Anatomy of the Pelvis
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Anatomy of the Human Body

Torso(163 Lessons)
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Pelvis

Anatomy of the Pelvis

1M
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Anatomy of the Pelvis

1M
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Assignment

Use a simple representation of the pelvis as a bucket. In the next lesson, I’ll show you how to break it down further to construct the minor forms of the pelvis. In the meantime, fill a page with buckets from various angles. Premium Anatomy students, you can login to your account and use the 3D model of the bucket and pelvis as reference. Spin it around and draw the bucket! If you’d like to sign up for the Premium Anatomy Course, go to proko.com/anatomy

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Newest
@kotka
A hard but quite fun exercise! First I failed but then found a formula that worked best for me: 1) Establishing vanishing point lines 2) Drawing the ovals within 3) "Cutting" off the part that is not necessary.
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Samuel Sanjaya
re-visit the pelvis construction again. Bucket shapes is still hard for my head to get it. especially on a certain angle. It's the way it tapers and squish that makes it confusing to draw in angles for me. I hope i can get some feedbacks on this. For now I'm probably gonna stuck with boxes for a while
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John Kavvadas
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John Kavvadas
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@gsvidyaa
Really nice!!
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Liandro
I truly can’t work like that in a sketchbook - these are beautifully rendered drawings!
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Samuel Sanjaya
My page of buckets. I find it hard to differentiate between this and cylinder when drawing. And sometimes subconciously draw a cylinder instead of bucket. Any feedbacks will be greatly appreciated.
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Liandro
Hey, @Samuel Sanjaya, good job spending some time with these bucket sketches! I’m attaching a couple of drawings which might help you get a better understanding of the differences between the regular cylinder and the pelvis bucket. One does derive from the other, so there’s not much difference besides the tapering and the squish (which is what makes it more challenging in perspective, as Stan explains in detail in the lesson). I think it’s important to have in mind that the bucket helps a lot in constructing realistic anatomy. But a simple cylinder with a bit of tapering and without the squishing, even though not so anatomically accurate, could already get you around with placing the general forms and even with designing stylized, non-realistic characters. Hope this helps!
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Eveline Rupenko
Hi everyone! Here are my bucket studies!
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Hannah Lim
Oh wow! These look great! Awesome job.
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@decentworking
Good lord these are beautifully drafted. What resources have you found helpful to improve your perspective skills to get this level of accuracy? I’m am starting drawabox soon, as recommended on the Draftsmen podcast, but always looking for more options. Keep up the great work (and maybe someone with more skill than me can find some actual critiques…)
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@dinchen
Finally finished the assignment! I think the perspective of the bucket and the structure of simplified pelvis in the bucket is the two most difficult parts for me.
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Ezra
5mo
Buckets! I found it hard to tell whether i was making ellipse buckets or circular buckets, especially in the different perspectives.
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Jesper Axelsson
Hi @Ezra, nice studies! Yes it's tricky! As a first check, ask yourself if the minor axis of the ellipse is alligned with the major axis of the bucket. If it is, you know that you have a circular bucket. You could imagine starting with a circular bucket. If you then imagine compressing it at the right axis (front to back), you'll get the bucket. I attached some drawings I've done for other critiques. The pelvis drawing to the left in the 2nd image is by @John Masterton I hope this helps :)
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Amy Counsell
i did these a while ago but i didnt feel like redrawing them(−_−;) theyre kinda flat but its ok, these buckets wanna be special the red i did today thats why its the cool one
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Amy Counsell
my camera quality isnt the best huh
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Ari
6mo
bucket study from imagination
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Jesper Axelsson
Hi @Ari, nice studies. It's great that you're practicing drawing the forms from imagination as well! - Some of the ellipses are a bit pointy, or at the wrong angle and openness. An ellipse shouldn't have any cornes and the end of the bucket that's furthest from us should have the most open ellipse. Are you familiar with how to draw cylinders? Knowing how to draw a cylinder will really help when drawing the bucket👍 Draw a page with cylinders from different angles, from imagination. Then tag me if you want me to take a look. I attached an image with some tips. I strongly recommend taking the Drawing Basics course, I think you'll benefit a lot from it. And I think you'll enjoy it a lot :) Hope this helps :) Let me know if you have any questions!
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@pencilstudent
Bucket study. Will redo a page of buckets since I thought of them as perfect circles not as the squished elipse. Will watch the critique vid to grasp the concept. I think this should be included up front in the lesson to get people on the right track from the start.
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Manuel Rioja
Buckets from imagination
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Fer Khond
Number one, two, and three, i did with a model. Four, five and six from imagination, Critiques are welcome!
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Avşin
since you draw digitally, you can lower the opacity of your drawings and lay them on top of the reference photo. Being able to check the proportions easily is one of the biggest advantages of digital drawing so make sure you use it
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Vla
7mo
Good attempt at construction. 1 and 2 suffer from wonky lower ellipse placement (minor axes of bottom ellipses don't align to top ellipses). 4 sacrum is placed to high up. 5 and 6 suffer from too small taper from top to bottom. Illiac wing to ischium is roughly 7 to 4.
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Myles Goethe
My pelvis bucket exercise XD
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Jesper Axelsson
Hi @Myles Goethe, these feel pretty solid! - I found placing the ellipses on the bucket tricky, since the bucket isn't a perfect cylinder. One thing that helps me is to think of a perfect cylinder first, that you then taper and compress at the correct axis. I attached an image showing this. There are some errors in your drawings suggesting that you could benefit from practicing drawing cylinders. If you feel like that's for you, feel free to tag me (@Jesper Axelsson) and post a page with cylinders from different angles, drawn from imagination. Hope this helps :)
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Shelvs Fleurima
dear god Proko, look at him go- that intro. La Macarena
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Xan Padilla
Decided to try and cover many of the angles to make sure I understood the shape better, my lines got a little cleaner halfway through because I started simplifying it as cubes and then did the actual pelvis shape, I struggled mostly with the upper ones I guess because the circle shape
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Mike Karcz
Hello. Sometimes I struggle with the pelvis, and how to imagine the pelvis as a box, instead of round disks; like, where would the corners of the box be? I'd love and appreciate some tips on drawing the pelvis as a simplified shape.
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Liandro
Hey, @Mike Karcz! The way you’re imagining the box enveloping the pelvis looks pretty effective to me. To make it even simpler, I’d suggest thinking of a basic box instead of a tapering one. In How to Draw Structure in the Body – Robo Bean, Stan mentions which anatomical landmarks to consider when drawing a box to represent the pelvis - although, yeah, the volume of the simple box should also include some muscles, since the pelvis bones for themselves won’t fit perfectly inside it. In that sense, the 3D Model: The Bucket is definitely a more accurate tool for an advanced construction of a believable bone structure for the pelvis, as @Gabriel Palma very properly mentioned. But, in a general sense, we can still use the idea of a simple box to visualize and more easily draw the pelvis or pretty much any 3D object - the key is to let go of a perfect fit and just think in terms of where are the main planes of that object (front, back, sides, top and bottom). As an example, I’m attaching a quick diagram of how I visualize simple boxes in this Skelly pose. Notice it’s not precise, so there’s some room for variety and interpretation, as long as the general plane changes make sense. Using this approach (the “box logic”, as @Steve Huston usually says) can be helpful to keep us grounded in a 3D thinking mode in the simplest way possible. If we train ourselves to solve basic boxes, it can be easier to carve out of it any other more complex forms (such as a pelvis) later on as we develop a drawing. Hope this helps. Keep up the good work!
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Gabriel Palma
IMO it's very hard to fit the pelvis in a box. The bucket shape is easier/better. The box works for me when the model has muscles. I prefer the bucket when drawing a skelleton. In your drawing, despite of the box, I really like the pelvis you draw inside. It looks very accurate.
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Samuel Parker
Drawing these buckets and drawing these ellipses was a fun challenge, learning about the anatomy of an ellipse through drawing a bunch of them really helped.
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Brett
11mo
Glad I am not the only one! Still not sure I completely understand the perspective of the bucket.
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Nylz
1yr
The Buckets!
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squeen
My study of a modern master's sketch: big Frank himself. I generally struggle with pen & ink (more so than graphite), so suggestions or tips will be much appreciated. If @Jeffrey Watts ever stops by here, I'd love to hear from him. It was his YouTube videos that encouraged me to dare to walk a few paces in FF's foot-steps. And he was correct to do so! Even is this very casual sketch of his, the master designer taught me a bunch about flow along the figure. I continue to see things I missed in the translation---like the subtle tip forward of his gal's head, the s-curve of her figure, the hunched-down body-language of the wolf, etc. That man was SO good!
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Steve Lenze
Hey sqeen, Your self assessment is pretty right on. This little sketch is a master class in why gesture is so important. It elevated this little sketch to something more, something with movement and emotion. I did a little sketch to show you an analysis of what is happening in Frank's sketch, I hope it helps :)
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Founder of Proko, artist and teacher of drawing, painting, and anatomy. I try to make my lessons fun and ultra packed with information.
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