5 files changed, 138 insertions, 0 deletions
diff --git a/parts/foot.scad b/parts/foot.scad
new file mode 100644
index 0000000..59a1f2e
--- /dev/null
+++ b/parts/foot.scad
@@ -0,0 +1,39 @@
+
+radius = 8.25;
+wall = 6;
+len = 40;
+foot_radius = 30;
+foot_height = 8;
+angle = 30;
+hole_radius = 3;
+hole_dist = 8;
+
+end = true;
+
+cut_h = (radius+wall)*sin(angle) + 1;
+cut_r = (radius+wall)/cos(angle) + 1;
+
+difference() {
+    union() {
+        difference() {
+            rotate([0,angle,0]) cylinder(r=radius + wall, h = len);
+            translate([0,0,-cut_h]) cylinder(r=cut_r, h=cut_h);
+        }
+        translate([0,0,-0.01]) cylinder(r = foot_radius, h = foot_height);
+        translate([-cut_r+3.5,0,cut_h+2]) rotate([90, 0, 0]) difference() {
+            cylinder(r=8, h = 4, center=true);
+            cylinder(r=4, h=5, center=true);
+        }
+        if (end) {
+            translate([cut_r+wall/2,0,radius+wall]) rotate([0,90,0]) 
+                cylinder(r=radius + wall, h = len);
+        }
+    }
+    rotate([0, angle, 0]) translate([0,0, radius * sin(angle) + foot_height]) cylinder(r = radius, h = len);
+    translate([0,foot_radius - hole_dist,-1]) cylinder(r=hole_radius, h=foot_height + 2);
+    translate([0,-foot_radius + hole_dist,-1]) cylinder(r=hole_radius, h=foot_height + 2);
+    if (end) {
+        translate([cut_r+wall/2,0,radius+wall]) rotate([0,90,0]) 
+            translate([0,0,wall]) cylinder(r=radius, h=len);
+    }
+}
diff --git a/parts/straight_connector-rect.scad b/parts/straight_connector-rect.scad
new file mode 100644
index 0000000..063b452
--- /dev/null
+++ b/parts/straight_connector-rect.scad
@@ -0,0 +1,14 @@
+
+
+radius = 8.25;
+wall = 4;
+len = 60;
+
+rotate([0,90,0]) difference() {
+    intersection() {
+        cube([(radius + wall)*2, (radius + wall)*2, len], center=true);
+        cylinder(r=(radius + wall)*sqrt(2)-2, h=len, center=true);
+    }
+    translate([0,0,len/2+wall/2]) cylinder(r=radius, h=len, center=true);
+    translate([0,0,-len/2-wall/2]) cylinder(r=radius, h=len, center=true);
+}
diff --git a/parts/straight_connector.scad b/parts/straight_connector.scad
new file mode 100644
index 0000000..bfe3d29
--- /dev/null
+++ b/parts/straight_connector.scad
@@ -0,0 +1,11 @@
+
+
+radius = 8.25;
+wall = 6;
+len = 60;
+
+rotate([0,90,0]) difference() {
+    cylinder(r=radius + wall, h=len, center=true);
+    translate([0,0,len/2+wall/2]) cylinder(r=radius, h=len, center=true);
+    translate([0,0,-len/2-wall/2]) cylinder(r=radius, h=len, center=true);
+}
diff --git a/parts/tetrahedron_connector.scad b/parts/tetrahedron_connector.scad
new file mode 100644
index 0000000..eb345d2
--- /dev/null
+++ b/parts/tetrahedron_connector.scad
@@ -0,0 +1,41 @@
+
+radius = 8.25;
+inner_radius = 13.5;
+wall = 6;
+top_wall = 6;
+len = 40;
+cut = 10;
+
+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);
+}
+
+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);
+        }
+        difference() {
+            translate([0,0,-(radius + wall) / 2]) hull() {
+                external(radius, wall*3, len, top_wall);
+                rotate([0,0,120]) external(radius, wall*3, len, top_wall);
+                rotate([0,0,-120]) external(radius, wall*3, len, top_wall);
+            }
+            translate([0,0,len/2]) rotate([0,10,0]) cylinder(r=(len+wall), h=cut);
+        }
+    }
+    tube(radius, wall, len);
+    rotate([0,0,120]) tube(radius, wall, len);
+    rotate([0,0,-120]) tube(radius, wall, len);
+}
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);
+}