1 files changed, 67 insertions, 0 deletions
diff --git a/prototype/mech_pcbs/flange_holder_frame.scad b/prototype/mech_pcbs/flange_holder_frame.scad
new file mode 100644
index 0000000..bec16c1
--- /dev/null
+++ b/prototype/mech_pcbs/flange_holder_frame.scad
@@ -0,0 +1,67 @@
+/* Linear units are mm */
+
+ext_dia = 40.0;
+int_dia = 6.2;
+h = 8;
+
+cyl_dia = 14.0;
+cyl_h = 20.0;
+
+mnth_dia = 4.2;
+mnth_ins_dia = 8;
+mnth_ins_h = 2.0;
+mnth_center_r = 12.0;
+mnth_num = 2;
+
+seth_dia = 3.2;
+//seth_ins_dia = mnth_ins_dia;
+//seth_ins_h = mnth_ins_h;
+seth_ins_dia = 6.2;
+seth_ins_h = 8.0;
+seth_num = 2;
+
+nut_w = 5.35 + 0.2;
+nut_h = 6.05 + 0.2;
+nut_d = 2.5;
+nut_offr = 6.0;
+
+$fn = 64;
+
+difference() {
+    union() {
+        intersection() {
+            cylinder(d=ext_dia, h=h);
+            translate([-ext_dia/2, -10.0, 0]) cube([ext_dia, 20.0, h]);
+        }
+        cylinder(d=cyl_dia, h=cyl_h);
+    }
+    
+    cylinder(d=int_dia, h=cyl_h);
+    
+    for (alpha = [0 : 360/mnth_num : 359.9999]) {
+        rotate(alpha, [0, 0, 1])
+        translate([-mnth_center_r, 0, 0])
+        union() {
+            cylinder(d=mnth_dia, h=cyl_h);
+            translate([0, 0, h-mnth_ins_h]) cylinder(d=mnth_ins_dia, h=mnth_ins_h+cyl_h-h);
+        }
+    }
+    
+    for (alpha = [ 0 : 360/max(seth_num, 4) : 359.9999 * seth_num/max(seth_num, 4)]) {
+        translate([0, 0, h/2])
+        rotate(alpha + 360/mnth_num/4, [0, 0, 1])
+        union() {
+            translate([-nut_offr, 0, 0]) {
+                cube([nut_d, nut_w, nut_h], center=true);
+                translate([0, 0, -h/2])
+                cube([nut_d, nut_w, h/2], center=true);
+            }
+            
+            rotate(-90, [0, 1, 0])
+            union() {
+                cylinder(d=seth_dia, h=ext_dia/2);
+                translate([0, 0, ext_dia/2-seth_ins_h]) cylinder(d=seth_ins_dia, h=seth_ins_h);
+            }
+        }
+    }
+}