为什么a4纸的长宽比是√2,而不是21�?因为例用了数学,创造了完美的造纸系统 知乎 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: zhihu.com






Try and sketch some of theseBeaver, Canopy, Queen, Gravy, Nook, Sad girl, Cash register, Beets, Tailor, Peas, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

anonymous
anonymous
sketch #5440


anonymous
anonymous
sketch #4221 Moi.


愛君
sketch #1964 愛鼠繪


anonymous
anonymous
sketch #4589


anonymous
anonymous
sketch #4904


anonymous
anonymous
sketch #4834 Aayla Secura by Nînâ Yämâhä


anonymous
anonymous
sketch #5115


anonymous
anonymous
sketch #4191


anonymous
anonymous
sketch #2982 Lion by Ati Gohary


anonymous
anonymous
sketch #3365 Igor by Johan Kennet Espinoza Moreno


Lucy Barnard
sketch #245 Fishy


anonymous
anonymous
sketch #1451 mi6softlab vibra


anonymous
anonymous
sketch #3378


anonymous
anonymous
sketch #895


anonymous
anonymous
sketch #3217


anonymous
anonymous
sketch #3264 Lisa by Shaban Khan


anonymous
anonymous
sketch #3268 Werewolf by Mert Arda Yiğit


anonymous
anonymous
sketch #5018 Owl by Komlós László


Jorge Valero
sketch #2664


anonymous
anonymous
sketch #2910 Harley Quinn Germaine Hoens


anonymous
anonymous
sketch #4549


sketchmaster
sketch #2636 Robitina by sketchmaster


anonymous
anonymous
sketch #5226


anonymous
anonymous
sketch #5130 Batman by Kamal Ahmed Tantawy


anonymous
anonymous
sketch #4896


anonymous
anonymous
sketch #4298


anonymous
anonymous
sketch #1446


anonymous
anonymous
sketch #3058 Marilyn Monroe by Adam Pyszny


anonymous
anonymous
sketch #578 Butterflies

tomski为什么a4纸的长宽比是√2,而不是21�?因为例用了数学,创造了完美的造纸系统 知乎 coloring