add missing files; add draft camera_lense holder

1 files changed, 108 insertions, 0 deletions

diff --git a/body/holes.scad b/body/holes.scad
new file mode 100644
index 0000000..0512fda
--- /dev/null
+++ b/body/holes.scad
@@ -0,0 +1,108 @@
+include <design.scad>
+include <helpers.scad>
+
+// `Heat` in module name means heat brass threaded insert
+
+// in scanner coords:
+// Z facing towards laser beam
+// X facing right on laser beam plane
+// Y facing top (for scanner body)
+hole_side_front = 0;
+hole_side_back = 1;
+hole_side_top = 2;
+hole_side_bottom = 3;
+hole_side_left = 4;
+hole_side_right = 5;
+
+// some draft here, don't pay attention:
+// id - insert diameter
+// il - insert length (unused?)
+// m - screw deameter, like M2
+// r - glass corner radius
+// hole_side - see hole_side_* values above. affects hole
+// initial position. unused here, glass is always facing Z+
+// in scanner coords
+// TODO: cleanup unused params
+//module glass_hole(id, il, m, r, hole_side)
+
+// gw - glass width
+// gh - glass height
+// gt - glass thickness
+// gcr - glass corner radius
+module glass_hole(gw, gh, gt, gcr)
+{
+    wt = $scannerBodyWallThicknessMm;
+    padding_around_glass = 0.4;
+    padding_under_glass = 1;
+    
+    pag = padding_around_glass;
+    pug = padding_under_glass;
+    
+    // visualize glass
+    color("yellow", 0.5)
+    hull()
+    {
+        for (x_mult = [-1, 1], y_mult = [-1, 1])
+        {
+            translate([
+                (-gw / 2 + gcr) * x_mult,
+                (-gh / 2 + gcr) * y_mult,
+                0])
+            cylinder($fn = dToFn(gcr * 2), r = gcr, h = gt);
+        }
+    }
+    
+    // area to cut around glass
+    // TODO: create a module for such rounded rects
+    color("blue", 0.5)
+    hull()
+    {
+        w = gw + pag * 2;
+        h = gh + pag * 2;
+        // I'm not sure it's needed, but epoxy should
+        // have some thickness as well, and this padding should
+        // protect the glass a bit (the glass will not protrude
+        // from the scanner body)
+        t = gt + pag + $tiny_padding;
+        
+        for (x_mult = [-1, 1], y_mult = [-1, 1])
+        {
+            translate([
+                (-w / 2 + gcr) * x_mult,
+                (-h / 2 + gcr) * y_mult,
+                // cut without artifacts
+                -$tiny_padding])
+            cylinder($fn = dToFn(gcr * 2), r = gcr, h = t);
+        }
+    }
+    
+    // area to cut under glass
+    color("blue", 0.5)
+    hull()
+    {
+        w = gw - pug * 2;
+        h = gh - pug * 2;
+        // cut without artifacts
+        // area in front of glass is already taken
+        // into account above
+        t = wt + $tiny_padding;
+        
+        for (x_mult = [-1, 1], y_mult = [-1, 1])
+        {
+            translate([
+                (-w / 2 + gcr) * x_mult,
+                (-h / 2 + gcr) * y_mult,
+                0])
+            cylinder($fn = dToFn(gcr * 2), r = gcr, h = t);
+        }
+    }
+}
+
+// see `glass_hole` docs for params details
+module front_glass_hole(gw, gh, gt, gcr)
+{
+    rotate([90, 0, 0])
+    glass_hole(gw, gh, gt, gcr);
+}
+
+//front_glass_hole(gw = 26.6, gh = 19.6, gt = 2, gcr = 1);
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