良好的素描技能在任何设计过程中都是非常重要的。素描是一种加快发展思路过程的有效方式，它总是能比语言表达更多，再次你可以对概念有一个即时的理解。因此，无论你是产品或平面设计师，这里有30幅鼓舞人心的产品设计概念草图，希望能给你的设计带来灵感。

Pen sketches by takbeom Heogh
http://www.siweiw.com/upload/news/day_151114/201511140845578334.jpg

Matilda II by Serdar Soyal
http://www.siweiw.com/upload/news/day_151114/201511140847106457.jpg

AMATOYA by Liam Ferguson

http://www.siweiw.com/upload/news/day_151114/201511140847258516.jpg
Aircraft design by Daniel Simon

http://www.siweiw.com/upload/news/day_151114/201511140847373425.jpg
Sketchbook 2014 by Reid Schlegel

http://www.siweiw.com/upload/news/day_151114/201511140847552237.jpg
SKETCHBOOK by Paulin Giret

http://www.siweiw.com/upload/news/day_151114/201511140848153981.jpg
some car sketches by Orhan Okay
http://www.siweiw.com/upload/news/day_151114/201511140848298359.jpg

Breaking board – quick sketch by Du?an Ce?ek

http://www.siweiw.com/upload/news/day_151114/201511140848515335.jpg
Sketchbook by Baptiste Mathieu
http://www.siweiw.com/upload/news/day_151114/201511140849081631.jpg

SEKTCH by Njegos Lakic Tajsic

http://www.siweiw.com/upload/news/day_151114/201511140849196058.jpg
eletricroad by Pedro Guarinon
http://www.siweiw.com/upload/news/day_151114/201511140849365169.jpg

part 3 by Jonny Tran
http://www.siweiw.com/upload/news/day_151114/201511140849554646.jpg

MOTORCYCLE by Arnaud Biju-Duval
http://www.siweiw.com/upload/news/day_151114/201511140850135809.jpg

Sketch Unplug/ Product Design Sketch by Zion Hsieh

http://www.siweiw.com/upload/news/day_151114/201511140850238549.jpg
Doodle by Hoang M Nguyen
http://www.siweiw.com/upload/news/day_151114/201511140850411282.jpg

Sketches by Jalal Enayah
http://www.siweiw.com/upload/news/day_151114/201511140851019978.jpg

Bike sketches by jake barney

http://www.siweiw.com/upload/news/day_151114/201511140851239231.jpg
Table by Marc TRAN
http://www.siweiw.com/upload/news/day_151114/201511140851382644.jpg

Internship Sketch Book 2012 by Roshan Hakkim
http://www.siweiw.com/upload/news/day_151114/201511140851593242.jpg

Rescue boat by ANTON ROGOVSKIY
http://www.siweiw.com/upload/news/day_151114/20151114085220211.jpg

AK Genève by THIERRY FISCHER

http://www.siweiw.com/upload/news/day_151114/201511140852394139.jpg
Random Sketches by Multiple Owners
http://www.siweiw.com/upload/news/day_151114/20151114085256684.jpg

Etta, A Chair by Will Hinnefeld

http://www.siweiw.com/upload/news/day_151114/201511140853165169.jpg
Sketches & renders by Adityaraj dev

http://www.siweiw.com/upload/news/day_151114/201511140853312378.jpg
Snowboard goggles by Mike Serafin

http://www.siweiw.com/upload/news/day_151114/201511140853471265.jpg
Microsoft Arc Touch Mouse by Donn Koh
http://www.siweiw.com/upload/news/day_151114/201511140854031681.jpg

watch concept by Arnaud Biju-Duval
http://www.siweiw.com/upload/news/day_151114/201511140854208101.jpg

ID Sketch Book I by Nicholas Marks
http://www.siweiw.com/upload/news/day_151114/201511140854412993.jpg

Bolwell Nagari concept by Michael Gray

http://www.siweiw.com/upload/news/day_151114/201511140854589156.jpg
Studio Backpack by Ben Adams-Keane

http://www.siweiw.com/upload/news/day_151114/201511140855153475.jpg

来源：siweiw