diff --git a/cura/Arranging/ShapeArray.py b/cura/Arranging/ShapeArray.py
index 9232c9f22f..6ef92b1743 100644
--- a/cura/Arranging/ShapeArray.py
+++ b/cura/Arranging/ShapeArray.py
@@ -29,8 +29,14 @@ class ShapeArray:
         offset_x = int(numpy.amin(flip_vertices[:, 1]))
         flip_vertices[:, 0] = numpy.add(flip_vertices[:, 0], -offset_y)
         flip_vertices[:, 1] = numpy.add(flip_vertices[:, 1], -offset_x)
+        flip_vertices = numpy.ceil(flip_vertices)
         shape = [int(numpy.amax(flip_vertices[:, 0])), int(numpy.amax(flip_vertices[:, 1]))]
+        if shape == [0, 0]:
+            shape = [1, 1]
         arr = cls.arrayFromPolygon(shape, flip_vertices)
+        if not numpy.any(arr):
+            # set at least 1 pixel
+            arr[0][0] = 1
         return cls(arr, offset_x, offset_y)
 
     ##  Instantiate an offset and hull ShapeArray from a scene node.
diff --git a/tests/TestArrange.py b/tests/TestArrange.py
index 737305f638..4f6bb64118 100755
--- a/tests/TestArrange.py
+++ b/tests/TestArrange.py
@@ -118,6 +118,13 @@ def test_arrayFromPolygon2():
     assert numpy.any(array)
 
 
+##  Polygon -> array
+def test_fromPolygon():
+    vertices = numpy.array([[0, 0.5], [0, 0], [0.5, 0]])
+    array = ShapeArray.fromPolygon(vertices, scale=0.5)
+    assert numpy.any(array.arr)
+
+
 ##  Line definition -> array with true/false
 def test_check():
     base_array = numpy.zeros([5, 5], dtype=float)