- fixed the preprocessors with 'laser' in the name to use the spindle direction set in the Preferences

- increased the upper limit for feedrates by an order of magnitude

preprocessors/default.py

@@ -117,11 +117,11 @@ M6
 M0
 G00 Z{z_toolchange}
 """.format(x_toolchange=self.coordinate_format % (p.coords_decimals, x_toolchange),
-             y_toolchange=self.coordinate_format % (p.coords_decimals, y_toolchange),
-             z_toolchange=self.coordinate_format % (p.coords_decimals, z_toolchange),
-             tool=int(p.tool),
-             t_drills=no_drills,
-             toolC=toolC_formatted)
+           y_toolchange=self.coordinate_format % (p.coords_decimals, y_toolchange),
+           z_toolchange=self.coordinate_format % (p.coords_decimals, z_toolchange),
+           tool=int(p.tool),
+           t_drills=no_drills,
+           toolC=toolC_formatted)
             else:
                 gcode = """
 M5       

preprocessors/grbl_laser.py

@@ -54,10 +54,11 @@ class grbl_laser(FlatCAMPostProc):
         return 'M05 S0'
 
     def down_code(self, p):
+        sdir = {'CW': 'M03', 'CCW': 'M04'}[p.spindledir]
         if p.spindlespeed:
-            return 'M03 S%d' % p.spindlespeed
+            return '%s S%s' % (sdir, str(p.spindlespeed))
         else:
-            return 'M03'
+            return sdir
 
     def toolchange_code(self, p):
         return ''