Airscale is pretty close to releasing their 1:32 scale Boulton Paul Defiant Mk1

Development continues for a 3D printed 1:32 scale Boulton Paul Defiant Mk.l as a potential release from Airscale

Airscale is trying out the feasibility of producing a 1:32 scale Boulton Paul Defiant Mk1

Metallic Details has released in 1:144 scale a 3D printed Boulton Paul Defiant Mk I

Crecy Publishing is releasing soon a new book Boulton Paul 1917-1961 Aircraft, Projects and Studies