the-absolute-best-posts:

miguelofthedark:

Giha Woo designed a pen attachment that can help you draw straight lines. Called the “Constrained Ball”, this attachment can be easily attached on any pen and can help you draw straight lines, horizontally or vertically.

Submitted by turtleslovehinnie

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Source: design-o-clock
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    WANT! I will not rest until I have one. I’m a mechanical pencil freak anyway, and this is like the nifty attachment that...
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    pardon me while I nerd out over this
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