Finish arm base

display-camera-pi.scad

@@ -2,6 +2,7 @@
 $camera_mount = true;
 $base = true;
 $screen_mount = true;
+$arm_base = true;
 $arm_pieces = 1;
 $screws = 1;
 $nuts = 1;
@@ -28,7 +29,7 @@ $steps_per_turn = $preview ? 8 : 128;
 use <Thread_Library.scad>
 
 if ($camera_mount) {
-    translate([0, -60, 0])
+    translate([-90, -40, 0])
     camera_mount();
 }
 if ($base) {
@@ -178,8 +179,7 @@ module nut_bumps() {
     }
 }
 
-for (i = [0:1:$screws - 1]) {
+module screw() {
-    translate([-$screw_head_diameter, i * ($screw_head_diameter + 5), 0])
     union() {
         translate([0, 0, $screw_head_thickness - 4])
             thread();
@@ -187,6 +187,11 @@ for (i = [0:1:$screws - 1]) {
     };
 }
 
+for (i = [0:1:$screws - 1]) {
+    translate([-$screw_head_diameter, i * ($screw_head_diameter + 5), 0])
+    screw();
+}
+
 for (i = [0:1:$nuts - 1]) {
     translate([-$screw_head_diameter * 2 - 8, i * ($screw_head_diameter + 5), 0])
         difference() {
@@ -232,3 +237,34 @@ module thread_hole_punch(height=50) {
     translate([0, 0, -0.1])
         cylinder(d=13, h=height);
 }
+
+
+module arm_base() {
+    $width = 20;
+    $thickness = 3;
+    $screw_top = 24.46175;
+    $hole_height = $screw_top + $width / 2 + 1;
+
+    difference() {
+        union() {
+            translate([0, $thickness / 2, $hole_height])
+                rotate([90, 0, 0])
+                cylinder(d=$width, h=$thickness);
+            color("gray")
+                translate([-$width / 2, -$thickness / 2, $screw_top])
+                cube([$width, $thickness, $width / 2 + 1]);
+        };
+        translate([0, 2, $hole_height])
+            rotate([90, 0, 0])
+            thread_hole_punch();
+    }
+    color("brown")
+        translate([0, 0, $screw_top])
+        rotate([-180, 0, 0])
+        screw();
+}
+
+if ($arm_base) {
+    translate([-30, -40, 0])
+        arm_base();
+}