Import of existing parts

1 files changed, 33 insertions, 0 deletions

diff --git a/parts/triangular_connector.scad b/parts/triangular_connector.scad
new file mode 100644
index 0000000..4c7607f
--- /dev/null
+++ b/parts/triangular_connector.scad
@@ -0,0 +1,33 @@
+
+radius = 8.25;
+wall = 6;
+top_wall = 6;
+len = 40;
+
+module external(radius, wall, len, top_wall) {
+    w = len/2+radius+(radius+wall)*sin(60) ;
+    h = (radius + wall) / 2;
+    difference() {
+        translate([-len/2-radius,0,0]) rotate([0,30,0]) cylinder(r = radius + wall, h = len + top_wall); 
+        translate ([-w,-w,-h]) cube([w*2, w*2, h*2]);
+    }
+}
+
+module tube(radius, wall, len) {
+    translate([-len/2-radius,0,0]) rotate([0,30,0]) translate([0,0,-wall/2]) cylinder(r = radius, h = len);
+}
+
+rotate([0,105,0]) difference() {
+    union() {
+        hull() {
+            //external(radius, wall, len, top_wall);
+            rotate([0,0,120]) external(radius, wall, len, top_wall);
+            rotate([0,0,-120]) external(radius, wall, len, top_wall);
+            translate([radius+wall,0,(len + top_wall)*sin(60)]) rotate([0,-90,0]) cylinder(r = radius + wall, h = wall*2);
+        }
+        translate([radius+wall,0,(len+top_wall)*sin(60)]) rotate([0,-90,0]) cylinder(r = radius + wall, h = len + wall);
+    }
+    rotate([0,0,120]) tube(radius, wall, len);
+    rotate([0,0,-120]) tube(radius, wall, len);
+    translate([radius,0,(len+top_wall)*sin(60)]) rotate([0,-90,0]) cylinder(r = radius, h = len + 2);
+}