1 files changed, 105 insertions, 46 deletions

diff --git a/body/veye_imx287.scad b/body/veye_imx287.scad
index 5594c20..ed2c7da 100644
--- a/body/veye_imx287.scad
+++ b/body/veye_imx287.scad
@@ -6,6 +6,16 @@ veye_imx287_pcb_h = 29;
 veye_imx287_pcb_thickness = 1.6;
 veye_imx287_pcb_stack_h = 11;
 imx287_thickness = 1.3;
+veye_imx287_mount_plate_corner_radius = 2;
+veye_imx287_mount_plate_thickness = 2;
+veye_imx287_mount_plate_frame_w = 6;
+
+function veye_imx287_mount_plate_offset() =
+    // sensor has non-zero thickness, so put holder
+    // closer to pcb (but avoid artifacts)
+    [0, -imx287_thickness + $tiny_padding, 0] +
+    // move to zero
+    [0, veye_imx287_mount_plate_thickness / 2, 0];
 
 module veye_imx287_wo_holes()
 {
@@ -101,16 +111,88 @@ module veye_imx287_natural()
     }
 }
 
+module veye_imx287_mount_plate_outer()
+{
+    w = veye_imx287_pcb_w;
+    h = veye_imx287_pcb_h;
+    t = veye_imx287_mount_plate_thickness;
+    cr = veye_imx287_mount_plate_corner_radius;
+
+    translate(veye_imx287_mount_plate_offset())
+    hull()
+    {
+        for (
+            dx = [w / 2 - cr, -w / 2 + cr],
+            dy = [h / 2 - cr, -h / 2 + cr])
+        {
+            translate([dx, 0, dy])
+            translate([0, t / 2, 0])
+            rotate([90, 0, 0])
+            cylinder($fn = dToFn(cr * 2), r = cr, h = t);
+        }
+    }
+}
+
+// inner area to cut
+module veye_imx287_mount_plate_inner()
+{
+    w = veye_imx287_pcb_w;
+    h = veye_imx287_pcb_h;
+    frame_w = veye_imx287_mount_plate_frame_w;
+    iw = w - frame_w;
+    ih = h - frame_w;
+    t = veye_imx287_mount_plate_thickness;
+    cr = veye_imx287_mount_plate_corner_radius;
+
+    translate(veye_imx287_mount_plate_offset())
+    hull()
+    {
+        for (
+            dx = [iw / 2 - cr, -iw / 2 + cr],
+            dy = [iw / 2 - cr, -iw / 2 + cr])
+        {
+            translate([dx, 0, dy])
+            translate([0, t / 2 + $tiny_padding, 0])
+            rotate([90, 0, 0])
+            cylinder(
+                $fn = dToFn(cr * 2),
+                r = cr,
+                h = t + $tiny_padding * 2);
+        }
+    }
+}
+
+// screw holes
+module veye_imx287_mount_plate_holes()
+{
+    // holes
+    hd = 2.05;
+    hh = 10;
+
+    // distance between holes
+    h_delta = 25;
+
+    translate(veye_imx287_mount_plate_offset())
+    for (
+        dx = [h_delta / 2, -h_delta / 2],
+        dy = [h_delta / 2, -h_delta / 2])
+    {
+        translate([dx, 0, dy])
+        translate([0, hh / 2, 0])
+        rotate([90, 0, 0])
+        cylinder($fn = dToFn(hd), d = hd, h = hh);
+    }
+}
+
 module veye_imx287_mount_plate()
 {
     w = veye_imx287_pcb_w;
     h = veye_imx287_pcb_h;
-    frame_w = 6;
+    frame_w = veye_imx287_mount_plate_frame_w;
     iw = w - frame_w;
     ih = h - frame_w;
-    t = 2;
-    corner_radius = 2;
-    cr = corner_radius;
+    t = veye_imx287_mount_plate_thickness;
+    cr = veye_imx287_mount_plate_corner_radius;
     
     // holes
     hd = 2.05;
@@ -119,55 +201,32 @@ module veye_imx287_mount_plate()
     h_delta = 25;
     hr = hd / 2;
     
-    // sensor has non-zero thickness, so put holder
-    // closer to pcb
-    translate([0, -imx287_thickness, 0])
-    // move to zero
-    translate([0, t / 2, 0])
     difference()
     {
         // outer shape
-        hull()
-        {
-            for (
-                dx = [w / 2 - cr, -w / 2 + cr],
-                dy = [w / 2 - cr, -w / 2 + cr])
-            {
-                translate([dx, 0, dy])
-                translate([0, t / 2, 0])
-                rotate([90, 0, 0])
-                cylinder($fn = dToFn(cr * 2), r = cr, h = t);
-            }
-        }
+        veye_imx287_mount_plate_outer();
         // to cut
-        hull()
-        {
-            for (
-                dx = [iw / 2 - cr, -iw / 2 + cr],
-                dy = [iw / 2 - cr, -iw / 2 + cr])
-            {
-                translate([dx, 0, dy])
-                translate([0, t, 0])
-                rotate([90, 0, 0])
-                cylinder($fn = dToFn(cr * 2), r = cr, h = t * 2);
-            }
-        }
+        veye_imx287_mount_plate_inner();
         // holes
-        {
-            for (
-                dx = [h_delta / 2, -h_delta / 2],
-                dy = [h_delta / 2, -h_delta / 2])
-            {
-                translate([dx, 0, dy])
-                translate([0, hh / 2, 0])
-                rotate([90, 0, 0])
-                cylinder($fn = dToFn(hd), d = hd, h = hh);
-            }
-        }
+        veye_imx287_mount_plate_holes();
     }
 }
 
-color("yellow", 0.3)
+color("yellow", 0.1)
 *veye_imx287_natural();
+color("green", 0.4)
+*veye_imx287_mount_plate();
+
+color("red", 0.1)
+%veye_imx287_mount_plate_outer();
 color("green", 0.3)
-*veye_imx287_mount_plate();
\ No newline at end of file
+%veye_imx287_mount_plate_inner();
+
+*difference()
+{
+    //color("brown", 0.4)
+    veye_imx287_mount_plate_outer();
+    //color("blue", 0.4)
+    veye_imx287_mount_plate_inner();
+}
+