fairphone-case: led window: introduce and add AdhocMultiprintFrame

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/fairphone-case.scad b/fairphone-case.scad
index 1990985baf0e6deb27ae8bd496e590f2b53387b5..c0df34586c8f547aa319c0e852f1871676bb8ab3 100644 (file)
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -21,6 +21,7 @@ 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
 multicolour_gap = 0.15; // each side
 
 phone_cnr_rad = 6.0;
@@ -330,6 +331,26 @@ $prp_r10 = prl_r10;
 
 // ---------- modules ----------
 
+module AdhocMultiprintFrame(phase, z0, zs) {
+  // from z0 to z0 + zs*layer
+  extra = phase * 0.65 + 5;
+  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;
+  p0 = [ xrange[0], yrange[0] ];
+  p1 = [ xrange[1], yrange[1] ];
+  echo(p0, p1);
+  translate([0,0, z0])
+    mirror([0,0, zs<0])
+    linear_extrude(height= initial_layer_thick)
+    difference(){
+      rectfromto(p0 - [1,1] * initial_layer_width,
+                p1 + [1,1] * initial_layer_width);
+      rectfromto(p0, p1);
+    }
+}
+
 module KeeperProfile(slant=0){
   use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope;
   polygon([use_e, kppd, kppc, kppb, kppa, kppf]);
@@ -941,6 +962,11 @@ module Lid(){ ////toplevel
          translate([0,0, -nla_t])
            cylinder(r=nla_r2, height=20);
       }
+
+    }
+
+  if (led_window_style >= 3) {
+    AdhocMultiprintFrame(1, lpp13[1], -1);
   }
 }