Look for didactic materials and approaches used by the French Academic painters of the nineteenth century. A good book about the sight-size technique of drawing and painting should be a useful toolset for someone engineering-minded. There are books published within the last 20 years on this approach, and there are thousands of living competent practitioners in the real world.
There are methods of examining and translating our physiological visual experience into an abstraction we call a "drawing" that were developed over hundreds of years. They are very good methods. Don't be intimidated by their age or some imagined importance of an old approach. Anyone can learn to draw given the correct system of reasoning and evaluation.
All that said, don't waste time on anything you do not think is beautiful or inspiring.
Finally, nude figure classes are a great challenge and motivator.
There are methods of examining and translating our physiological visual experience into an abstraction we call a "drawing" that were developed over hundreds of years. They are very good methods. Don't be intimidated by their age or some imagined importance of an old approach. Anyone can learn to draw given the correct system of reasoning and evaluation.
All that said, don't waste time on anything you do not think is beautiful or inspiring.
Finally, nude figure classes are a great challenge and motivator.