20100911





when i was little before the computer era ,
i used to draw mathematical curve line
with this toys looking ruler.
it was fun and amazing !
recently i am crush on it once again !

大家小時候有用過這種尺嗎?
利用小齒輪上的不同洞
就能畫出像電腦畫的運算線條
好神奇喔!


5 comments:

Shannon Fricke said...

I remember this! I loved it. It was called Spyrograph.

yihsin said...

it is really a fun tool !

Bonjour Johanna said...

Whaou I spent so much hours as a child playing with the "Spirographe" (I don't know the english name for it)

張詩婕 Shi-Jye Chang said...

這個在哪買呀,比我小時候玩的花樣更多耶 !

Anonymous said...

Wow! I love the ones in the middle. How did you make those?