Interlocking Place Card Letters (75% Scale)

###What's Different

This thing is the same as [Interlocking Place Card Letters](https://www.thingiverse.com/thing:2646496) except that the letters are only 75% as large. It's not just a scaling -- the interlock tolerances had to be re-jiggered.

I scaled down mainly so that I could get more letters in a single print job.

### Summary from [Interlocking Place Card Letters](https://www.thingiverse.com/thing:2646496)


The idea here was to be able to make place cards on the spur of the