Here you will see how to fill holes in fiberglass, using fiberglass. If you follow the steps, it’s not hard to do. If you have any questions, leave a comment. Please subscribe! I strive to upload useful content, any ideas appreciated!
The Baxter orbital sander was $99 at Harbor Freight

Here are a few links to Amazon where you can buy the products I used, or you can find them at an auto body splay store.

Plastic Mixong board Link

https://www.amazon.com/3MDynatron36...

Finishing putty Evercoat Ever Gold link:

https://www.amazon.com/dp/B00H2WU3AQ/...

Kitty Hair by Evercoat link:

https://www.amazon.com/dp/B000Q8ICHY/...