diff --git a/Cura/gui/opengl.py b/Cura/gui/opengl.py
index fe1cf58..b2a6571 100644
--- a/Cura/gui/opengl.py
+++ b/Cura/gui/opengl.py
@@ -303,13 +303,24 @@ def DrawMesh(mesh):
 	glEnableClientState(GL_NORMAL_ARRAY);
 	glVertexPointer(3, GL_FLOAT, 0, mesh.vertexes)
 	glNormalPointer(GL_FLOAT, 0, mesh.normal)
+
+	#Odd, drawing in batchs is a LOT faster then drawing it all at once.
+	batchSize = 999	#Warning, batchSize needs to be dividable by 3
+	extraStartPos = int(mesh.vertexCount / batchSize) * batchSize
+	extraCount = mesh.vertexCount - extraStartPos
 	
 	glCullFace(GL_BACK)
-	glDrawArrays(GL_TRIANGLES, 0, mesh.vertexCount)
+	for i in xrange(0, int(mesh.vertexCount / batchSize)):
+		glDrawArrays(GL_TRIANGLES, i*batchSize, batchSize)
+	glDrawArrays(GL_TRIANGLES, extraStartPos, extraCount)
 	
 	glCullFace(GL_FRONT)
 	glNormalPointer(GL_FLOAT, 0, mesh.invNormal)
-	glDrawArrays(GL_TRIANGLES, 0, mesh.vertexCount)
+	for i in xrange(0, int(mesh.vertexCount / batchSize)):
+		glDrawArrays(GL_TRIANGLES, i*batchSize, batchSize)
+	extraStartPos = int(mesh.vertexCount / batchSize) * batchSize
+	extraCount = mesh.vertexCount - extraStartPos
+	glDrawArrays(GL_TRIANGLES, extraStartPos, extraCount)
 	glCullFace(GL_BACK)
 	
 	glDisableClientState(GL_VERTEX_ARRAY)
diff --git a/Cura/util/mesh.py b/Cura/util/mesh.py
index aed74b7..513f8f7 100644
--- a/Cura/util/mesh.py
+++ b/Cura/util/mesh.py
@@ -19,8 +19,8 @@ class mesh(object):
 	
 	def _prepareVertexCount(self, vertexNumber):
 		#Set the amount of faces before loading data in them. This way we can create the numpy arrays before we fill them.
-		self.origonalVertexes = numpy.zeros((vertexNumber, 3), float)
-		self.normal = numpy.zeros((vertexNumber, 3), float)
+		self.origonalVertexes = numpy.zeros((vertexNumber, 3), numpy.float32)
+		self.normal = numpy.zeros((vertexNumber, 3), numpy.float32)
 		self.vertexCount = 0
 
 	def _postProcessAfterLoad(self):
@@ -56,11 +56,11 @@ class mesh(object):
 		mat10 = math.sin(rotate) * scaleX
 		mat11 = math.cos(rotate) * scaleY
 		
-		mat = numpy.array([[mat00,mat10,0],[mat01,mat11,0],[0,0,scaleZ]], float)
+		mat = numpy.array([[mat00,mat10,0],[mat01,mat11,0],[0,0,scaleZ]], numpy.float32)
 		if swapXZ:
-			mat = numpy.array([mat[2],mat[1],mat[0]], float)
+			mat = numpy.array([mat[2],mat[1],mat[0]], numpy.float32)
 		if swapYZ:
-			mat = numpy.array([mat[0],mat[2],mat[1]], float)
+			mat = numpy.array([mat[0],mat[2],mat[1]], numpy.float32)
 		self.vertexes = (numpy.matrix(self.origonalVertexes, copy = False) * numpy.matrix(mat)).getA()
 
 		tris = self.vertexes.reshape(self.vertexCount / 3, 3, 3)
@@ -70,7 +70,7 @@ class mesh(object):
 		normals[:,1] /= lens
 		normals[:,2] /= lens
 		
-		n = numpy.zeros((self.vertexCount / 3, 9), float)
+		n = numpy.zeros((self.vertexCount / 3, 9), numpy.float32)
 		n[:,0:3] = normals
 		n[:,3:6] = normals
 		n[:,6:9] = normals