If you have studied 2 dimensions with Corel Draw and Photoshop now time improving your skills by learning to draw 3-dimensional 3D with BLENDER accompanied Video tutorials.
Your images from Coreldraw or Photoshop later could be used as a material in a BLENDER so that the end result would look realistic (such as real or fact).
The video below will describe and explain to you how to draw 3D objects ranging from simple up to the stage of a difficult stage.
Please see the video one by one and practise. After successfully putting into practice then go see the other video.
So onward until you master the program Blender 3D.