Male Torso with ZBrush

Creating a Male Torso from ZSphere

ZBrush Document

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1. Open up the Tools and drag the ZSphere on the canvas.

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2. Using the Move Tool (W), hold shift while clicking and drag up. Then make the arms and limbs. For this use the Ctrl button when you see the size that you prefer and drag out.

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3. Use the Rotate Tool (R) to move the arms or body parts to any position.

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4. When your ready go to Adaptive Skin and Preview (A). If it looks good, click on Make Adaptive Skin.

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5. Once the Adaptive Skin has been made, go to the Tool Kit and grab the newly created skin.

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6. Hit Divide (Ctrl and D) a few times and then DynaMesh. Place down the landmarks with a clay brush of your choice. The ASIS (Anterior Superior Illiac Spine), Pubis Symphysis, Illiac Crest, and PSIS (Posterior Superior Illiac Spine). These landmarks make the pelvis. Next, draw the Clavicle, Acromion, Spine of Scapula, and Medial Border of the Scapula. Finally, draw a line for the Sternum and the Costal Arch.

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7. Use the Move Tool (W) to measure from one body part to another. Rotate around the object to make sure that the Transpose tool is placed correctly.

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8. Go under Preferences at the top, select Transpose Units, and then change the measurement to one that you have, whether that is ASIS to ASIS, clavicle to ASIS, or some other landmark. All of the other measurements should be proportionate to that measurement. If you are wanting a reference for Human proportions, click here.

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9. My model reference has their hips rotated. Therefore, I made a mask right below the rib cage and soften it by hitting Ctrl a few times. Used the Transpose Tools to Rotate the hips.

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10. The Blue is the External Obliques, and the Red is the Abdominal Muscles. For the External Obliques, focus on the tear drop-like shape (they do go up higher onto the rib cage, however focusing on the tear drop shape helps identify its location). The Abdominal Muscles should not be symmetrical, since they are not perfectly symmetrical in real life. I used the clay brush or inflate brush to build up the clay and then smooth to make sure it isn’t too choppy.

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11. Locate the clavicle (red), acromion (blue). and scapula (black). These bony landmarks help located the muscle groups around them. The pectoral muscles come off of the clavicle. The deltoids form from the acromion, part of the clavicle, and the spine of the scapula. The Trapezius goes from the back of the skull slightly over the scapula and then down to the 12th Thoracic Vertebrae (bottom of the rib cage).

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12. This is the red section is the Latissimus Dorsi. I used the clay brush and the smooth brush to make it. It goes from the posterior ilac spine and Thoracic 7th vertebrae to the humerus.

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13. Slowly build up the muscles with the clay brushes. If you need to adjust big movements, use the mask (Ctrl) tool and then the Move (W) tool or Rotate (R) tool.

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14. I extended the neck and then used the SliceCurve Tool. That the same tool that I used for the arms.

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15. These are just short acronyms that I made up to help label the anatomy. This is how I depicted the anatomy on the model. Also, the L’Ecorche app is great for identifying the muscles. 

T- Trapezius

C- Clavicle

SCH- Sternocleidomastiod

P- Pectoralis Major

D- Deltoid

SEL- Serratus Anterior

EO- External Obliques

ASIS- Anterior Superior Illac Crest

RA- Rectus Abdominus

CI- Crest of Ilium

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16. Here is my labeling for the posterior.

T- Trapezius

D- Deltiod

SS- Spine of the Scapula

MB- Medial Border of the Scapula

IS- Infraspinatus

T- Teres Minor

L- Latissimus Dorsi

ES- Erector Spinae

EO- External Obliques

PSIS- Posterior Superior Iliac Spine

R- Rhomboid

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17. Then use the mask tool (ctrl), click a few times to make it smooth. Then go to the Subtool, Extract, and then play around with the Thickness and then press accept when the Subtool is the right thickness.

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18. To make it into a turntable movie, go to Movie. I pulled the tab over to left, and played with the opacity on the image to make the ZBrush logo disappear. Select document instead of window. Click turntable when your ready!

ZBrush Document

19. Save the video and that is it!

[youtube https://www.youtube.com/watch?v=emf-GJVHu2U&w=560&h=315]

Giving my anatomical credit to the various teachers from Marissa Weinman, Mike Magrath, Scott EatonJonathan Usiak . and Ryan Kittleson. These are notes are mainly from the Digital Sculpting Class taught by Scott Eaton (Click here)

 

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