Furniture designing and quick renderings are vital part in product designing. How you sketch and present your drawing will create a great impact during your presentations, and often one will be judged based on that. I this tutorial there are four steps involved in presenting each design. This is a broad way of classifying the steps involved. First and foremost thing is to extract or lay the basic vp lines and reference lines that would guide us through the whole process. Then formulate the sketch based on that. Your sketch has to perceptively correct to communicate the same kind of volume of an object that you want to convey. In the end you need some unique background depicting technique that can act as your signature. It will also help in giving more clarity to the sketch, as in were the transparency and perforations are there, etc. Hope this will help you in deciding upon a technique and present your sketches, more effectively.