[racket] Rendering the PLT symbol in Racket?

This is what's achievable based on the simpler design with www.youpatch.com
right now (shown at medium resolution). As you can see, this kind of image
leads to heaps of "stair-casing".


I think it would be much nicer to smooth out the jaggies. I'm experimenting
with adding a facility to do this with some post-processing. This leads to
the following effect:



It will take me a little while to incorporate this into the PDF
instructional output (I'll estimate order of weeks, depending on my other
activities) .

So, what do *you* think of the difference in aesthetic quality? For those
who are keen to have their very own PLT quilt, is this improvement worth
the additional wait?

Dan
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