Solved Foam Board Type For FT-Viggen

[boxy]

Hi there,

I wanted to buy some foam board to make an Ft-Viggen, So I wanted the diameter for the foam board and can you guys please check is this foam type is right or wrong:

https://www.officeworks.com.au/shop...showResultsPage=true&searchSource=Q&pageView=

Thank you for your help.