Wallpaper : 無料・フリー素材/写真
Wallpaper / jonolist
| ライセンス | クリエイティブ・コモンズ 表示-継承 2.1 |
|---|---|
| 説明 | hyperbolic parabola constructed by sweeping a straight line off its vertical axis with two rails. The two rails being ellipses with different axis. This creates a doubly curved surface entirely out of straight linesResearch work makes for cool wallpapers. |
| 撮影日 | 2009-08-26 02:42:58 |
| 撮影者 | jonolist , Singapore, xinjiapore |
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