diff --git a/plater.py b/plater.py
index 971dff5..975456f 100644
--- a/plater.py
+++ b/plater.py
@@ -12,10 +12,12 @@ class stlwrap:
         return self.name
     
 
-class showstl(wx.Frame):
+class showstl(wx.Window):
     def __init__(self,parent,size,pos):
         wx.Window.__init__(self,parent,size=size,pos=pos)
         self.l=wx.ListCtrl(self,size=(300,100),pos=(0,size[1]-100))
+        self.b=wx.Button(self,label="Export",pos=(300,size[1]-100))
+        self.b.Bind(wx.EVT_BUTTON,self.export)
         #self.SetBackgroundColour((0,0,0))
         wx.FutureCall(200,self.paint)
         self.i=0
@@ -30,6 +32,18 @@ class showstl(wx.Frame):
         self.initpos=None
         self.prevsel=-1
         
+    def export(self,event):
+        dlg=wx.FileDialog(self,"Pick file to save to",self.basedir,style=wx.FD_SAVE)
+        dlg.SetWildcard("STL files (;*.stl;)")
+        if(dlg.ShowModal() == wx.ID_OK):
+            name=dlg.GetPath()
+            facets=[]
+            for i in self.models.values():
+                facets+=i.facets
+            stltool.emitstl(name,facets,"plater_export")
+            print "wrote ",name
+        
+        
     def right(self,event):
         dlg=wx.FileDialog(self,"Open file to print",self.basedir,style=wx.FD_OPEN|wx.FD_FILE_MUST_EXIST)
         dlg.SetWildcard("STL files (;*.stl;)")
@@ -120,7 +134,7 @@ class showstl(wx.Frame):
         
 class stlwin(wx.Frame):
     def __init__(self,size=(500,600)):
-        wx.Frame.__init__(self,None,size=size)
+        wx.Frame.__init__(self,None,title="Right-click to add a file",size=size)
         self.s=showstl(self,(500,600),(100,100))
         
 if __name__ == '__main__':
diff --git a/stltool.py b/stltool.py
index 6424b63..ab5a682 100644
--- a/stltool.py
+++ b/stltool.py
@@ -24,6 +24,22 @@ m=[
     [0,0,0,1]
 ]
 
+def emitstl(filename,facets=[],objname="stltool_export"):
+    if filename is None:
+        return
+    f=open(filename,"w")
+    f.write("solid "+objname+"\n")
+    for i in facets:
+        f.write("  facet normal "+" ".join(map(str,i[0]))+"\n   outer loop\n")
+        for j in i[1]:
+            f.write("    vertex "+" ".join(map(str,j))+"\n")
+        f.write("   endloop"+"\n")
+        f.write("  endfacet"+"\n")
+    f.write("endsolid "+objname+"\n")
+    f.close()
+        
+        
+
 class stl:
     def __init__(self, filename=None):
         self.facet=[[0,0,0],[[0,0,0],[0,0,0],[0,0,0]]]
@@ -112,7 +128,7 @@ class stl:
                 f.write("    vertex "+" ".join(map(str,j))+"\n")
             f.write("   endloop"+"\n")
             f.write("  endfacet"+"\n")
-        f.write("endsolid exported"+"\n")
+        f.write("endsolid "+self.name+"\n")
         f.flush()
         
     def parseline(self,l):
@@ -156,5 +172,5 @@ if __name__=="__main__" and 0:
                 break
         
         print i,len(working)
-                
+    emitstl("sphereout.stl",s.facets,"emitted_object")
 #stl("../prusamendel/stl/mendelplate.stl")