Gardena Tap Connectors

++++++++++++++++++++++

Tap connectors G 1" and G 3/4".

This is what we will screw onto the water-bottle adapter and that will
create a smooth water jet. It will also connect to our launcher.

gardena.scad

@@ -0,0 +1,108 @@
+/*
+Gardena Tap Connectors
+++++++++++++++++++++++
+
+Units in this file: Millimeter.
+
+*/
+
+use <threads.scad>
+
+// Generic
+
+module gasket (r0=8, r1=12.5, d=3) {
+    /*
+    Flat ring gasket
+    ++++++++++++++++
+
+    r0: Hole diameter
+    r1: Outer diameter
+    d: Thickness
+    */
+    
+    color("DarkSlateGray")
+        difference() {
+            cylinder(h=d, r=r1);
+            translate([0, 0, -d])
+                cylinder(h=3*d, r=r0);
+        }
+};
+
+module nozzle (radii=[16.8, 7, 10, 4.5, 8.5], zs=[-12, -14, -18, -18, -24, -22, -38],
+                dthread=26.441, pthread=25.4/14)
+{
+    /*
+    Gardena nozzle
+    +++++++++++++
+    
+    radii:     List of 5 radii
+    zs:        List of 7 z
+    dthread:   Thread diameter
+    pthread:   Thread pitch
+    */
+  
+    translate([0, 0, -zs[0]])
+        difference() {
+            color("Gray")
+                union() {
+                    translate([0, 0, zs[1]])
+                        cylinder(h=-zs[1], r=radii[0]);
+                    translate([0, 0, zs[3]])
+                        cylinder(h=zs[1]-zs[3], r=radii[2]);
+                    translate([0, 0, zs[5]])
+                        cylinder(h=zs[3]-zs[5], r1=radii[4], r2=radii[2]);
+                    translate([0, 0, zs[6]])
+                        cylinder(h=zs[5]-zs[6], r=radii[4]);
+                };
+
+            color("Gray")
+                translate([0, 0, zs[0]])
+                    metric_thread(dthread, pthread,
+                                   -2*zs[0], angle=27.5, internal=true);
+                        
+            color("Navy")
+                    union() {
+                        translate([0, 0, zs[2]])
+                            cylinder(h=-zs[2], r=radii[1]);
+
+                        translate([0, 0, zs[2]])
+                            cylinder(h=zs[2]-zs[3]+0.001, r=radii[1]);
+                        
+                        translate([0, 0, zs[4]])
+                            cylinder(h=zs[2]-zs[4]+0.002, r1=radii[3], r2=radii[1]);
+                        
+                        translate([0, 0, zs[6]-0.002])
+                            cylinder(h=-zs[6], r=radii[3]);
+                    };
+            };
+};    
+
+
+// Special
+
+module gasket_gardena_G3o4() {
+    gasket();
+};
+
+module gasket_gardena_G1() {
+    gasket(r0=20/2, r1=31.5/2, d=3);
+};
+
+module nozzle_gardena_G3o4 () {
+    nozzle();
+};
+
+module nozzle_gardena_G1 () {
+    nozzle(radii=[19.6, 7, 10, 4.5, 8.5], zs=[-12, -14, -18, -18, -24, -22, -38],
+                dthread=33.249, pthread=25.4/11);
+};
+
+intersection() {
+    translate([-50, 0, -50])
+        color("Green")
+            cube(100, 100, 100);
+    union() {
+        gasket_gardena_G1();
+        nozzle_gardena_G1();
+    };
+};