Hello, I have read the description that you are looking for modern and creative collage poster for college project with dimensions 30cm x 90cm". Sure that can be done as per your requirements, please connect with me over the chat window to discuss further about the project.
Facilities you will get unlimited revision until your satisfaction, 24 TOT, Good communication, Final files in every format also the editable and the vector ones (JPEG, PNG, PDF, EPS, Ai, PSD). Eagerly waiting for your positive response :)
Regards
Shayan