Creating a humanoid Mech seems like a more feasible option for the Assignment.

Below is an illustration of lineart/final piece of concept which has allowed me to develop two  main characters I can now  focus on . Which one I will use for my final piece  I am still unsure of  currently.

Line Art used in Photoshop

Variant colors

Final image

Here are the two finalists for my assignment. I have named them to give them a little personality

Wasp

Fudge

I will now set out body layouts  and plan on how i can make  these 3D.