How to make a diy battery box

1

Hello
I want to make a diy battery box, what do people use to make the mould/plug, want to make a nice smooth surface one

Going to make a fiberglass one i know how to use fiberglass just dont know how to make the mould

Thanks

2

MDF and wax for prototypes.

3 Likes
3

xps foam and a Sander