fairphone-case: provide linextr (no callers yet, so nfc)

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

diff --git a/fairphone-case.scad b/fairphone-case.scad
index a42245321346e5bbccc666351ab82fd64659c415..6ed1fc4b2642fd7659519569990aee69cdb3c7c8 100644 (file)
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -22,6 +22,7 @@ jack_pos = [ 13.92, 7.96 ];
 jack_dia = 9.1 + .5; // some jack I had lying around
 
 noisecancelmic_pos = [ 19.54, 7.37 ];   // from rhs
+noisecancelmic_dia = 1.75;
 
 case_th_bottom = 2.5;
 case_th_lid = 2.5;
@@ -118,6 +119,11 @@ module rectfromto(a,b) {
     square([abs(ab[0]), abs(ab[1])]);
 }
 module circleat(c,r) { translate(c) circle(r); }
+module linextr(z0,z1) {
+  translate([0,0,z0])
+    linear_extrude(height=z1-z0)
+    children();
+}
 
 module KeeperProfile(slant=0){
   use_e = kppe + [0,-1] * slant * keeper_inner_width / keeper_slant_slope;
@@ -266,13 +272,13 @@ module AroundEdges(fill_zstart, fill_th, fill_downwards=0){
               [phone_width, -phone_height] + [-1,+1] * phone_cnr_rad);
 }
 
-module CaseAperture(pos, dia) { // pass $fn too
+module CaseAperture(pos, dia, $fn) {
   theta = 180/$fn;
   translate([ pos[0] + bumper[0],
              -epp2i[0],
              -pos[1] ])
     rotate([-90, theta, 0])
-    cylinder(r = jack_dia/2 / cos(theta),
+    cylinder(r = dia/2 / cos(theta),
             h = 60);
 }
 
@@ -388,7 +394,9 @@ module Case(){ ////toplevel
     }
 
     // apertures along top edge
-    CaseAperture(jack_pos, jack_dia, $fn=8);
+    CaseAperture(jack_pos, jack_dia, 8);
+    CaseBase_rhsflip([1])
+      CaseAperture(noisecancelmic_pos, noisecancelmic_dia, 20);
   }
 }