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These charts are in scale with the previous twelve Zodiac symbols.
I'm designing myself a Homestuck afghan; in the process of doing so, I decided to chart a bunch of the images. Then I looked at how big the original charts were, and decided to do a smaller version as well. These are all 30 sts by 36 rows, created for a 4" x 4" gauge of worsted weight yarn knit to 20 sts by 24 rows on #9s, meaning the final chart should be 6" by 6".
A 10"x10" version is located here.
And, guys, I'm on tumblr, so please reblog, don't repost.
The majority of the images used to create the charts came from the Homestuck Wiki; the rest came from Homestuck Resources.