowance for a screen protector
 
 button_cutout_depth = 9;
 
@@ -39,8 +40,8 @@ camera_pos_br = [ 22.300, 37.600 ]; // tl/br as seen from back
 jack_pos = [ 13.83, 8.485 ];
 jack_dia = 10.64 + .5; // some jack I had lying around
 
-led_pos = [ 12.50, 8.00 ];
-led_aperture = 5;
+led_pos = [ 13.98, 10.00 ];
+led_aperture = 8;
 led_window_ledge = 0.75; // each side
 
 noisecancelmic_pos = [ 19.54, 7.37 ];   // from rhs
@@ -61,6 +62,8 @@ case_th_lid = 3.0;
 case_th_side = 2;
 case_th_lip = 1.2;
 
+lid_screen_gap_extra = .66;
+
 case_struts_count = 6;
 case_struts_solid_below = 1.00;
 case_struts_solid_above = 0.75;
@@ -196,7 +199,20 @@ kppa = [ kppb[0], kppf[1] ];
 lpp10 = [ epp5[0] + lid_gap_x, kppc[1] + lid_gap_z ];
 lpp11 = [ lpp10[0],            epp5[1] + lid_gap_z ];
 
-lp_r12 = case_th_lid - (lpp11[1] - lpp10[1]);
+lpp14 = lpp10 + [1,0] * keeper_inner_width;
+// exact x posn not very important; must extend past end of keeper
+
+lpp15 = [ lpp14[0],
+	  epp0[1] - phone_rim_depth + 1/2.5 * case_th_lid
+	  + lid_screen_gap_extra ];
+// ^ beam theory says to maximise force before contact,
+//   the gap below the `beam' (the lid) must be 1/3
+//   the thickness (ie the lid thickness) if the beam
+//   is solid, or 1/2 if it has a top and bottom only.
+//   ours is mostly solid.
+
+lp_r12 = max(case_th_lid - (lpp11[1] - lpp15[1]),
+	     case_th_lip);
 
 lpp12 = [ epp4[0] + lp_r12,    lpp11[1] ];
 lpp13 = [ lpp12[0],            lpp12[1] + lp_r12 ];
@@ -337,7 +353,7 @@ module AdhocMultiprintFrame(phase, z0, zs) {
   xextra = extra + -epp4[0];
   xrange = [ 0, phone_width ] + [-1,+1] * xextra;
   yextra = extra + -epp4[0];
-  yrange = [ -phone_height + -hppB[0] + hp_r2, 0 ] + [-1,+1] * yextra;
+  yrange = [ -phone_height + +hppB[0] - hp_r2, 0 ] + [-1,+1] * yextra;
   p0 = [ xrange[0], yrange[0] ];
   p1 = [ xrange[1], yrange[1] ];
   echo(p0, p1);
@@ -377,7 +393,9 @@ module LidEdgeProfile(){
 	    lpp12,
 	    lpp13,
 	    lpp13 + [10, 0],
-	    lpp10 + [10, 0]
+	    lpp15 + [10, 0],
+	    lpp15,
+	    lpp14,
 	    ]);
   intersection(){
     circleat(lpp12, r=lp_r12);
@@ -389,7 +407,8 @@ module LidEdgeProfile(){
 module ButtonCoverProfile(){
   intersection(){
     polygon(concat([ bppM, bppP, bppO, bppJ ],
-		   (enable_support ? [ bppU, bppV, bppW ] : []),
+		   (enable_support && !$button_suppress_over_keeper
+		    ? [ bppU, bppV, bppW ] : []),
 		   [ bppL, bppK ]));
     hull(){
       EdgeProfile();
@@ -535,12 +554,13 @@ module CaseAperture(pos, dia, $fn) {
 	     h = 60);
 }
 
-module SideButton(y, y_ref_sign, l){
+module SideButton(y, y_ref_sign, l, suppress_over_keeper=0){
   // y_ref_sign:
   //   +1  measured from top    of actual phone to top    of button
   //   -1  measured from bottom of actual phone to bottom of button
   //    0  y is centre of button in coordinate system
   $button_l= l;
+  $button_suppress_over_keeper= suppress_over_keeper;
   eff_y = y_ref_sign > 0 ?         -bumper [1] -y -l/2 :
 	  y_ref_sign < 0 ? (-phone -bumper)[1] +y +l/2 :
 	  y;
@@ -861,7 +881,7 @@ module Case(){ ////toplevel
 		translate([phone_width/2, -400, kppe[1]])
 		mirror([1-abs($rhsflip - keeper_side),0,0])
 		cube([400, 800, 50]);
-	    if (enable_support)
+	    if (enable_support && !$button_suppress_over_keeper)
 	      rotate([-90,90,0])
 	      translate([-400, -400, kppd[1]])
 		mirror([0,0,1])
@@ -1144,6 +1164,8 @@ module TestSelectFrame(){
 
 module TestSelectLidFrame(){
   TestSelectFrame();
+  translate([led_pos[0], -led_pos[1], -50])
+    cylinder(r= nla_r2+2, h=100);
 }
 
 module TestFrameCase(){ ////toplevel
@@ -1237,6 +1259,17 @@ module DemoPropAngles(){ ////toplevel
     DemoPropAngle(prop_angles[i]);
 }
 
+module DemoSelectAdhocLeftRight(right=0) {
+  translate([phone_width/2, -400, -100]) // , -15, -100  to cross-section
+    mirror([1-right, 0,0])
+    cube([400, 800, 200]);
+}
+
+module DemoLeft(){ ////toplevel
+  color("red")  intersection(){ Case(); DemoSelectAdhocLeftRight(); }
+  color("blue") intersection(){ Lid();  DemoSelectAdhocLeftRight(); }
+}
+
 module DemoFrame(){ ////toplevel
   color("red") TestFrameCase();
   color("blue") intersection(){ Lid(); TestSelectLidFrame(); }