1. Draw cast shadow with multiple sources of lights
Cast shadow with 2 projectors
Cast shadow with a closer projector to the volume.
Try to draw a few and test a minimum of 5 different sources of light. Take a pen and let me know how it goes in the comments below!
Note: Try to draw Cast shadows without using any ruler to trace the straight lines. It’s a good habit to take from the start. If needed, you can click here to get a tutorial on how to draw straight lines without a ruler.
2. Cast shadow with front source light
The blue light comes from the front of the cylinder.
3. Cast shadow with back source light
The green light comes from the front of the cylinder.
4. Draw infinite possibilities of source lights
Feel free to resize the cylinder with rails to explore an infinity of possibilities for light sources.
The purple light comes from behindTry multiple sources of lights
At a coffee shop in Vietnam, we create a new character design on drawing a girl from an Asian tribe, blending historical fashion with modern creativity! …
Today I would like to share with you the method that is the most precious to me. Some people may say I should keep it SECRET– and keep it as my own style. But to me, this might change and greatly improve the way you sketch, as how it did …
Make your sketches professional and dynamic—no perfection required! Learn how to draw realistic grooves using easy techniques that add depth and detail to your work …
In a previous post, we saw how to draw a reflection on flat and transparent surfaces. Now, we draw a transparent object: The cap of a Bic Cristal pen.The degree of difficulty is a bit higher but still achievable by beginners. Let’s study a transparent BIC ballpoint pen Cristal cap …
your cylinder does my head in,I thought the light source had to be shown at a right angle to the floor but that just looks like you have drawn the light on the rail at the top, but at the front of the cylinder and then connected it to the floor at the back. :)
Hello! I'm Chou-Tac, 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 dream goal as a student or professional designer.
Leave a comment in the blog or send me an email at choutac@thedesignsketchbook.com : )
![How to Draw Realistic Products with "GROOVES" [Beginners]](https://www.thedesignsketchbook.com/wp-content/uploads/2025/04/How-to-Draw-Realistic-Grooves-in-Product-Design-Sketches-Step-by-Step-for-Beginners-Cover-1000.jpg)
your cylinder does my head in,I thought the light source had to be shown at a right angle to the floor but that just looks like you have drawn the light on the rail at the top, but at the front of the cylinder and then connected it to the floor at the back. :)
i’ve never seen someone teach shadows easier than this :D … thanks alot for sharing this with us ^_^
Ahah, when I created this “technique of projector rails”, I also wished people taught me like that too lol.