From 2acb7f0dc6f35efbd6e921dacdce2dac0e23e64b Mon Sep 17 00:00:00 2001
From: M McWilliams <hi@mmcwilliams.com>
Date: Mon, 11 Dec 2017 23:01:03 -0500
Subject: [PATCH] lomo parts, still in progress

---
 .../lomo_bottom_screw/lomo_bottom_screw.scad  | 34 ++++++++++++++++
 models/lomo_top_screw/lomo_top_screw.scad     | 40 +++++++++++++++++++
 2 files changed, 74 insertions(+)
 create mode 100644 models/lomo_bottom_screw/lomo_bottom_screw.scad
 create mode 100644 models/lomo_top_screw/lomo_top_screw.scad

diff --git a/models/lomo_bottom_screw/lomo_bottom_screw.scad b/models/lomo_bottom_screw/lomo_bottom_screw.scad
new file mode 100644
index 0000000..715c8ea
--- /dev/null
+++ b/models/lomo_bottom_screw/lomo_bottom_screw.scad
@@ -0,0 +1,34 @@
+t = 0;
+include <../../libraries/threads.scad>;
+
+module base () {
+    $fn = 100;
+    union() {
+        translate([0, 0, -15])cylinder(r = 8.45, h = 20, center = true);
+        translate([0, 0, -24.5])cylinder(r = 11.1, h = 9.5, center = true, $fn = 6);
+    }
+}
+
+module lomo_bottom_screw () {
+    base();
+    difference () {
+        //outer screw
+        translate([0, 0, -7.1]) metric_thread (diameter=10, pitch=1.5, length=27.1);
+        //taper top of screw
+        translate([0, 0, 19]) difference() {
+            cylinder(r = 8, h = 3.5, center = true, $fn = 100);
+            cylinder(r1 = 6, r2 = 3, h = 4.5, center = true, $fn = 100);
+        }
+        //hollow center
+        cylinder(r = 1.85, h = 100, center = true, $fn = 60);
+    }
+}
+difference() {
+    //color("green") import("C:\\Users\\mmcwilliams\\Documents\\3DPRINT\\lomo_bottom_screw_half.stl");
+    //color("blue") translate([36.9, -3.2, 0]) import("C:\\Users\\mmcwilliams\\Documents\\3DPRINT\\lomo_part.stl");
+    //translate([200, 0, 0])cube([400, 400, 400], center = true);
+}
+rotate([0, 0, t]) difference() {
+    lomo_bottom_screw();
+    //translate([-100, 0, 0])cube([200, 200, 200], center = true);
+}
diff --git a/models/lomo_top_screw/lomo_top_screw.scad b/models/lomo_top_screw/lomo_top_screw.scad
new file mode 100644
index 0000000..22105b6
--- /dev/null
+++ b/models/lomo_top_screw/lomo_top_screw.scad
@@ -0,0 +1,40 @@
+t = 0;
+include <../../libraries/threads.scad>;
+
+D = 50;
+THICKNESS = 2.5;
+H = 23;
+ROUND = 6;
+
+module lomo_top_screw () {
+    difference () {
+        translate([0, 0, ROUND + 2.75]) minkowski () {
+            cylinder(r = (D / 2) - ROUND, h = (H * 2) - ROUND, center = true, $fn = 100);
+            sphere(r = ROUND, center = true, $fn = 100);
+        }
+        translate([0, 0, ROUND + 2.75 + THICKNESS]) minkowski () {
+            cylinder(r = (D / 2) - THICKNESS - ROUND, h = (H * 2) - ROUND, center = true, $fn = 100);
+            sphere(r = ROUND, center = true, $fn = 100);
+        }
+        translate([0, 0, H + ROUND - 0.4]) cylinder(r = (D / 2) + 1, h = H * 2, center = true);
+        //CUT IN HALF
+        translate([200, 0, 0]) cube([400, 400, 400], center = true);
+        //reference cylinder
+        //color("red") translate([0, 0, -H / 4]) cylinder(r = (D / 2), h = H, center = true);
+    }
+    /*
+    //spindle
+    translate([0, 0, 4]) cylinder(r1 = 12 / 2, r2 = 9 / 2, h = 40, center = true, $fn = 60);
+    //spindle top
+    translate([0, 0, 27]) difference () {
+        minkowski() {
+            cylinder(r = 5 / 2, h = 20, center = true, $fn = 60);
+            sphere(r = 2, center = true, $fn = 60);
+        }
+        for (i = [0: 5]) {
+            rotate([0, 0, i * (360 / 6)]) translate([4.7, 0, 0]) cylinder(r = 1, h = 30, center = true, $fn = 20);
+        }
+    }*/
+}
+
+rotate([0, 0, t]) lomo_top_screw();
\ No newline at end of file