more complicated test sketch working!

Window.py

@@ -11,6 +11,8 @@ from XDistance import XDistance
 from YDistance import YDistance
 from Horizontal import Horizontal
 from Vertical import Vertical
+from XFix import XFix
+from YFix import YFix
 
 class Window:
     def __init__(self, title):
@@ -41,11 +43,15 @@ class Window:
         s.constraints.append(Connect(l4, 1, l1, 0))
 
         s.constraints.append(Connect(c, 1, l2, 0))
-        s.constraints.append(Connect(c, 4, l3, 1))
+        s.constraints.append(YDistance(c, 4, l3, 1, 0))
+#        s.constraints.append(Connect(c, 4, l3, 1))
 
         s.constraints.append(XDistance(l1, 0, l1, 1, 0.4))
         s.constraints.append(YDistance(l4, 0, l4, 1, 0.4))
 
+        s.constraints.append(XFix(l1, 0, 0))
+        s.constraints.append(YFix(l1, 0, 0))
+
         s.solve()
 
         sw = SketchWidget(s)