The boyz are rilling up and are ready for an undercoat.

I have finished sculpting my two Nobs for the 20 Boyz squad. Equipped with parachutes, goggles, and combi-rockets.Here is the spell-checked and polished version of your sentence (keeping the Ork flavor intact):
Also, for Orktober I spent 40 hours designing and slicing my Ork helicopter to proxy as a Trukk. It's basically an old Imperial container cut open and attached to a Stormtalon cockpit and tail, combined with some Orkish technology.