triwing baby blender

[Neosandy0]

Hello,
My brother wants to scratch build a triwing baby blender. Is there any tips I can give him on his build?

 

[Houndpup Rc]

Hello,
My brother wants to scratch build a triwing baby blender. Is there any tips I can give him on his build?

Sounds fun! I have never built that plane but I believe @Mr NCT and possibly @Mr Man have👍