From c4e2507f9c8a2884c7d8a8bf68bfb85a5448920f Mon Sep 17 00:00:00 2001
From: Nikita Kostovsky <nikita@kostovsky.me>
Date: Thu, 8 Jan 2026 00:48:12 +0100
Subject: add m12 connectors

---
 body/m12_connectors.scad | 124 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 body/m12_connectors.scad

(limited to 'body/m12_connectors.scad')

diff --git a/body/m12_connectors.scad b/body/m12_connectors.scad
new file mode 100644
index 0000000..9d28e1d
--- /dev/null
+++ b/body/m12_connectors.scad
@@ -0,0 +1,124 @@
+include <helpers.scad>
+
+// m12 female body connector for soldering
+
+// female
+// inner thick part length includes rubber o-ring,
+// outer does not
+m12_female_conn_body_thick_part_length = 3.6;
+m12_female_conn_body_thick_part_d = 18;
+
+m12_female_conn_body_outer_part_length = 16;
+m12_female_conn_body_outer_part_d = 15.1;
+m12_female_conn_body_outer_part_flat_w = 13.4;
+
+m12_female_conn_body_wires_length = 20;
+m12_female_conn_body_wires_d = 8;
+
+// male
+m12_male_conn_body_thick_part_length = 3.6;
+m12_male_conn_body_thick_part_d = 18;
+
+m12_male_conn_body_outer_part_length = 16;
+m12_male_conn_body_outer_part_d = 12;
+m12_male_conn_body_outer_part_flat_w = 10.6;
+
+m12_male_conn_body_wires_length = 20;
+m12_male_conn_body_wires_d = 8;
+
+// wl - wires length
+// wd - wires diameter
+// tcl - inner (thick) part length
+// tcd - inner (thick) part diameter
+// ocl - outer connector length
+// ocd - outer connector diameter
+// ocfw - outer connector flat width
+module m12_connector(
+    wl,
+    wd,
+    tcl,
+    tcd,
+    ocl,
+    ocd,
+    ocfw,
+)
+{
+    rotate([90, 0, 0])
+    {
+        // thick connector part inside scanner body
+        translate([0, 0, -tcl])
+        cylinder($fn = dToFn(tcd), d = tcd, h = tcl);
+        
+        // outer connector part going outside through
+        // scanned body
+        cylinder($fn = dToFn(ocd), d = ocd, h = ocl);
+        
+        // soldered wires
+        translate([0, 0, -wl - tcl + wd / 2])
+        cylinder($fn = dToFn(wd), d = wd, h = wl);
+        
+        translate([0, 0, -wl -tcl + wd / 2])
+        sphere($fn = dToFn(wd), d = wd);
+    }
+}
+
+module m12_female_conn_body()
+{
+    wl = m12_female_conn_body_wires_length;
+    wd = m12_female_conn_body_wires_d;
+    
+    tcl = m12_female_conn_body_thick_part_length;
+    tcd = m12_female_conn_body_thick_part_d;
+    
+    ocl = m12_female_conn_body_outer_part_length;
+    ocd = m12_female_conn_body_outer_part_d;
+    ocfw = m12_female_conn_body_outer_part_flat_w;
+    
+    rotate([90, 0, 0])
+    {
+        // thick connector part inside scanner body
+        translate([0, 0, -tcl])
+        cylinder($fn = dToFn(tcd), d = tcd, h = tcl);
+        
+        // outer connector part going outside through
+        // scanned body
+        cylinder($fn = dToFn(ocd), d = ocd, h = ocl);
+        
+        // soldered wires
+        translate([0, 0, -wl - tcl + wd / 2])
+        cylinder($fn = dToFn(wd), d = wd, h = wl);
+        
+        translate([0, 0, -wl -tcl + wd / 2])
+        sphere($fn = dToFn(wd), d = wd);
+    }
+}
+
+module m12_female_connector()
+{
+    m12_connector(
+        m12_female_conn_body_wires_length,
+        m12_female_conn_body_wires_d,
+        
+        m12_female_conn_body_thick_part_length,
+        m12_female_conn_body_thick_part_d,
+        
+        m12_female_conn_body_outer_part_length,
+        m12_female_conn_body_outer_part_d,
+        m12_female_conn_body_outer_part_flat_w
+    );
+}
+
+module m12_male_connector()
+{
+    m12_connector(
+        m12_male_conn_body_wires_length,
+        m12_male_conn_body_wires_d,
+        
+        m12_male_conn_body_thick_part_length,
+        m12_male_conn_body_thick_part_d,
+        
+        m12_male_conn_body_outer_part_length,
+        m12_male_conn_body_outer_part_d,
+        m12_male_conn_body_outer_part_flat_w
+    );
+}
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