diff --git a/axi/device.py b/axi/device.py
index f8caa84..d49f2ad 100644
--- a/axi/device.py
+++ b/axi/device.py
@@ -26,7 +26,7 @@ PEN_DOWN_SPEED = 150
 PEN_DOWN_DELAY = 0
 
 ACCELERATION = 8
-MAX_VELOCITY = 3
+MAX_VELOCITY = 4
 CORNER_FACTOR = 0.005
 
 VID_PID = '04D8:FD92'
diff --git a/axi/drawing.py b/axi/drawing.py
index 2985ecb..b0eccf6 100644
--- a/axi/drawing.py
+++ b/axi/drawing.py
@@ -187,7 +187,6 @@ class Drawing(object):
         for angle in range(0, 180, step):
             d = hull.rotate(angle)
             scale = min(width / d.width, height / d.height)
-            print angle, d.width, d.height
             values.append((scale, angle))
         scale, angle = max(values)
         return self.rotate(angle).scale(scale, scale).center(width, height)
diff --git a/examples/isolines.py b/examples/isolines.py
new file mode 100644
index 0000000..0993ae5
--- /dev/null
+++ b/examples/isolines.py
@@ -0,0 +1,57 @@
+import axi
+import sys
+
+def prepare():
+    d = axi.Drawing.load(sys.argv[1])
+    print len(d.paths)
+    print 'transforming'
+    d = d.rotate_and_scale_to_fit(12, 8.5)
+    print 'sorting'
+    d = d.sort_paths()
+    print 'joining'
+    d = d.join_paths(0.01)
+    print len(d.paths)
+    print 'simplifying'
+    d = d.simplify_paths(0.005)
+    print 'rendering'
+    im = d.render(
+        scale=109 * 1, line_width=0.3/25.4,
+        )#show_axi_bounds=False, use_axi_bounds=False)
+    im.write_to_png('isolines.png')
+    d.dump('isolines.axi')
+
+def vertical_stack(ds, spacing=0, center=True):
+    result = axi.Drawing()
+    y = 0
+    for d in ds:
+        x = 0
+        if center:
+            x = -d.width / 2
+        d = d.origin().translate(x, y)
+        result.add(d)
+        y += d.height + spacing
+    return result
+
+def title():
+    d1 = axi.Drawing(axi.text('Topography of', axi.METEOROLOGY))
+    d1 = d1.scale_to_fit_height(0.25)
+    d2 = axi.Drawing(axi.text('Vancouver Island', axi.METEOROLOGY))
+    d2 = d2.scale_to_fit_height(0.375)
+    d = vertical_stack([d1, d2], 0.125, False)
+    d = d.join_paths(0.01)
+    d = d.simplify_paths(0.001)
+    d = d.move(0, 8.5, 0, 1)
+    return d
+
+def main():
+    d = axi.Drawing.load(sys.argv[1])
+    d.add(title())
+    im = d.render(
+        scale=109 * 1, line_width=0.3/25.4,
+        show_axi_bounds=False, use_axi_bounds=False)
+    im.write_to_png('out.png')
+    d.dump('out.axi')
+
+if __name__ == '__main__':
+    # prepare()
+    main()