Why My Sketches Look Like Child Drawings: The 3 Line Weights
1377 次观看 · 2026-10-08
工业设计
I'm Chou-Tac, I'm a Product Designer from France.
To get started in design sketching with confidence, I created the Designer Starter Kit for you to download: https://www.thedesignsketchbook.com/sign-up-and-receive-the-ebook-the-designer-starter-kit/
Read the full step by step guide with daily drills and FAQ:
https://www.thedesignsketchbook.com/why-sketches-look-childish-3-line-weight/
Where to place your bold lines (sun rule + ghost drawing):
https://www.thedesignsketchbook.com/how-to-draw-line-weight-industrial-design-sketching/
Why you should start drawing light:
https://www.thedesignsketchbook.com/how-to-draw-with-bold-lines/
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Why do your sketches look flat? Learn the 3 line weights in industrial design sketching: construction, form and highlight lines, with a live pen demo for beginners.
In this tutorial I show you how to use pen pressure to build volume in product sketches. You only need a sheet of paper and a ballpoint pen.
Read the full step by step guide with daily drills and FAQ: [BLOG LINK]
Download the Designer Starter Kit (how to hold your pen, draw with confidence, first steps in perspective): [STARTER KIT LINK]
Watch the Kite Box tutorial: [KITE BOX LINK]
IN THIS VIDEO
0:00 What are the 3 line weights?
0:11 Construction, form and highlight lines
1:50 The monoline mistake beginners make
2:23 Build the form first with construction lines
3:22 Bold the form and add contour lines
4:18 Perspective lines and vanishing points
5:00 One pen or two: how to get bolder lines
6:06 Hidden lines in a transparent box
7:14 Light source: bolder lines on the shadow side
8:12 Always think variation of line weight
9:01 Full demo: all stages in action
11:55 Recap: the loop of the three line weights
12:41 Contour lines as guides for details
13:25 Hatching and the finger stop trick
14:16 Wrap up and Designer Starter Kit
----
BLOG: https://www.thedesignsketchbook.com
FACEBOOK: http://www.facebook.com/thedesignsketchbook
INSTAGRAM: http://www.instagram.com/thedesignsketchbook
To get started in design sketching with confidence, I created the Designer Starter Kit for you to download: https://www.thedesignsketchbook.com/sign-up-and-receive-the-ebook-the-designer-starter-kit/
Read the full step by step guide with daily drills and FAQ:
https://www.thedesignsketchbook.com/why-sketches-look-childish-3-line-weight/
Where to place your bold lines (sun rule + ghost drawing):
https://www.thedesignsketchbook.com/how-to-draw-line-weight-industrial-design-sketching/
Why you should start drawing light:
https://www.thedesignsketchbook.com/how-to-draw-with-bold-lines/
----
Why do your sketches look flat? Learn the 3 line weights in industrial design sketching: construction, form and highlight lines, with a live pen demo for beginners.
In this tutorial I show you how to use pen pressure to build volume in product sketches. You only need a sheet of paper and a ballpoint pen.
Read the full step by step guide with daily drills and FAQ: [BLOG LINK]
Download the Designer Starter Kit (how to hold your pen, draw with confidence, first steps in perspective): [STARTER KIT LINK]
Watch the Kite Box tutorial: [KITE BOX LINK]
IN THIS VIDEO
0:00 What are the 3 line weights?
0:11 Construction, form and highlight lines
1:50 The monoline mistake beginners make
2:23 Build the form first with construction lines
3:22 Bold the form and add contour lines
4:18 Perspective lines and vanishing points
5:00 One pen or two: how to get bolder lines
6:06 Hidden lines in a transparent box
7:14 Light source: bolder lines on the shadow side
8:12 Always think variation of line weight
9:01 Full demo: all stages in action
11:55 Recap: the loop of the three line weights
12:41 Contour lines as guides for details
13:25 Hatching and the finger stop trick
14:16 Wrap up and Designer Starter Kit
----
BLOG: https://www.thedesignsketchbook.com
FACEBOOK: http://www.facebook.com/thedesignsketchbook
INSTAGRAM: http://www.instagram.com/thedesignsketchbook