Any way to add better shading patterns for this?

[lean plover]

https://cdn.discordapp.com/attachments/998368464693628999/1182537566952624238/unknown-297.png?ex=6621f16e&is=660f7c6e&hm=c1db346f3e8562feaff38618f6a846ede638cf2dac88cf69d8e7e0b472412287&

i basically tried to reverse engineer this style. The plane is way smaller than mine ( the wings are almost the size of the entire plane) so its difficult to consistently cover large flat areas with this psx style

here are the unedited textures to see the paterns more clear