Merge remote-tracking branch 'upstream/master'

Cura/gui/mainWindow.py

@@ -84,8 +84,10 @@ class mainWindow(configBase.configWindowBase):
 		menubar.Append(helpMenu, 'Help')
 		self.SetMenuBar(menubar)
 		
-		self.lastPath = ""
+		if profile.getPreference('lastFile') != '':
-		self.filename = profile.getPreference('lastFile')
+			self.filelist = profile.getPreference('lastFile').split(';')
+		else:
+			self.filelist = []
 		self.progressPanelList = []
 
 		#Preview window
@@ -189,6 +191,18 @@ class mainWindow(configBase.configWindowBase):
 		self.Bind(wx.EVT_BUTTON, self.OnLoadModel, loadButton)
 		self.Bind(wx.EVT_BUTTON, self.OnSlice, sliceButton)
 		self.Bind(wx.EVT_BUTTON, self.OnPrint, printButton)
+
+		extruderCount = int(profile.getPreference('extruder_amount'))
+		if extruderCount > 1:
+			loadButton2 = wx.Button(self, -1, 'Load Dual')
+			self.Bind(wx.EVT_BUTTON, self.OnLoadModel2, loadButton2)
+		if extruderCount > 2:
+			loadButton3 = wx.Button(self, -1, 'Load Tripple')
+			self.Bind(wx.EVT_BUTTON, self.OnLoadModel3, loadButton3)
+		if extruderCount > 2:
+			loadButton4 = wx.Button(self, -1, 'Load Quad')
+			self.Bind(wx.EVT_BUTTON, self.OnLoadModel4, loadButton4)
+
 		#Also bind double clicking the 3D preview to load an STL file.
 		self.preview3d.glCanvas.Bind(wx.EVT_LEFT_DCLICK, self.OnLoadModel, self.preview3d.glCanvas)
 
@@ -196,17 +210,22 @@ class mainWindow(configBase.configWindowBase):
 		sizer = wx.GridBagSizer()
 		self.SetSizer(sizer)
 		sizer.Add(nb, (0,0), span=(1,1), flag=wx.EXPAND)
-		sizer.Add(self.preview3d, (0,1), span=(1,3), flag=wx.EXPAND)
+		sizer.Add(self.preview3d, (0,1), span=(1,2+extruderCount), flag=wx.EXPAND)
-		sizer.AddGrowableCol(2)
+		sizer.AddGrowableCol(2 + extruderCount)
 		sizer.AddGrowableRow(0)
 		sizer.Add(loadButton, (1,1), flag=wx.RIGHT, border=5)
-		sizer.Add(sliceButton, (1,2), flag=wx.RIGHT, border=5)
+		if extruderCount > 1:
-		sizer.Add(printButton, (1,3), flag=wx.RIGHT, border=5)
+			sizer.Add(loadButton2, (1,2), flag=wx.RIGHT, border=5)
+		if extruderCount > 2:
+			sizer.Add(loadButton3, (1,3), flag=wx.RIGHT, border=5)
+		if extruderCount > 3:
+			sizer.Add(loadButton4, (1,4), flag=wx.RIGHT, border=5)
+		sizer.Add(sliceButton, (1,1+extruderCount), flag=wx.RIGHT, border=5)
+		sizer.Add(printButton, (1,2+extruderCount), flag=wx.RIGHT, border=5)
 		self.sizer = sizer
 
-		if self.filename != "None":
+		if len(self.filelist) > 0:
-			self.preview3d.loadModelFile(self.filename)
+			self.preview3d.loadModelFiles(self.filelist)
-			self.lastPath = os.path.split(self.filename)[0]
 
 		self.updateProfileToControls()
 
@@ -261,25 +280,48 @@ class mainWindow(configBase.configWindowBase):
 		configWizard.configWizard()
 		self.updateProfileToControls()
 
-	def OnLoadModel(self, e):
+	def _showOpenDialog(self, title, wildcard = "STL files (*.stl)|*.stl;*.STL"):
-		dlg=wx.FileDialog(self, "Open file to print", self.lastPath, style=wx.FD_OPEN|wx.FD_FILE_MUST_EXIST)
+		dlg=wx.FileDialog(self, title, os.path.split(profile.getPreference('lastFile'))[0], style=wx.FD_OPEN|wx.FD_FILE_MUST_EXIST)
-		dlg.SetWildcard("STL files (*.stl)|*.stl;*.STL")
+		dlg.SetWildcard(wildcard)
 		if dlg.ShowModal() == wx.ID_OK:
-			self.filename=dlg.GetPath()
+			filename = dlg.GetPath()
-			profile.putPreference('lastFile', self.filename)
+			dlg.Destroy()
-			if not(os.path.exists(self.filename)):
+			if not(os.path.exists(filename)):
-				return
+				return False
-			self.lastPath = os.path.split(self.filename)[0]
+			profile.putPreference('lastFile', filename)
-			self.preview3d.loadModelFile(self.filename)
+			return filename
-			self.preview3d.setViewMode("Normal")
 		dlg.Destroy()
+		return False
+
+	def _showModelLoadDialog(self, amount):
+		filelist = []
+		for i in xrange(0, amount):
+			filelist.append(self._showOpenDialog("Open file to print"))
+			if filelist[-1] == False:
+				return
+		self.filelist = filelist
+		profile.putPreference('lastFile', ';'.join(self.filelist))
+		self.preview3d.loadModelFiles(self.filelist)
+		self.preview3d.setViewMode("Normal")
+
+	def OnLoadModel(self, e):
+		self._showModelLoadDialog(1)
+	
+	def OnLoadModel2(self, e):
+		self._showModelLoadDialog(2)
+
+	def OnLoadModel3(self, e):
+		self._showModelLoadDialog(3)
+
+	def OnLoadModel4(self, e):
+		self._showModelLoadDialog(4)
 	
 	def OnSlice(self, e):
-		if self.filename == None:
+		if len(self.filelist) < 1:
 			wx.MessageBox('You need to load a file before you can slice it.', 'Print error', wx.OK | wx.ICON_INFORMATION)
 			return
 		#Create a progress panel and add it to the window. The progress panel will start the Skein operation.
-		spp = sliceProgessPanel.sliceProgessPanel(self, self, self.filename)
+		spp = sliceProgessPanel.sliceProgessPanel(self, self, self.filelist)
 		self.sizer.Add(spp, (len(self.progressPanelList)+2,0), span=(1,4), flag=wx.EXPAND)
 		self.sizer.Layout()
 		newSize = self.GetSize();
@@ -288,13 +330,13 @@ class mainWindow(configBase.configWindowBase):
 		self.progressPanelList.append(spp)
 	
 	def OnPrint(self, e):
-		if self.filename == None:
+		if len(self.filelist) < 1:
 			wx.MessageBox('You need to load a file and slice it before you can print it.', 'Print error', wx.OK | wx.ICON_INFORMATION)
 			return
-		if not os.path.exists(self.filename[: self.filename.rfind('.')] + "_export.gcode"):
+		if not os.path.exists(self.filelist[0][: self.filelist[0].rfind('.')] + "_export.gcode"):
 			wx.MessageBox('You need to slice the file to GCode before you can print it.', 'Print error', wx.OK | wx.ICON_INFORMATION)
 			return
-		printWindow.printFile(self.filename[: self.filename.rfind('.')] + "_export.gcode")
+		printWindow.printFile(self.filelist[0][: self.filelist[0].rfind('.')] + "_export.gcode")
 
 	def OnExpertOpen(self, e):
 		ecw = expertConfig.expertConfigWindow()

Cura/gui/preferencesDialog.py

@@ -24,6 +24,7 @@ class preferencesDialog(configBase.configWindowBase):
 		validators.validFloat(c, 10.0)
 		c = configBase.SettingRow(left, 'Machine height (mm)', 'machine_height', '200', 'Size of the machine in mm', type = 'preference')
 		validators.validFloat(c, 10.0)
+		c = configBase.SettingRow(left, 'Extruder count', 'extruder_amount', ['1', '2', '3', '4'], 'Amount of extruders in your machine.', type = 'preference')
 
 		configBase.TitleRow(left, 'Filament settings')
 		c = configBase.SettingRow(left, 'Filament density (kg/m3)', 'filament_density', '1300', 'Weight of the filament per m3. Around 1300 for PLA. And around 1040 for ABS. This value is used to estimate the weight if the filament used for the print.', type = 'preference')
@@ -38,7 +39,7 @@ class preferencesDialog(configBase.configWindowBase):
 		c = configBase.SettingRow(left, 'Baudrate', 'serial_baud', '250000', 'Speed of the serial port communication\nNeeds to match your firmware settings\nCommon values are 250000, 115200, 57600', type = 'preference')
 
 		configBase.TitleRow(left, 'Slicer settings')
-		c = configBase.SettingRow(left, 'Slicer selection', 'slicer', ['Cura (Skeinforge based)', 'Slic3r'], 'Which slicer to use to slice objects. Usually the Cura engine produces the best results. But Slic3r is developing fast and is faster with slicing.', type = 'preference')
+		#c = configBase.SettingRow(left, 'Slicer selection', 'slicer', ['Cura (Skeinforge based)', 'Slic3r'], 'Which slicer to use to slice objects. Usually the Cura engine produces the best results. But Slic3r is developing fast and is faster with slicing.', type = 'preference')
 		c = configBase.SettingRow(left, 'Save profile on slice', 'save_profile', False, 'When slicing save the profile as [stl_file]_profile.ini next to the model.', type = 'preference')
 		
 		self.MakeModal(True)

Cura/gui/preview3d.py

@@ -27,6 +27,13 @@ from util import gcodeInterpreter
 from util import stl
 from util import util3d
 
+class previewObject():
+	def __init__(self):
+		self.mesh = None
+		self.filename = None
+		self.displayList = None
+		self.dirty = False
+
 class previewPanel(wx.Panel):
 	def __init__(self, parent):
 		super(previewPanel, self).__init__(parent,-1)
@@ -35,11 +42,10 @@ class previewPanel(wx.Panel):
 		self.SetMinSize((440,320))
 		
 		self.glCanvas = PreviewGLCanvas(self)
-		self.init = 0
+		self.objectList = []
-		self.triangleMesh = None
 		self.gcode = None
-		self.modelFilename = None
+		self.objectsMinV = None
-		self.loadingProgressAmount = 0
+		self.objectsMaxV = None
 		self.loadThread = None
 		self.machineSize = util3d.Vector3(float(profile.getPreference('machine_width')), float(profile.getPreference('machine_depth')), float(profile.getPreference('machine_height')))
 		self.machineCenter = util3d.Vector3(float(profile.getProfileSetting('machine_center_x')), float(profile.getProfileSetting('machine_center_y')), 0)
@@ -138,10 +144,10 @@ class previewPanel(wx.Panel):
 		self.glCanvas.Refresh()
 	
 	def OnScaleMax(self, e):
-		if self.triangleMesh == None:
+		if self.objectsMinV == None:
 			return
-		vMin = self.triangleMesh.getMinimum()
+		vMin = self.objectsMinV
-		vMax = self.triangleMesh.getMaximum()
+		vMax = self.objectsMaxV
 		scaleX1 = (self.machineSize.x - self.machineCenter.x) / ((vMax.x - vMin.x) / 2)
 		scaleY1 = (self.machineSize.y - self.machineCenter.y) / ((vMax.y - vMin.y) / 2)
 		scaleX2 = (self.machineCenter.x) / ((vMax.x - vMin.x) / 2)
@@ -194,15 +200,21 @@ class previewPanel(wx.Panel):
 		self.glCanvas.viewMode = mode
 		wx.CallAfter(self.glCanvas.Refresh)
 	
-	def loadModelFile(self, filename):
+	def loadModelFiles(self, filelist):
-		if self.modelFilename != filename:
+		while len(filelist) > len(self.objectList):
-			self.modelFileTime = None
+			self.objectList.append(previewObject())
-			self.gcodeFileTime = None
+		for idx in xrange(len(self.objectList), len(filelist)):
-			self.logFileTime = None
+			self.objectList[idx].mesh = None
+		for idx in xrange(0, len(filelist)):
+			obj = self.objectList[idx]
+			if obj.filename != filelist[idx]:
+				obj.fileTime = None
+				self.gcodeFileTime = None
+				self.logFileTime = None
+			obj.filename = filelist[idx]
 		
-		self.modelFilename = filename
+		self.gcodeFilename = filelist[0][: filelist[0].rfind('.')] + "_export.gcode"
-		self.gcodeFilename = filename[: filename.rfind('.')] + "_export.gcode"
+		self.logFilename = filelist[0][: filelist[0].rfind('.')] + "_export.log"
-		self.logFilename = filename[: filename.rfind('.')] + "_export.log"
 		#Do the STL file loading in a background thread so we don't block the UI.
 		if self.loadThread != None and self.loadThread.isAlive():
 			self.loadThread.join()
@@ -210,35 +222,32 @@ class previewPanel(wx.Panel):
 		self.loadThread.daemon = True
 		self.loadThread.start()
 	
-	def loadReModelFile(self, filename):
+	def loadReModelFiles(self, filelist):
 		#Only load this again if the filename matches the file we have already loaded (for auto loading GCode after slicing)
-		if self.modelFilename != filename:
+		for idx in xrange(0, len(filelist)):
-			return False
+			if self.objectList[idx].filename != filelist[idx]:
-		self.loadModelFile(filename)
+				return False
+		self.loadModelFiles(filelist)
 		return True
 	
 	def doFileLoadThread(self):
-		if os.path.isfile(self.modelFilename) and self.modelFileTime != os.stat(self.modelFilename).st_mtime:
+		for obj in self.objectList:
-			self.modelFileTime = os.stat(self.modelFilename).st_mtime
+			if os.path.isfile(obj.filename) and obj.fileTime != os.stat(obj.filename).st_mtime:
-			triangleMesh = stl.stlModel()
+				obj.ileTime = os.stat(obj.filename).st_mtime
-			triangleMesh.load(self.modelFilename)
+				mesh = stl.stlModel()
-			triangleMesh.origonalVertexes = list(triangleMesh.vertexes)
+				mesh.load(obj.filename)
-			for i in xrange(0, len(triangleMesh.origonalVertexes)):
+				obj.dirty = False
-				triangleMesh.origonalVertexes[i] = triangleMesh.origonalVertexes[i].copy()
+				obj.errorList = []
-			triangleMesh.getMinimumZ()
+				obj.mesh = mesh
-			self.modelDirty = False
+				self.updateModelTransform()
-			self.errorList = []
+				wx.CallAfter(self.updateToolbar)
-			self.triangleMesh = triangleMesh
+				wx.CallAfter(self.glCanvas.Refresh)
-			self.updateModelTransform()
-			wx.CallAfter(self.updateToolbar)
-			wx.CallAfter(self.glCanvas.Refresh)
 		
 		if os.path.isfile(self.gcodeFilename) and self.gcodeFileTime != os.stat(self.gcodeFilename).st_mtime:
 			self.gcodeFileTime = os.stat(self.gcodeFilename).st_mtime
 			gcode = gcodeInterpreter.gcode()
 			gcode.progressCallback = self.loadProgress
 			gcode.load(self.gcodeFilename)
-			self.loadingProgressAmount = 0
 			self.gcodeDirty = False
 			self.errorList = []
 			self.gcode = gcode
@@ -260,8 +269,7 @@ class previewPanel(wx.Panel):
 			wx.CallAfter(self.glCanvas.Refresh)
 	
 	def loadProgress(self, progress):
-		self.loadingProgressAmount = progress
+		pass
-		wx.CallAfter(self.glCanvas.Refresh)
 	
 	def updateToolbar(self):
 		self.layerSpin.Show(self.gcode != None)
@@ -283,8 +291,6 @@ class previewPanel(wx.Panel):
 		self.glCanvas.Refresh()
 	
 	def updateModelTransform(self, f=0):
-		if self.triangleMesh == None:
-			return
 		rotate = profile.getProfileSettingFloat('model_rotate_base') / 180.0 * math.pi
 		scaleX = 1.0
 		scaleY = 1.0
@@ -302,34 +308,54 @@ class previewPanel(wx.Panel):
 		mat10 = math.sin(rotate) * scaleX
 		mat11 = math.cos(rotate) * scaleY
 		
-		for i in xrange(0, len(self.triangleMesh.origonalVertexes)):
+		if len(self.objectList) < 1 or self.objectList[0].mesh == None:
-			x = self.triangleMesh.origonalVertexes[i].x
+			return
-			y = self.triangleMesh.origonalVertexes[i].y
-			z = self.triangleMesh.origonalVertexes[i].z
-			if swapXZ:
-				x, z = z, x
-			if swapYZ:
-				y, z = z, y
-			self.triangleMesh.vertexes[i].x = x * mat00 + y * mat01
-			self.triangleMesh.vertexes[i].y = x * mat10 + y * mat11
-			self.triangleMesh.vertexes[i].z = z * scaleZ
 
-		for face in self.triangleMesh.faces:
+		for obj in self.objectList:
-			v1 = face.v[0]
+			if obj.mesh == None:
-			v2 = face.v[1]
+				continue
-			v3 = face.v[2]
+		
-			face.normal = (v2 - v1).cross(v3 - v1)
+			for i in xrange(0, len(obj.mesh.origonalVertexes)):
-			face.normal.normalize()
+				x = obj.mesh.origonalVertexes[i].x
+				y = obj.mesh.origonalVertexes[i].y
+				z = obj.mesh.origonalVertexes[i].z
+				if swapXZ:
+					x, z = z, x
+				if swapYZ:
+					y, z = z, y
+				obj.mesh.vertexes[i].x = x * mat00 + y * mat01
+				obj.mesh.vertexes[i].y = x * mat10 + y * mat11
+				obj.mesh.vertexes[i].z = z * scaleZ
 
-		minZ = self.triangleMesh.getMinimumZ()
+			for face in obj.mesh.faces:
-		min = self.triangleMesh.getMinimum()
+				v1 = face.v[0]
-		max = self.triangleMesh.getMaximum()
+				v2 = face.v[1]
-		for v in self.triangleMesh.vertexes:
+				v3 = face.v[2]
-			v.z -= minZ
+				face.normal = (v2 - v1).cross(v3 - v1)
-			v.x -= min.x + (max.x - min.x) / 2
+				face.normal.normalize()
-			v.y -= min.y + (max.y - min.y) / 2
+		
-		self.triangleMesh.getMinimumZ()
+		minV = self.objectList[0].mesh.getMinimum()
-		self.modelDirty = True
+		maxV = self.objectList[0].mesh.getMaximum()
+		for obj in self.objectList:
+			if obj.mesh == None:
+				continue
+
+			obj.mesh.getMinimumZ()
+			minV = minV.min(obj.mesh.getMinimum())
+			maxV = maxV.max(obj.mesh.getMaximum())
+
+		self.objectsMaxV = maxV
+		self.objectsMinV = minV
+		for obj in self.objectList:
+			if obj.mesh == None:
+				continue
+
+			for v in obj.mesh.vertexes:
+				v.z -= minV.z
+				v.x -= minV.x + (maxV.x - minV.x) / 2
+				v.y -= minV.y + (maxV.y - minV.y) / 2
+			obj.mesh.getMinimumZ()
+			obj.dirty = True
 		self.glCanvas.Refresh()
 
 class PreviewGLCanvas(glcanvas.GLCanvas):
@@ -349,8 +375,8 @@ class PreviewGLCanvas(glcanvas.GLCanvas):
 		self.offsetX = 0
 		self.offsetY = 0
 		self.view3D = True
-		self.modelDisplayList = None
 		self.gcodeDisplayList = None
+		self.objColor = [[1.0, 0.8, 0.6, 1.0], [0.2, 1.0, 0.1, 1.0], [1.0, 0.2, 0.1, 1.0], [0.1, 0.2, 1.0, 1.0]]
 	
 	def OnMouseMotion(self,e):
 		if e.Dragging() and e.LeftIsDown():
@@ -398,8 +424,8 @@ class PreviewGLCanvas(glcanvas.GLCanvas):
 			glTranslate(0,0,-self.zoom)
 			glRotate(-self.pitch, 1,0,0)
 			glRotate(self.yaw, 0,0,1)
-			if self.parent.triangleMesh != None:
+			if self.parent.objectsMaxV != None:
-				glTranslate(0,0,-self.parent.triangleMesh.getMaximum().z * profile.getProfileSettingFloat('model_scale') / 2)
+				glTranslate(0,0,-self.parent.objectsMaxV.z * profile.getProfileSettingFloat('model_scale') / 2)
 		else:
 			glScale(1.0/self.zoom, 1.0/self.zoom, 1.0)
 			glTranslate(self.offsetX, self.offsetY, 0.0)
@@ -505,26 +531,28 @@ class PreviewGLCanvas(glcanvas.GLCanvas):
 			if self.viewMode == "GCode" or self.viewMode == "Mixed":
 				glCallList(self.gcodeDisplayList)
 		
-		if self.parent.triangleMesh != None:
+		glTranslate(self.parent.machineCenter.x, self.parent.machineCenter.y, 0)
-			if self.modelDisplayList == None:
+		for obj in self.parent.objectList:
-				self.modelDisplayList = glGenLists(1);
+			if obj.mesh == None:
-			if self.parent.modelDirty:
+				continue
-				self.parent.modelDirty = False
+			if obj.displayList == None:
-				glNewList(self.modelDisplayList, GL_COMPILE)
+				obj.displayList = glGenLists(1);
-				opengl.DrawSTL(self.parent.triangleMesh)
+			if obj.dirty:
+				obj.dirty = False
+				glNewList(obj.displayList, GL_COMPILE)
+				opengl.DrawSTL(obj.mesh)
 				glEndList()
 			
-			glTranslate(self.parent.machineCenter.x, self.parent.machineCenter.y, 0)
 			glEnable(GL_NORMALIZE)
 			if self.viewMode == "Transparent" or self.viewMode == "Mixed":
-				glLightfv(GL_LIGHT0, GL_DIFFUSE,  [0.5, 0.4, 0.3, 1.0])
+				glLightfv(GL_LIGHT0, GL_DIFFUSE, map(lambda x: x / 2, self.objColor[self.parent.objectList.index(obj)]))
-				glLightfv(GL_LIGHT0, GL_AMBIENT,  [0.1, 0.1, 0.1, 0.0])
+				glLightfv(GL_LIGHT0, GL_AMBIENT, map(lambda x: x / 10, self.objColor[self.parent.objectList.index(obj)]))
 				#If we want transparent, then first render a solid black model to remove the printer size lines.
 				if self.viewMode != "Mixed":
 					glDisable(GL_BLEND)
 					glDisable(GL_LIGHTING)
 					glColor3f(0,0,0)
-					self.drawModel()
+					self.drawModel(obj)
 					glColor3f(1,1,1)
 				#After the black model is rendered, render the model again but now with lighting and no depth testing.
 				glDisable(GL_DEPTH_TEST)
@@ -532,23 +560,23 @@ class PreviewGLCanvas(glcanvas.GLCanvas):
 				glEnable(GL_BLEND)
 				glBlendFunc(GL_ONE, GL_ONE)
 				glEnable(GL_LIGHTING)
-				self.drawModel()
+				self.drawModel(obj)
 			elif self.viewMode == "X-Ray":
 				glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE)
 				glDisable(GL_DEPTH_TEST)
 				glEnable(GL_STENCIL_TEST);
 				glStencilFunc(GL_ALWAYS, 1, 1)
 				glStencilOp(GL_INCR, GL_INCR, GL_INCR)
-				self.drawModel()
+				self.drawModel(obj)
 				glStencilOp (GL_KEEP, GL_KEEP, GL_KEEP);
 				
 				glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE)
 				glStencilFunc(GL_EQUAL, 0, 1);
 				glColor(1, 1, 1)
-				self.drawModel()
+				self.drawModel(obj)
 				glStencilFunc(GL_EQUAL, 1, 1);
 				glColor(1, 0, 0)
-				self.drawModel()
+				self.drawModel(obj)
 
 				glPushMatrix()
 				glLoadIdentity()
@@ -575,28 +603,29 @@ class PreviewGLCanvas(glcanvas.GLCanvas):
 				glDisable(GL_STENCIL_TEST);
 				glEnable(GL_DEPTH_TEST)
 			elif self.viewMode == "Normal":
-				glLightfv(GL_LIGHT0, GL_DIFFUSE,  [1.0, 0.8, 0.6, 1.0])
+				glLightfv(GL_LIGHT0, GL_DIFFUSE, self.objColor[self.parent.objectList.index(obj)])
-				glLightfv(GL_LIGHT0, GL_AMBIENT,  [0.2, 0.2, 0.2, 0.0])
+				glLightfv(GL_LIGHT0, GL_AMBIENT, map(lambda x: x / 5, self.objColor[self.parent.objectList.index(obj)]))
 				glEnable(GL_LIGHTING)
-				self.drawModel()
+				self.drawModel(obj)
 			
 			if self.viewMode == "Normal" or self.viewMode == "Transparent" or self.viewMode == "X-Ray":
 				glDisable(GL_LIGHTING)
 				glDisable(GL_DEPTH_TEST)
 				glDisable(GL_BLEND)
 				glColor3f(1,0,0)
-				glBegin(GL_LINES)
+				#glBegin(GL_LINES)
-				for err in self.parent.errorList:
+				#for err in self.parent.errorList:
-					glVertex3f(err[0].x, err[0].y, err[0].z)
+				#	glVertex3f(err[0].x, err[0].y, err[0].z)
-					glVertex3f(err[1].x, err[1].y, err[1].z)
+				#	glVertex3f(err[1].x, err[1].y, err[1].z)
-				glEnd()
+				#glEnd()
+				glEnable(GL_DEPTH_TEST)
 		glFlush()
 	
-	def drawModel(self):
+	def drawModel(self, obj):
 		multiX = int(profile.getProfileSetting('model_multiply_x'))
 		multiY = int(profile.getProfileSetting('model_multiply_y'))
 		modelScale = profile.getProfileSettingFloat('model_scale')
-		modelSize = (self.parent.triangleMesh.getMaximum() - self.parent.triangleMesh.getMinimum()) * modelScale
+		modelSize = (obj.mesh.getMaximum() - obj.mesh.getMinimum()) * modelScale
 		glPushMatrix()
 		glTranslate(-(modelSize.x+10)*(multiX-1)/2,-(modelSize.y+10)*(multiY-1)/2, 0)
 		for mx in xrange(0, multiX):
@@ -604,7 +633,7 @@ class PreviewGLCanvas(glcanvas.GLCanvas):
 				glPushMatrix()
 				glTranslate((modelSize.x+10)*mx,(modelSize.y+10)*my, 0)
 				glScalef(modelScale, modelScale, modelScale)
-				glCallList(self.modelDisplayList)
+				glCallList(obj.displayList)
 				glPopMatrix()
 		glPopMatrix()
 

Cura/gui/projectPlanner.py

@@ -707,11 +707,11 @@ class ProjectSliceProgressWindow(wx.Frame):
 			
 			if action == self.actionList[0]:
 				resultFile.write(';TYPE:CUSTOM\n')
-				resultFile.write(profile.getAlterationFileContents('start.gcode'))
+				resultFile.write(profile.getAlterationFileContents('start.gcode').encode('utf-8')
 			else:
 				#reset the extrusion length, and move to the next object center.
 				resultFile.write(';TYPE:CUSTOM\n')
-				resultFile.write(profile.getAlterationFileContents('nextobject.gcode'))
+				resultFile.write(profile.getAlterationFileContents('nextobject.gcode').encode('utf-8')
 			resultFile.write(';PRINTNR:%d\n' % self.actionList.index(action))
 			profile.loadGlobalProfileFromString(oldProfile)
 			
@@ -727,7 +727,7 @@ class ProjectSliceProgressWindow(wx.Frame):
 			wx.CallAfter(self.progressGauge2.SetValue, self.actionList.index(action) + 1)
 		
 		resultFile.write(';TYPE:CUSTOM\n')
-		resultFile.write(profile.getAlterationFileContents('end.gcode'))
+		resultFile.write(profile.getAlterationFileContents('end.gcode').encode('utf-8')
 		resultFile.close()
 		self.abort = True
 		wx.CallAfter(self.abortButton.SetLabel, 'Close')

Cura/gui/sliceProgessPanel.py

@@ -1,22 +1,17 @@
 from __future__ import absolute_import
 import __init__
 
-import wx
+import wx, sys, os, math, threading, subprocess, time
-import sys
-import math
-import threading
-import subprocess
-import time
 
 from util import profile
 from util import sliceRun
 from util import exporer
 
 class sliceProgessPanel(wx.Panel):
-	def __init__(self, mainWindow, parent, filename):
+	def __init__(self, mainWindow, parent, filelist):
 		wx.Panel.__init__(self, parent, -1)
 		self.mainWindow = mainWindow
-		self.filename = filename
+		self.filelist = filelist
 		self.abort = False
 		
 		#How long does each step take compared to the others. This is used to make a better scaled progress bar, and guess time left.
@@ -40,7 +35,7 @@ class sliceProgessPanel(wx.Panel):
 		for v in self.sliceStepTimeFactor.itervalues():
 			self.totalRunTimeFactor += v
 
-		box = wx.StaticBox(self, -1, filename)
+		box = wx.StaticBox(self, -1, filelist[0])
 		self.sizer = wx.StaticBoxSizer(box, wx.HORIZONTAL)
 
 		mainSizer = wx.BoxSizer(wx.VERTICAL) 
@@ -61,9 +56,18 @@ class sliceProgessPanel(wx.Panel):
 		self.totalDoneFactor = 0.0
 		self.startTime = time.time()
 		if profile.getPreference('save_profile') == 'True':
-			profile.saveGlobalProfile(self.filename[: self.filename.rfind('.')] + "_profile.ini")
+			profile.saveGlobalProfile(self.filelist[0][: self.filelist[0].rfind('.')] + "_profile.ini")
-		p = subprocess.Popen(sliceRun.getSliceCommand(self.filename), stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+		cmdList = []
-		self.thread = WorkerThread(self, filename, p)
+		oldProfile = profile.getGlobalProfileString()
+		for filename in self.filelist:
+			if self.filelist.index(filename) > 0:
+				profile.putProfileSetting('fan_enabled', 'False')
+			if len(self.filelist) > 1:
+				profile.putProfileSetting('add_start_end_gcode', 'False')
+				profile.putProfileSetting('gcode_extension', 'multi_extrude_tmp')
+			cmdList.append(sliceRun.getSliceCommand(filename))
+		profile.loadGlobalProfileFromString(oldProfile)
+		self.thread = WorkerThread(self, filelist, cmdList)
 	
 	def OnAbort(self, e):
 		if self.abort:
@@ -72,14 +76,14 @@ class sliceProgessPanel(wx.Panel):
 			self.abort = True
 	
 	def OnShowGCode(self, e):
-		self.mainWindow.preview3d.loadModelFile(self.filename)
+		self.mainWindow.preview3d.loadModelFiles(self.filelist)
 		self.mainWindow.preview3d.setViewMode("GCode")
 	
 	def OnShowLog(self, e):
 		LogWindow('\n'.join(self.progressLog))
 	
 	def OnOpenFileLocation(self, e):
-		exporer.openExporer(self.filename[: self.filename.rfind('.')] + "_export.gcode")
+		exporer.openExporer(self.filelist[0][: self.filelist[0].rfind('.')] + "_export.gcode")
 	
 	def OnSliceDone(self, result):
 		self.progressGauge.Destroy()
@@ -105,7 +109,7 @@ class sliceProgessPanel(wx.Panel):
 		self.sizer.Layout()
 		self.Layout()
 		self.abort = True
-		if self.mainWindow.preview3d.loadReModelFile(self.filename):
+		if self.mainWindow.preview3d.loadReModelFiles(self.filelist):
 			self.mainWindow.preview3d.setViewMode("GCode")
 	
 	def SetProgress(self, stepName, layer, maxLayer):
@@ -121,18 +125,19 @@ class sliceProgessPanel(wx.Panel):
 		self.statusText.SetLabel(stepName + " [" + str(layer) + "/" + str(maxLayer) + "]")
 
 class WorkerThread(threading.Thread):
-	def __init__(self, notifyWindow, filename, process):
+	def __init__(self, notifyWindow, filelist, cmdList):
 		threading.Thread.__init__(self)
-		self.filename = filename
+		self.filelist = filelist
 		self.notifyWindow = notifyWindow
-		self.process = process
+		self.cmdList = cmdList
+		self.fileIdx = 0
 		self.start()
 
 	def run(self):
-		p = self.process
+		p = subprocess.Popen(self.cmdList[self.fileIdx], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
 		line = p.stdout.readline()
-		maxValue = 1
 		self.progressLog = []
+		maxValue = 1
 		while(len(line) > 0):
 			line = line.rstrip()
 			if line[0:9] == "Progress[" and line[-1:] == "]":
@@ -150,12 +155,43 @@ class WorkerThread(threading.Thread):
 				return
 			line = p.stdout.readline()
 		self.returnCode = p.wait()
-		logfile = open(self.filename[: self.filename.rfind('.')] + "_export.log", "w")
+		logfile = open(self.filelist[self.fileIdx][: self.filelist[self.fileIdx].rfind('.')] + "_export.log", "w")
 		for logLine in self.progressLog:
 			logfile.write(logLine)
 			logfile.write('\n')
 		logfile.close()
-		wx.CallAfter(self.notifyWindow.OnSliceDone, self)
+		self.fileIdx += 1
+		if self.fileIdx == len(self.cmdList):
+			if len(self.filelist) > 1:
+				self._stitchMultiExtruder()
+			wx.CallAfter(self.notifyWindow.OnSliceDone, self)
+		else:
+			self.run()
+	
+	def _stitchMultiExtruder(self):
+		files = []
+		resultFile = open(self.filelist[0][:self.filelist[0].rfind('.')]+'_export.gcode', "w")
+		resultFile.write(';TYPE:CUSTOM\n')
+		resultFile.write(unicode(profile.getAlterationFileContents('start.gcode')).encode('utf-8'))
+		for filename in self.filelist:
+			files.append(open(filename[:filename.rfind('.')]+'_export.multi_extrude_tmp', "r"))
+		
+		hasLine = True
+		while hasLine:
+			hasLine = False
+			for f in files:
+				for line in f:
+					resultFile.write(line)
+					hasLine = True
+					if line.startswith(';LAYER:'):
+						break
+		for f in files:
+			f.close()
+		for filename in self.filelist:
+			os.remove(filename[:filename.rfind('.')]+'_export.multi_extrude_tmp')
+		resultFile.write(';TYPE:CUSTOM\n')
+		resultFile.write(unicode(profile.getAlterationFileContents('end.gcode')).encode('utf-8'))
+		resultFile.close()
 
 class LogWindow(wx.Frame):
 	def __init__(self, logText):

Cura/util/profile.py

@@ -123,10 +123,11 @@ G1 Z0 F{max_z_speed}
 preferencesDefaultSettings = {
 	'wizardDone': 'False',
 	'startMode': 'Simple',
-	'lastFile': 'None',
+	'lastFile': '',
 	'machine_width': '205',
 	'machine_depth': '205',
 	'machine_height': '200',
+	'extruder_amount': '1',
 	'filament_density': '1300',
 	'steps_per_e': '0',
 	'serial_port': 'AUTO',

Cura/util/sliceRun.py

@@ -116,5 +116,7 @@ def getSliceCommand(filename):
 		pypyExe = getPyPyExe()
 		if pypyExe == False:
 			pypyExe = sys.executable
-		return [pypyExe, os.path.abspath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", os.path.split(sys.argv[0])[1])), '-p', profile.getGlobalProfileString(), filename]
+		cmd = [pypyExe, os.path.abspath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", os.path.split(sys.argv[0])[1])), '-p', profile.getGlobalProfileString()]
+		cmd.append(filename)
+		return cmd
 

Cura/util/stl.py

@@ -28,6 +28,8 @@ class stlModel():
 		else:
 			self._loadBinary(f)
 		f.close()
+		
+		self._createOrigonalVertexCopy()
 	
 	def _loadAscii(self, f):
 		cnt = 0
@@ -62,6 +64,12 @@ class stlModel():
 			self.vertexes.append(v1)
 			self.vertexes.append(v2)
 
+	def _createOrigonalVertexCopy(self):
+		self.origonalVertexes = list(self.vertexes)
+		for i in xrange(0, len(self.origonalVertexes)):
+			self.origonalVertexes[i] = self.origonalVertexes[i].copy()
+		self.getMinimumZ()
+
 	def getMinimumZ(self):
 		minv = self.vertexes[0].copy()
 		maxv = self.vertexes[0].copy()

Cura/util/util3d.py

@@ -69,3 +69,9 @@ class Vector3():
 			self.y /= f
 			self.z /= f
 
+	def min(self, v):
+		return Vector3(min(self.x, v.x), min(self.y, v.y), min(self.z, v.z))
+
+	def max(self, v):
+		return Vector3(max(self.x, v.x), max(self.y, v.y), max(self.z, v.z))
+