From cddbd4dd27e31b88a27bf747a95a90b7f8c11f51 Mon Sep 17 00:00:00 2001
From: Vitaliy Filippov <vitalif@yourcmc.ru>
Date: Mon, 26 May 2014 09:12:48 +0000
Subject: [PATCH] add schematic wakeboard model

---
 wakeboard.scad | 144 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100644 wakeboard.scad

diff --git a/wakeboard.scad b/wakeboard.scad
new file mode 100644
index 0000000..9b4a5ce
--- /dev/null
+++ b/wakeboard.scad
@@ -0,0 +1,144 @@
+use <bend.scad>
+
+$fn=20;
+
+module roundcirc()
+{
+  hull() {
+    translate([0, -13]) circle(r=10);
+    translate([0, 13]) circle(r=10);
+  }
+}
+
+module roundcyl()
+{
+  translate([0, 0, 0])
+    linear_extrude(height=3*(1-cos(30)), scale=(10+3*sin(30))/10) roundcirc();
+  translate([0, 0, 3*(1-cos(30))])
+    linear_extrude(height=3*(cos(30)-cos(60)), scale=(10+3*sin(60))/(10+3*sin(30)))
+    scale((10+3*sin(30))/10) roundcirc();
+  translate([0, 0, 3*(1-cos(60))])
+    linear_extrude(height=3*cos(60), scale=(13)/(10+3*sin(60)))
+    scale((10+3*sin(60))/10) roundcirc();
+}
+
+module boot()
+{
+  $fn=20;
+  difference() {
+    union() {
+      linear_extrude(height=2) {
+        hull() {
+          translate([0, -17]) circle(r=10);
+          circle(r=17);
+          translate([0, 17]) circle(r=10);
+        }
+      }
+/*      translate([0, 0, 9.5])
+        minkowski() {
+          hull() { 
+            sphere($fn=10, r=3);
+            translate([0, 0, -5]) sphere($fn=10, r=3);
+          }
+          linear_extrude(height=1)
+          hull() {
+            translate([0, -17]) circle(r=10);
+            translate([0, 17]) circle(r=10);
+          }
+        }*/
+
+      translate([0, 0, 2]) roundcyl();
+      translate([0, 0, 5]) linear_extrude(height=5) scale(1.3) roundcirc();
+      translate([0, 0, 13]) rotate([0, 180, 0]) roundcyl();
+
+      hull() {
+        translate([0, -17, 9]) cylinder(r=13, h=22);
+        translate([0, -14, 9]) cylinder(r=13, h=11);
+      }
+      hull() {
+        translate([0, -14, 9]) cylinder(r=13, h=11);
+        translate([0, -10, 9]) cylinder(r=13, h=7);
+      }
+      hull() {
+        translate([0, -10, 9]) cylinder(r=13, h=7);
+        translate([0, 0, 9]) cylinder(r=13, h=3.8);
+      }
+    }
+    translate([0, -17, 3]) cylinder(r=10, h=40);
+  }
+}
+
+module board()
+{
+  $fn=100;
+  rotate([-asin(90/500), 0, 0]) cylindric_bend(dimensions=[60, 180, 5], radius=500, nsteps=10)
+  {
+    translate([30, 90])
+    linear_extrude(height=5) {
+      intersection() {
+        translate([270, 0]) circle(r=300);
+        translate([-270, 0]) circle(r=300);
+        hull() {
+          translate([0, 40]) circle(r=50);
+          translate([0, -40]) circle(r=50);
+        }
+      }
+    }
+  }
+}
+
+boot();
+
+/*union() {
+board();
+translate([30, 90-500*sin(asin(90/500)*0.45), -6.6]) rotate([0, asin(90/500)*0.45, 90]) translate([0, 0, 5]) scale(0.7) boot();
+translate([30, 90+500*sin(asin(90/500)*0.45), -6.6]) rotate([0, -asin(90/500)*0.45, 90]) translate([0, 0, 5]) scale(0.7) boot();
+// support material
+intersection() {
+  union() {
+    translate([5, 0, -500*(1-cos(asin(90/500)))]) cube(size=[0.8, 180, 15]);
+    translate([15, 0, -500*(1-cos(asin(90/500)))]) cube(size=[0.8, 180, 15]);
+    translate([25, 0, -500*(1-cos(asin(90/500)))]) cube(size=[0.8, 180, 15]);
+    translate([35, 0, -500*(1-cos(asin(90/500)))]) cube(size=[0.8, 180, 15]);
+    translate([45, 0, -500*(1-cos(asin(90/500)))]) cube(size=[0.8, 180, 15]);
+    translate([55, 0, -500*(1-cos(asin(90/500)))]) cube(size=[0.8, 180, 15]);
+  }
+  difference() {
+    hull() {
+      board();
+      translate([0, 0, -20]) board();
+    }
+    hull() {
+      translate([0, 0, 1]) board();
+      translate([0, 0, 2]) board();
+    }
+  }
+}
+}*/
+
+/* // cr = ((arcwidth/2)^2 + size^2)/2/size
+module curved(cr=300, size=10) {
+  difference() {
+    translate([cr, 0]) circle(r=cr);
+    translate([size, -cr]) square(size=[cr*2, cr*2]);
+  }
+}
+union() {
+  w = 20;
+  translate([w/2, -80]) square(size=[w, 160]);
+  curved((80*80+(w/2)*(w/2))/2/(w/2), (w/2));
+  translate([40, 0]) rotate([0, 0, 180]) curved((80*80+10*10)/2/10, 10);
+  translate([10+w/2, 4+80]) rotate([0, 0, -90]) curved((10*10+4*4)/2/4, 4);
+  translate([10+w/2, -4-80]) rotate([0, 0, 90]) curved((10*10+4*4)/2/4, 4);
+}
+
+/*difference() {
+  translate([-10, -10, 0]) cube(size=[20, 20, 5]);
+  translate([-2.5, -2.5, -0.1]) cube(size=[5, 5, 1.1]);
+  translate([-10, -10, -8]) rotate([0, -45, 45]) cube(size=[20, 20, 20]);
+}
+
+/*difference() {
+  cylinder($fn=32, r=4, h=1.2);
+  translate([0, 0, -0.1]) cylinder($fn=32, r=2.5, h=1.1);
+}*/