- reverted change in tool dia being able to take only positive values in Gerber Object UI

README.md

@@ -13,6 +13,7 @@ CAD program, and create G-Code for Isolation routing.
 
 - fixed a small bug in BETA status change
 - updated the About FlatCAM window
+- reverted change in tool dia being able to take only positive values in Gerber Object UI
 
 18.10.2019
 

flatcamGUI/ObjectUI.py

@@ -342,7 +342,7 @@ class GerberObjectUI(ObjectUI):
         )
         tdlabel.setMinimumWidth(90)
         self.iso_tool_dia_entry = FCDoubleSpinner()
-        self.iso_tool_dia_entry.set_range(0, 9999.9999)
+        self.iso_tool_dia_entry.set_range(-9999.9999, 9999.9999)
         self.iso_tool_dia_entry.set_precision(self.decimals)
         self.iso_tool_dia_entry.setSingleStep(0.1)