DN Models have released three mask sets for the Horten Ho 229 in 1/32nd scale.

Takom is planning to release the single seat and twin seat versions of the Horten Ho 229 both in 1:32 scale

MikroMir has posted on their Facebook page images CAD designs for the 1:72 scale Horten H IX V1 that will be released by AMP

Horten Flying wing from Zoukei-Mura in 1/72 & 1/144 Dual Combo review. It can hardly get any better than that if you are a fan of those scales.