How to get your sketches convince your audience

A designer needs to be good at visual communication in order to defend his ideas and convince his audience.  Best presentation boards are the one which doesn’t needs the presence of anyone to give explanation.

We want to be efficient, attracting and giving a path to people’s eyes on your presentation boards.* The technique that follows is commonly used by product and transport designers. They love giving variation of the weight of the lines to pop out there best ideas and sketch from the board.

With these simple steps, yours will instantaneously look more professional.

*It’s similar to how a graphic designer would think and prepare a packaging visuals, thinking on which information the customer needs to see first.

Weight-line1Weight-line-resultBEFORE > AFTER


Whether on your research or presentation boards, use this technique on your best sketches and ideas.  “Make them pop out like a black sheep among a troop of white one.”


  • Get ready to draw with a light pen pressure
  • Draw a cube in perspective

  • Weight-line1

  • Keep the same pen pressure
  • Detail the cube by creating negative space

  • Weight-line3

  • Define a source of light – usually at top left.
  • Retrace the lines of the volume with slightly heavier lines.
  • Bold the lines opposite to the source of light – only the lines which are at the edge of a single surface.

  • Weight-line2

    • Add a quick and simple background with hatching

    That’s all !

    If this simple tutorial was helpful, or if you need additional information, just drop a comment!
    I am interested by your thoughts.

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    About The Author


    Hello ! My name is Chou-Tac. I am a product designer from France. If the sketching methods I’ve acquired aid me in my life and in my industrial design career, I believe that they can also help you reach your design goal as a student or professional. My aim to help you all along with your design projects and journey. Anytime, feel free to leave a comment in the blog or send me an email at [email protected] : )

    1 Comment

    • Kurigoku

      Reply Reply October 4, 2015

      Yea great tutorial, I didn’t know much of this stuff and it’s the little things that help out.

      It’s interesting to know the techniques used to make designs stand out and how to present them which I find important.

      I recently finished an ME degree but this is what I really want to do!

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