Using an i-phone as a tool to measure grades

[nolatron]

So, is it cheaper (provided you already own the iPhone) to build that, or to buy the tool from Micromark?

What? There's a tool?!!!?

My guess is much cheaper. I bought the styrene too long ago to remember what I paid for it, but I'd be surprised if I had more than $1.50 in it.

Matt

Here's what I found on MicroMark for $6.49

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Great use of the iphone and application.