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@@ -20,6 +20,7 @@ music, heart.](img/index/mosfet64rev2-600.png)
 ## Mosfet lore
 
 - [Mosfet: An Interview](./mosfet-an-interview.md)
+- [Mosfet Design Note](./mosfet-design-note.md)
 
 ## Literature
 
diff --git a/docs/furry/mosfet-design-note.md b/docs/furry/mosfet-design-note.md
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+# Mosfet Design Note
+
+2025-01-01
+
+It's been four months since I designed my first fursona Mosfet. The only
+textual documentation I have of him is the
+[interview](mosfet-an-interview.md), but it explains very little of his
+design choices. Therefore, I will do it in this blogpost.
+
+## Name
+
+Why is he named Mosfet? I took [EECS 311](../umich/w24_311.md), a course
+on analog electronics, where we spent the last few weeks studying MOSFETs.
+I like how they simplify calculations compared to BJTs, but they make
+worse amplifiers in general. Anyway, it sounds cool, so I yoinked the
+name.
+
+A retrofitted reason for the name is, as I randomly discovered in
+November, that "Mosfet" sounds a lot like "Misfit", an apt description for
+me and my fursona in general.
+
+To distinguish between the two in ambiguous contexts, my fursona is Mosfet
+(title case) and the transistor is MOSFET (all caps). It is acceptable to
+use all caps or lower case when the context is clear, for aesthetic
+purposes, or when a certain style is required (e.g. variable name).
+
+I found that most furry names are one or two syllables. Mine is two.
+
+## Pixel art
+
+The first piece of art I created of Mosfet is a 64×64 pixel art
+(upscaled).
+
+![Black-and-white pixel art of
+Mosfet](img/mosfet-design-note/mosfet64rev1-256.png)
+
+If each bit is a pixel, a 64×64 black-and-white bitmap could fit in 512
+bytes — the size of a boot sector, though I'm sure there's someone out
+there who did the same.
+
+Only one day later, I colored him and made a pfp.
+
+![Pixel art of Mosfet, now in
+color](img/mosfet-design-note/mosfet64rev2pfp-360.png)
+
+The stripes on his pants are inspired by the ZX Spectrum.
+
+![The ZX Spectrum, featuring a four-color rainbow on an otherwise black
+keyboard](img/mosfet-design-note/zx-spectrum.jpg)
+
+Credit: [Bill
+Bertram](https://commons.wikimedia.org/wiki/File:ZXSpectrum48k.jpg)
+
+## Refsheet
+
+I began drawing his refsheet on a club meeting, 2024-09-15. This is what
+I made that day:
+
+![Lineart of Mosfet, next to the pixel art pfp captioned "His ass grew
+up"](img/mosfet-design-note/mosfet-ref-rev0.1.png)
+
+He had, as a fellow furry pointed out, "boykisser-ahh vibes".
+
+The background is the schematics template in KiCad, my favorite EDA,
+though the art was actually done in Krita. Anyway, the point is that KiCad
+is the best.
+
+It took me precisely a month to finalize the design. On 2024-10-14, I made
+revision 1.0, then the next day I published rev 1.1.
+
+![Comparison between 1.0 and 1.1. 1.1 has blue-gray eyelashes, 1.0 does
+not](img/mosfet-design-note/ref-1.0-vs-1.1.png)
+
+▲ Rev 1.0 (left) and 1.1 (right)
+
+The challenge of being a black cat (midnight blue if y'all pedantic) is
+not systematic oppression — that is a byproduct of American imperialism
+— it is lineart being invisible. I added eyelashes to accentuate the
+outline of his eyes. It is now a mandatory feature. The blush strokes are
+required as well.
+
+A perk of having dark fur is that I hardly ever have to shade. It just
+ends up black. In high-quality artwork I imagine a form of reverse
+shading, i.e. patches of fur being lighter in color due to light
+reflection, like raytracing. But all the art I've made is of shitpost
+quality, so I'll leave the challenge for the artists I commission.
+
+Did I mention I love KiCad?
+
+## Colors
+
+His fur color is `#19202b`, the background color of my blog in dark mode.
+I chose that color in 2020, but forgot why. It has become my signature
+color of sorts, so why not reuse it for my sona?
+
+![How other furries design their sona: Furry with Bob Ross' hair painting
+their refsheet on canvas, holding a giant palette. How I design my sona:
+cat dumping black ink on self with the MSPaint bucket fill
+tool](img/mosfet-design-note/sona-design.png)
+
+▲ I almost forgot his tail for the 2147483647th time
+
+His eyebrows and eyelashes are a different shade of blue, `#556783`, which
+is just `#19202b` shifted up in value.
+
+His eye color — `#3535c0` and `#202080` — I forgot how I came up with
+these. It reminds me of the lyric "Hands in mine, into your icy blues" (My
+Chemical Romance, "Demolition Lover").
+
+The rest of the colors? Heavens knows where I picked them.
+
+I once bought a magenta shirt and tried to spray dye the logo. It bled
+a little but overall it's recognizable:
+
+![Me wearing a shirt with a generic MOSFET
+logo](img/mosfet-design-note/shirt.jpg)
+
+## Preferences
+
+In the interview article I mentioned what Mosfet likes and dislikes.
+They're mostly representative of myself.
+
+- Likes salmon: The deficit of fish in the UMich dining halls made me
+  crave fish
+- Likes heavy metal: It's not my #1 genre (probs #3) but I thought it'd be
+  funny if a seemingly innocuous kitten listens to SOAD
+- Likes cuddles: Self-explanatory
+- Dislikes sparkling water: Soda wannabe made of water, somehow worse than
+  both
+- Dislikes roller coasters: I actually don't _hate_ them, but my nose
+  bleeds every time I take one
+- Dislikes gym class: I hate being sweaty for no reason
+
+## Conclusion
+
+Meow.