X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=adafruit-powerboost-common.scad;h=86241e5a0a23fc8cd7a0f8ede23fb3de8115914a;hb=80145b71ce928c7251252abcdd4ce010cf05594a;hp=d1f29d10a006bb6947a3008f99b214a2d4cb8414;hpb=5d7891a63097b68991f07cb83fef5f24c74bb5cd;p=reprap-play.git

diff --git a/adafruit-powerboost-common.scad b/adafruit-powerboost-common.scad
index d1f29d1..86241e5 100644
--- a/adafruit-powerboost-common.scad
+++ b/adafruit-powerboost-common.scad
@@ -12,7 +12,7 @@ psu_hole_pos = [ 2.05, // from back edge of psu_sz[0]
 psu_th = 1.70 + 0.25;
 psu_th_for_clamp = 1.50;
 
-psu_hole_dia = 2.5 - 0.3;
+psu_hole_dia = 2.5 - 0.5;
 psu_connector_z = 2.9 + 0.1;
 psu_connector_z_overlap = 0.15;
 psu_connector_depth = 6.25;
@@ -51,6 +51,10 @@ psu_z_down = psu_z + 0.1;
 psu_fix_sz = NutBox_outer_size(psu_board_nutbox);
 psu_board_nutbox_y = psu_sz[1]/2 + psu_board_nutbox[0]/2;
 
+psu_mount_outer_sz_x = psu_sz[0] + psu_board_support_wall * 2; // centred
+psu_mount_outer_sz_y = psu_y + max(psu_board_support_wall, // at psu_y
+				   psu_board_nutbox_y + psu_fix_sz/2);
+
 module PsuBoardRepresentation(){
   linear_extrude(height= psu_th)
     square(center=true, [psu_sz[0],psu_sz[1]]);
@@ -188,6 +192,15 @@ module PsuLedWindowsPlan(){
   }
 }
 
+module PsuMountWindowsNegative(ceil){
+  linextr(-10, 0.1)
+    PsuLedWindowsPlan();
+  translate([0, 0, -psu_z - ceil])
+    linextr(-1, psu_initial_layer_thick)
+    offset(delta=psu_window_ledge + psu_multicolour_gap)
+    PsuLedWindowsPlan();
+}
+
 module PsuMountDemo() { ////toplevel
   ceil = psu_test_ceil;
 
@@ -223,22 +236,31 @@ module PsuMountTest() { ////toplevel
       translate([0, psu_y, psu_z])
 	PsuMountPositive();
       difference(){
-	linextr_x_yz(-(psu_sz[0]/2 + 5),
-		     +(psu_sz[0]/2 + 5)){
+
+	// rectangular box with wall
+	linextr_x_yz(-psu_mount_outer_sz_x/2,
+		     +psu_mount_outer_sz_x/2) {
 	  difference(){
-	    rectfromto([0, -ceil], [psu_sz[1] + 10, psu_z + 10]);
+	    rectfromto([0, -ceil],
+		       [psu_mount_outer_sz_y, psu_z + 10]);
 	    rectfromto([ceil,0], 400*[1,1]);
 	  }
 	}
+
 	translate([0, psu_y, psu_z]) {
 	  PsuMountNegative();
 	}
+
+	translate([0, psu_y, -ceil]) {
+	  linextr(-1, psu_initial_layer_thick) {
+	    offset(delta=psu_multicolour_gap)
+	      PsuLedLegendsPlan();
+	  }
+	}
       }
     }
-    translate([0, psu_y, psu_z]) {
-      linextr(-10, 0.1)
-	PsuLedWindowsPlan();
-    }
+    translate([0, psu_y, psu_z])
+      PsuMountWindowsNegative(ceil);
   }
 }
 
@@ -247,39 +269,40 @@ psu_initial_layer_thick = 0.400;
 psu_initial_layer_width = 0.750;
 psu_window_ledge = 0.50; // each side
 
-module PsuMountTestFullLayerFrame(ix) {
-  sz = psu_sz*2 + [1,1]*psu_initial_layer_width*(3+ix);
-  translate([0, psu_y]) difference(){
-    square(center=true, sz + psu_multicolour_gap*2*[1,1]);
-    square(center=true, sz);
+psu_frame_gap = 1.0;
+
+module PsuMountLayerFrame(bl, tr, ix) {
+  gap0 = [1,1] * (psu_frame_gap + psu_initial_layer_width*(ix+0));
+  gap1 = [1,1] * (psu_frame_gap + psu_initial_layer_width*(ix+1));
+  linextr(0, psu_initial_layer_thick) {
+    difference(){
+      rectfromto(bl-gap1, tr+gap1);
+      rectfromto(bl-gap0, tr+gap0);
+    }
   }
 }
 
+module PsuMountTestFullLayerFrame(ix) {
+  PsuMountLayerFrame([-0.5 * psu_mount_outer_sz_x, 0],
+		     [+0.5 * psu_mount_outer_sz_x,
+		      psu_mount_outer_sz_y],
+		     ix);
+}
 
 module PsuMountTestFullMain() { ////toplevel
   ceil = psu_test_ceil;
 
-  linextr(0, psu_initial_layer_thick)
-    PsuMountTestFullLayerFrame(2);
+  PsuMountTestFullLayerFrame(2);
   
   difference(){
     translate([0,0, ceil])
       PsuMountTest();
-
-    translate([0, psu_y, 0]) {
-      linextr(-1, psu_initial_layer_thick) {
-	offset(delta=psu_window_ledge + psu_multicolour_gap)
-	  PsuLedWindowsPlan();
-	offset(delta=psu_multicolour_gap)
-	  PsuLedLegendsPlan();
-      }
-    }
   }
 }
 
 module PsuMountTestFullOneLayer(ix) {
+  PsuMountTestFullLayerFrame(ix);
   linextr(0, psu_initial_layer_thick) {
-    PsuMountTestFullLayerFrame(ix);
     translate([0, psu_y]) children();
   }
 }