From 63168cbf0dd8d4d4a9a7566e43f35fcae79ce691 Mon Sep 17 00:00:00 2001
From: Thomas Buck <xythobuz@xythobuz.de>
Date: Thu, 23 Aug 2018 20:26:48 +0200
Subject: [PATCH] Initial commit

---
 .gitignore           |   1 +
 Copter/.gitignore    |   1 +
 Copter/mgh-quad.scad | 126 +++++++++++++++++++++++++++++++++++++++++++
 README.md            |   6 +++
 4 files changed, 134 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Copter/.gitignore
 create mode 100644 Copter/mgh-quad.scad
 create mode 100644 README.md

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e43b0f9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.DS_Store
diff --git a/Copter/.gitignore b/Copter/.gitignore
new file mode 100644
index 0000000..1567411
--- /dev/null
+++ b/Copter/.gitignore
@@ -0,0 +1 @@
+*.stl
diff --git a/Copter/mgh-quad.scad b/Copter/mgh-quad.scad
new file mode 100644
index 0000000..1efc27f
--- /dev/null
+++ b/Copter/mgh-quad.scad
@@ -0,0 +1,126 @@
+//parametric micro quadcopter frame for lulfro and others
+//Patrick Sapinski
+//v2
+//01/06/16
+//https://www.thingiverse.com/thing:843597
+
+motorD = 9;
+motorZ = 22;
+shellThickness = 3.5;
+armW = 6;
+m2mDist = 100;
+batteryWidth = 30.5;
+quadThickness = 5;
+
+propLength = 70;
+
+module makeArmHollow() {
+    translate([m2mDist/2,0,0]) 
+        union(){
+            
+        //hollow out the motor holder
+        sphere(r=motorD/2);
+        cylinder(h = motorZ/2, r=motorD/2);
+        
+        //hollow out the groove for the wire in the motor holder
+        translate([-shellThickness,0,-shellThickness]) 
+            cube([m2mDist,armW - shellThickness,motorZ],center=true);
+        
+        //???
+        translate([-shellThickness*2,-armW/2 + shellThickness/2,-motorZ/2]) 
+            cube([motorZ,armW - shellThickness,motorZ + shellThickness]);
+            
+    }
+}
+
+difference() {
+    union(){
+        
+        //translate([15,5,4]) rotate([90,0,0]) linear_extrude(height = 2) polygon(points=[[0,0],[10,0],[12,7],[0,7]]);
+        //translate([15,-3,4]) rotate([90,0,0]) linear_extrude(height = 2) polygon(points=[[0,0],[10,0],[12,7],[0,7]]);
+        
+        //create each arm
+        rotate([0,0,45]){
+        for (i = [0 : 3])
+            rotate([0,0,i * 90])
+            translate([m2mDist/2,0,0]) 
+            //create the motor holder and arm
+            union(){
+                    translate([-m2mDist/2 + motorD/2,-armW/2,motorZ/2 - armW]) 
+                        cube([m2mDist/2,armW,armW]);
+                cylinder(h = motorZ/2, r=motorD/2 + shellThickness/2);
+                sphere(r=motorD/2 + shellThickness/2);
+                //prop preview
+                %rotate([0,0,45]) cylinder(d=propLength, h=5);
+            }
+        }
+        
+        //create the FC cube
+        translate([0,0,motorZ/2 - armW/2]) 
+            cube([batteryWidth + shellThickness,batteryWidth + shellThickness,armW],center=true);
+        
+        //parabolic arms
+        translate([0,0,8]) 
+            difference() {
+                cube([m2mDist-20,m2mDist-20,armW],center=true);
+                    for (i = [0 : 3])
+                        rotate([0,0,i * 90])
+                            translate([m2mDist - 35,0,-10]) 
+                                oval(m2mDist/2,m2mDist/2.8, 20);
+            }
+    }
+    
+    //create each arms hollow area
+    rotate([0,0,45]){
+            rotate([0,0,90]) makeArmHollow();
+            rotate([0,0,180]) makeArmHollow();
+            rotate([0,0,270]) makeArmHollow();
+            rotate([0,0,360]) makeArmHollow();
+    }
+    
+    translate([0,0,motorZ/2 - armW/2 - motorZ/2 + shellThickness/2])
+    union(){
+        //hollow out some grooves in the arms for the wires
+        rotate([0,0,45])
+            cube([armW - shellThickness,m2mDist/2,motorZ/1.5],center=true);
+        rotate([0,0,45])
+            cube([m2mDist/2,armW - shellThickness,motorZ/1.5],center=true);
+    }
+    
+    //hollow out the FC hole
+    translate([0,0,motorZ/2 - armW/2 - shellThickness/2]) 
+    cube([batteryWidth,batteryWidth,armW],center=true);
+    
+    //drunk code below
+    b = 11;
+    h = 11;
+    w = 4;
+    rotate(a=[0,0,45])
+        translate([2,2,motorZ/2]) 
+            linear_extrude(height = w, center = true, convexity = 10, twist = 0)
+                polygon(points=[[0,0],[h,0],[0,b]], paths=[[0,1,2]]);
+        
+    rotate(a=[0,0,45 + 180])
+        translate([2,2,motorZ/2]) 
+            linear_extrude(height = w, center = true, convexity = 10, twist = 0)
+                polygon(points=[[0,0],[h,0],[0,b]], paths=[[0,1,2]]);
+        
+    rotate(a=[0,0,45 + 90])
+        translate([2,2,motorZ/2]) 
+            linear_extrude(height = w, center = true, convexity = 10, twist = 0)
+                polygon(points=[[0,0],[h,0],[0,b]], paths=[[0,1,2]]);
+        
+    rotate(a=[0,0,45 + 270])
+        translate([2,2,motorZ/2]) 
+            linear_extrude(height = w, center = true, convexity = 10, twist = 0)
+                polygon(points=[[0,0],[h,0],[0,b]], paths=[[0,1,2]]);
+                
+    
+}
+
+module oval(w,h, height, center = false) {
+    scale([1, h/w, 1]) cylinder(h=height, r=w, center=center);
+}
+
+
+
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..e712bb8
--- /dev/null
+++ b/README.md
@@ -0,0 +1,6 @@
+# Toolbox-Bodensee DIY RC Transmitter & Brushed Copter
+
+## MGH-Projekt (Mehrgenerationenhaus)
+
+The quadcopter frame design is taken from / based on this [Parametric Brushed Micro Quadcopter](https://www.thingiverse.com/thing:843597) by DrKow.
+