Added '*' operator support for cq.Vector where cq.Vector is the right operand

cadquery/occ_impl/geom.py

@@ -155,6 +155,9 @@ class Vector(object):
     def __truediv__(self, denom: float) -> "Vector":
         return self.multiply(1.0 / denom)
 
+    def __rmul__(self, scale: float) -> "Vector":
+        return self.multiply(scale)
+
     def normalized(self) -> "Vector":
         """Return a normalized version of this vector"""
         return Vector(self.wrapped.Normalized())

tests/test_cad_objects.py

@@ -244,6 +244,9 @@ class TestCadObjects(BaseTest):
         result = Vector(1, 2, 3) * 2
         self.assertEqual(Vector(2, 4, 6), result)
 
+        result = 3 * Vector(1, 2, 3)
+        self.assertEqual(Vector(3, 6, 9), result)
+
         result = Vector(2, 4, 6) / 2
         self.assertEqual(Vector(1, 2, 3), result)