Space Vehicle - Sci-FI concept, only need 2D handsketch design

Hi. I need 6 different design for a space sci-fi vehicle concept. More brief and the basic concept on how I would like it to be will be discussed with potential freelancer. I only need 2D handsketch from multiple angle for each design, for me to do the 3D modeling of the vehicle. Each design must be significantly different from the other, but share the same overall concept. The sketch must show a good amount of detail so that I can use it to do the 3D modeling I uploaded samples of the kind of sketches that I'm looking for, from google. I only need 1 colored sketch for each design, the rest of the sketches showing parts and other angles can be black and white. Please input sci-fi in the beginning of your proposal. Good luck!