Is this an important pattern that you use often?
If so to repair it then a 2 part epoxie is great to fill problem areas. There are many kinds on the market...I like the ones with a fairly quick drying time.
Next something to think about is: I would make your design pattern and use it as the master pattern. This pattern is used only to make your production patterns. If the production pattern gets damaged, make another pattern from the master pattern. This is easier than trying to patch your patterns once they have been damaged.
If so to repair it then a 2 part epoxie is great to fill problem areas. There are many kinds on the market...I like the ones with a fairly quick drying time.
Next something to think about is: I would make your design pattern and use it as the master pattern. This pattern is used only to make your production patterns. If the production pattern gets damaged, make another pattern from the master pattern. This is easier than trying to patch your patterns once they have been damaged.