I patched a hole in a door. I want to keep the Golden Oak finish on the door and don't want to paint the door another color. I have put putty on the door and sanded the door. The first picture below shows the sanded putty with the color that doesn't really match. So then I tried picture 2 (which is Minwax wood putty). The color is much better but then I realized that it is made NOT to harden and be sanded. I was thinking about hand-painting with a dark brown some fine lines to try to make it look like the wood grain but I can't even sand it and smooth it. Is there a way to make the Minwax Wood Putty harden or is there a better way to try to match the color and wood grain of the the door? Thank you for your help!