为什么正四面体顶点在底面的投影在底面三角形的中心�? 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 theseLunch, Lipstick, Starfish, Princess, Treasure map, Crows, Pony, Seashells, Yeast, Baker, 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?

James Forest
sketch #3014 Fancy "S "


anonymous
anonymous
sketch #4582 Pikachu by Mariana Sanchez Acevedo


anonymous
anonymous
sketch #5125


anonymous
anonymous
sketch #1669


anonymous
anonymous
sketch #5224


anonymous
anonymous
sketch #5117


anonymous
anonymous
sketch #1833 Head shot - abz


anonymous
anonymous
sketch #5368


anonymous
anonymous
sketch #3222 Late happy valentine&#;s from Tiffa Hidalgo Jordan Coquet


anonymous
anonymous
sketch #2992 Dragon by Iky Sahendra Putra


Marlyn Ortiz
sketch #2029 GOD 'S PROMISE ...


John Davis
sketch #2784


anonymous
anonymous
sketch #4232 Tobirama by Kadi Kader


anonymous
anonymous
sketch #5287


anonymous
anonymous
sketch #20215 Desert


anonymous
anonymous
sketch #2453 Koi Fish


anonymous
anonymous
sketch #5440


anonymous
anonymous
sketch #5223 Elsa from Frozen by Ben De Jesus


anonymous
anonymous
sketch #5323 Cem Adrian by Glynis June Williams


anonymous
anonymous
sketch #20344


anonymous
anonymous
sketch #2987


anonymous
anonymous
sketch #5436


anonymous
anonymous
sketch #3670 Bugs Bunny by Jessica Column


anonymous
anonymous
sketch #5182 Inuyasha by Sepp Herberger


anonymous
anonymous
sketch #3321 Baby Mirella Flowers


anonymous
anonymous
sketch #5218 Marshall Lee Dj-ionut Manelomania


anonymous
anonymous
sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma


anonymous
anonymous
sketch #1927


anonymous
anonymous
sketch #2552

tomski为什么正四面体顶点在底面的投影在底面三角形的中心�? 知乎 coloring