WJMeyer said:
The first step is to gather all necessary materials such as paper, pencils, erasers, and any other tools you may need. Then, start with a light sketch of the basic shapes and outlines before adding details.
Practice is key to improving your drawing skills. Set aside time each day to draw and experiment with different techniques. You can also take classes or watch tutorials to learn new skills and techniques.
When drawing from observation, it's important to compare the relative sizes and proportions of objects to one another. You can also use tools such as a grid or ruler to help with accuracy.
Shading can be achieved by varying the pressure and direction of your pencil strokes. Start with a light layer of shading and gradually build up to create depth and dimension. You can also use different types of pencils or blending tools for different effects.
Knowing when to stop is a personal decision, but a good rule of thumb is to step back and assess your drawing from a distance. If it looks complete and balanced, then it may be finished. You can always come back to it later and make adjustments if needed.