New goban version with marbles

README.dbk

@@ -20,6 +20,11 @@
         One version for 3D printing
       </para>
     </listitem>
+    <listitem>
+      <para>
+        One version for 3D printing or CNC to use with real go stones and marbles
+      </para>
+    </listitem>
   </itemizedlist>
   <para>
     You can choose your size (like 6x6, 9x9, 13x13 or 19x19).

with_marbles/goban.scad

@@ -0,0 +1,85 @@
+include <params.scad>
+
+module goban() {
+    $goban_width = $cell_width*($goban_size-1) +
+        $goban_size*$line_width +
+        $goban_padding*2;
+
+    $goban_length = $cell_length*($goban_size-1) +
+        $goban_size*$line_width +
+        $goban_padding*2;
+
+    difference() {
+        cube([$goban_width, $goban_length, $goban_height]);
+        for(n=[0:$goban_size-1]) {
+            translate([
+                    $goban_padding,
+                    $goban_padding + n*($cell_length+$line_width),
+                    $goban_height - $line_depth])
+                cube([
+                    $goban_size*($line_width+$cell_width)-$cell_length,
+                    $line_width,
+                    $line_depth+1
+                ]);
+            translate([
+                    $goban_padding + n*($cell_width+$line_width),
+                    $goban_padding,
+                    $goban_height - $line_depth])
+                cube([
+                    $line_width,
+                    $goban_size*($line_width+$cell_length)-$cell_length,
+                    $line_depth+1
+                ]);
+            for(y=[0:$goban_size-1]) {
+                translate([
+                        $goban_padding + n*($cell_width+$line_width),
+                        $goban_padding + y*($cell_length+$line_width),
+                        0
+                ]) union() {
+                    translate([0, 0, $goban_height - $stone_height])
+                        cylinder(
+                            h=$stone_height+1,
+                            r=$stone_radius+$clearance,
+                            $fn=100);
+                    translate([0, 0, $goban_height - $marble_radius*0.3])
+                        sphere(
+                            r=$marble_radius+$clearance,
+                            $fn=100);
+                    translate([0, 0, $goban_height - $stone_height])
+                        cylinder(
+                            r=$marble_radius+$clearance,
+                            h=$marble_radius+1,
+                            $fn=100);
+
+                    if(search(n+1, $hoshi_pos) && search(y+1, $hoshi_pos)) {
+                        translate([
+                                0, 0,
+                                $goban_height-$stone_height-$line_depth])
+                            cylinder(
+                                h=$line_depth+1,
+                                r=$marble_radius+$line_width+$clearance,
+                                $fn=100
+                            );
+                    }
+                    translate([0, 0, $goban_height-$stone_height*2]) {
+                        intersection() {
+                            cylinder(
+                                h=$stone_height*2,
+                                r=$stone_radius+$clearance,
+                                $fn=100
+                            );
+                            translate([0, $stone_radius*1.25, 0])
+                            cylinder(
+                                h=$stone_height*2,
+                                r=$stone_radius+$clearance,
+                                $fn=100
+                            );
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+goban();

with_marbles/params.scad

@@ -0,0 +1,13 @@
+$stone_height = 3;
+$stone_radius = 11.5;
+$marble_radius = 8;
+$goban_size = 19;
+$hoshi_pos = [4, 10, 16]; // [4, 10, 16] for 19x19, [4,   7, 10] for 13x13
+$line_width = 2;
+$line_depth = 0.8;
+$cell_width = 27;
+$cell_length = 28;
+$goban_padding = 25;
+$goban_height = 13;
+$clearance = 0.75;
+