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phantom-inker — Drider Anatomy Tips
#anatomy #arachne #drider #monstergirl #spider #tutorial
Published: 2017-08-17 04:25:22 +0000 UTC; Views: 58461; Favourites: 338; Downloads: 0
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Description
Driders are weird creatures, but this tutorial may help a bit with drawing them. Strangely, it doesn't appear anyone's done a drider tutorial before, so here's my tutorial, starring Patricia June, my occasionally-drawn drider girl.If any information is flat-out wrong or needs minor correction or something useful is missing, please let me know.
And, last, but not least: Driders don't exist. Don't argue the finer details here. These are my best thoughts on how they might be designed, and some indication of how I draw them, but you'll notice that at one point I say point-blank that drider anatomy works by magic. Biology just doesn't allow them to reasonably function, and since they don't exist, this is all speculative, but it's still my best attempt at speculating as rationally as possible.
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Thnk you so much for this tutorial, really helpful for my drawings and fanfics 
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This really helped bc im like "yo where do the legs go" until i saw this im like "this is good and helpful!"
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I'm glad you found it good and helpful! And now that you know where the legs go, use that knowledge to go draw lots of cute spider girls!
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Yes driders are adorable OwO
Mine that im making is like a peacock spider!
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This tutorial is informative, succinct, and charming. It's great!
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Glad you liked it!
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Mind explaining why book lungs don't make sense for an Arachne to have?
Rachnera from Monster Musume claims to have them though Miia pointed out that she should be able to breath through her mouth/nose since she presumably has vocal cords. She may have just been making an excuse to not bathe with the others since the omake was vague about whether she actually did or not as she didn't seem to have any trouble breathing when Miia pulled her off of the wall she was on.
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Book lungs don't scale.
The largest insects known are about 4-6" (16cm) long, but aren't especially dense, at only 3.5 oz (100g). The largest spiders known top out at about 12" (30cm). A limiting factor in all their growth is likely the ability of book lungs to oxygenate their blood: While book lungs are highly efficient at small sizes, they're dependent on natural airflow as the animal moves, just like with gills — rather than dependent on a diaphragm — and that design doesn't scale very well in a gas environment. (It scales better in liquid due to the increased density of the environment.) Book lungs have great surface area, and using a squared-cubed comparison they may even have higher relative surface area than vertebrate lungs, but the dependency on passive airflow rather than explicit, enforced, active airflow is a deal-breaker for blood oxygenation: The vertebrate model of a self-inflating balloon can get oxygen quickly into the bloodstream (and more carbon dioxide out of the bloodstream) no matter the size it's implemented at, and therefore the creatures it supports can have greater energy requirements, and resulting greater sizes.
So if you want driders that are limited to 6 inches long, sure, go with book lungs. (Or if your creatures are powered by magic and oxygen doesn't matter, then sure, go with book lungs.) Otherwise, you'll need a far more effective method to oxygenate the mitochondria at larger scales, because passive airflow isn't good enough.
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Ah so Rachnera wouldn't have book lungs, at least not by themselves. That article you posted on your tumblr mentioned centaurs having two sets of heart and lungs would that work any better?
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Human lungs wouldn't be sufficient to oxygenate a creature of 500-1,000 pounds (250-500kg) or more. Horse lungs actually would be, but they're located far from the nose, and not only is a human trachea insufficient to carry all that air, the human nose is really insufficient to pass it: Compare nostril sizes on a human and a horse. But with sufficient pressure, you could conceivably pass enough air, so the issue is really having enough pressure to get enough air through that tiny nose and down that long trachea and into the lungs. So my centaurs have both sets of lungs, because otherwise there's simply not enough force to move the air. I see the upper set as mostly just there to help move the air, to help push it down to the lower ("primary") lungs, not to directly oxygenate the blood (although they could be partially responsible for that, since it would be critical for the brain to always have a sufficient oxygen supply, and the equine heart is too far away).
Centaurs are at best impractical, but possible creatures: A human torso is comparable in size and mass to a horse's head, so it's actually within the realm of biological possibility for a centaur to exist and not be instantly dead.
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Thank you.
Faved for reference.
Keeping this in mind as I try to create a 3D Drider body for (probably) Aiko3/BelBel, when I can...
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absolutely enlightening, thank you, for all that great info, that i can put in my comic. lol
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Thanks. I did a redesign of my Drider Princess character based on your suggestions:
Mature Content
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splendid; very enjoyable to read.
now...to try my hand at it.
could the book lungs have migrated up to the chest?
(that'd fool someone clicking on a thumbnail)
...or to the face...less of a nose, more of a line?
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"Driders don't exist."
Stop trying to crush my hopes and dreams! They live in my heart with the force.
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one thing i always wondered is why most of the hybrids are women(especially merfolk)... i mean i can be wrong here... but i have a theory for that:
the enviroment that some of the hybrids live can be quite harsh, and we all know that reproduction wise, male sperm tend to die quicker than female one (24hM to 48hF), so because of that, i think that it is more common to women to born naturally as a hybrid than men...
also... and this may apply to merfolk only... or not...: the reason why a lot of people say that they go specifically for men and they hypnotize them is NOT to kill them... i have a more romantic explaination: because there are a shortage of naturally bron males, the females tend to look for humans and transform them so they reproduce with them... and because generally merfolk live some hunderds of meters underwater and don't need to go to surface to breathe often, people seem to think the men that go with mermaids never come back and die,drowned. but this would make zero sense in my opnion... why kill someone that can perpetuate the species?!
so... my theory is this: a Mermaid can go looking for a human to mate... so they go to surface... because of the energy required to swim and survive underwater,most of them tend to be skinny and slender... beautifull to human standards... and when they find their perfect match, their pherormones are kinda more stronger than human ones, that is why there is the "hypnosis" thingy goin' on... they bring their mates and almost imediatelly transform them into mermen,so they don't die... but of course in the transformation they take their clothes off so to not dificult it and avoid defects and all that jazz... because they tend to be very beautifull, the now merman tends to stick with the mermaid making a family. also,someone can come and say:what about the histories of mermaids atacking on group:i would say that they would be desperate actually in these kinds of situation, and that they would be a little more older and trying to find anything that they can mate,so they group up and go for a "party", if you know what i mean.
another thing that i think is: no matter the type of merman or mermaid, once transformed only headhair stays on their body(for beauty reasons),because other type of "fur" would make swiming consume more energy, and because swiming is a heavy energy consuming activity,even for a fish,the most they can save on energy without losing on beauty,the better... that would explain why most mermen don't have beard even tho it is quite dificult to shave underwater or that some species of merfolk have animal apendages simulating hair for example.
i think this theory can apply for other species,and explains too, why most of the time, men that goes for a hybrid women never appears to other humans again: generally the place they tend to form homes and live is quite isolated, and far from human presence... that's why people tend to think they died or were devoured by the hybrid (wich again would make no sense whatsoever.. why kill something that can reproduce and perpetuate the species?).
also another explaination to why most of merfolk uses little to no clothes whatsoever: fungus,bacteria and other stuff tend to form on the skin when things go humid and dark for a long time. so to avoid illnesses (especially in the breast and genital areas...) they tend to not use anything for most of the time... i mean... yes,they can use neoprene or colthes... but for a short period of time... so they tend to not use anything because they wouldn't be able to use it for long periods of time anyway).
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I think Patricia discovered more about herself then she realized.
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So, I'm a bio-nerd and brainstorming fantasy-creature anatomy can be a lot of fun. I like the amount of research you put into this. Hybrid creatures always hook me more when there's actual biology mixed in (I'm fond of mermaids with venomous spines, myself
I have to admit with driders in general, people seem to mostly just do like... a generic sort of spider, or they do a black widow. It'd be nice to see more variety in spider species used as a base. Some petite shorty of a woman who's part jumping spider, or maybe even someone who's part diving bell spider and is super into aquatic stuff. It'd be cool to see more diverse arthropod-people in general. I bet mantis shrimp hybrids would be pretty badass. The real thing sure is.
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Some of this research is just stuff I've known for years because I've been drawing driders for so long. A little of it's new, but most of it is just writing down stuff I've either known or assumed for a very long time. I like my creatures based on some kind of biology too, because it adds veracity -- it adds believability -- to the art.
I almost did another section on drider breeds, but I ran out of energy after doing alk the rest of this, and that topic doesn't interest me as much as getting basic art designs down anyway. Someone else is quite welcome to pick up where I left off, though. For my own driders, they're mostly similar shapes and just vary by color; I don't really get into species variants much.
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Sir, you just helped me design my own Drider.
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It is a thing of the most fascinating thing hsitorias fantasies haser world cribles magical weight rope. I agree when the mythical-magic magica biological explanation to enjoy.
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One common thing I've seen on sexy Drider art is that for reproduction they include the human girl bits where they normaly would be (some even have both human and spider bits cus why not) And they came up with the reasoning that they use the pedipalps to hug/hold their mates (particularly if their human) in place when they do it. I can't believe I know so much about this kind of thing...what is my life?
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That's a common feature on a lot of mediocre monstergirl art. I call it "the notch".
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First it's the centaurs, now the driders, for the tutorials. This is very interesting!
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hmmm, maybe if I had interest in drawing one :3
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