From 8afef3bc72c8b73244cb5fe083e16fc3d9066fa6 Mon Sep 17 00:00:00 2001
From: Nikita Kostovsky <nikita@kostovsky.me>
Date: Wed, 7 Jan 2026 02:09:00 +0100
Subject: add cam pcbs, laser and laser holder, updated m12 lense holder

---
 body/laser_holder.scad | 106 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 body/laser_holder.scad

(limited to 'body/laser_holder.scad')

diff --git a/body/laser_holder.scad b/body/laser_holder.scad
new file mode 100644
index 0000000..e22c052
--- /dev/null
+++ b/body/laser_holder.scad
@@ -0,0 +1,106 @@
+include <helpers.scad>
+include <laser.scad>
+
+default_laser_holder_padding = [4, 1.5, 1.5];
+
+// d - laser body diameter
+// l - laser body length
+// padding - see `laser_holder_wo_holes` for details
+function laser_holder_size(
+    d = default_laser_d,
+    l = 45,
+    padding = default_laser_holder_padding) = ([d, l / 2, d] + padding * 2);
+
+// create a holder for laser with diameter `d` and
+// length `l`. no holes
+// with one-side `padding` for each axis
+module laser_holder_wo_holes(
+    d = default_laser_d,
+    l = 45,
+    padding = default_laser_holder_padding)
+{   
+    translate([0, -l / 2 , 0])
+    cube(laser_holder_size(d = d, l = l, padding = padding), center = true);
+}
+
+// create a hole for laser holder for laser with diameter `d`.
+// hole will have diameter `hd` and height `hh`
+module laser_holder_tension_hole(d = default_laser_d, hd = 4, hh = 4)
+{
+    rotate([0, -45, 0])
+    translate([0, 0, d / 2 - hh / 2])
+    cylinder($fn = diameterToFn(hd), d = hd, h = hh * 3);
+}
+
+// d - laser body diameter
+// hd - hole diameter
+// hh - hole height
+// padding - see `laser_holder_wo_holes` for details
+module laser_holder_bottom_hole(
+    d = default_laser_d,
+    hd = 4,
+    hh = 4,
+    padding = default_laser_holder_padding)
+{
+    //translate([0, -10, -((d + hh) / 2)])
+    z_padding = $tiny_padding;
+    translate([0, 0, -d / 2 - padding[2] - z_padding])
+    cylinder($fn = diameterToFn(hd), d = hd, h = hh + z_padding * 2);
+}
+
+// see `laser_holder_bottom_hole` for args details
+module laser_holder_bottom_holes(
+    d = default_laser_d,
+    l = default_laser_l,
+    hd = 4,
+    hh = 4,
+    padding = default_laser_holder_padding)
+{
+    x_mults = [-1, +1];
+    y_mults = [1 / 3, 2 / 3];
+    
+    union()
+    {
+        for (x_mult = x_mults, y_mult = y_mults)
+        {        
+            x = (d / 2 + padding[0] / 2 - $tiny_padding) * x_mult;
+            y = -l * y_mult;
+            
+            translate([x, y, 0])
+            laser_holder_bottom_hole();
+        }
+    }
+}
+
+module laser_holder_holes(d = default_laser_d, l = default_laser_l, d_padding = 0.5)
+{
+    union()
+    {
+        laser_body(d = d + d_padding);
+        // front tension hole
+        translate([0, -l * 1 / 3, 0])
+        laser_holder_tension_hole(d=d);
+        // back tension hole
+        translate([0, -l * 2 / 3, 0])
+        laser_holder_tension_hole(d=d);
+        // bottom holes
+        laser_holder_bottom_holes();
+    }
+}
+
+// create a holder for laser with diameter `d` and
+// length `l`. with holes.
+// hole for laser has diameter `d` + padding `d_padding`
+module laser_holder(d = default_laser_d, l = default_laser_l, d_padding = 0.5)
+{
+    difference()
+    {
+        laser_holder_wo_holes();
+        laser_holder_holes(d=d, l=l, d_padding = d_padding);
+    }
+}
+
+//laser_holder_wo_holes();
+//*#laser_body();
+laser_holder();
+//laser_holder_bottom_holes();
\ No newline at end of file
-- 
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