If you're short on time or just want to create a quick sketch of a turtle, here are some minimalistic approaches that you can try:

• Draw a silhouette: Instead of drawing the details of the turtle, draw just the outline of the body and shell. This can create a striking and simple image.
• Use cross-hatching: Cross-hatching is a shading technique that involves drawing intersecting lines to create texture and depth. ...
• Draw a turtle face: Instead of drawing the entire turtle, focus on drawing just the head and face. ...