Hi tomhank1511

Thanks for the reply, I started doing that but forgot to add the clearance and had to gently drill the holes wider for the locating pins, also to create the pin holes in my model as I was using Boolean operations to split my hull into printable sizes I found when I was trying to create pin holes in the parts that it would only remove the pin hole on the top surface which meant that the holes had no depth or faces, as I say not a great 3D modeller and I am using Blender.

The hull is almost complete I will add pictures when done.

Cheers

Druid