1. #16

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    Hi everyone
    Here is the Hard surface model I did for the beta test.




    I'm not much of a hard surface model guy, and usually makes "moe" figure kind of models. but I really found it easy to make these,
    by using the combination of IMM and the new boolean preview.
    easy to control and rotate the object with Gizmo 3D

    happy to join the beta and I really wanted to do much more work to show for.
    well, other than this, I've been doing the Japanese translation for 4R8 and the ZBrushCore! yey

  2. #17

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    I went a bit over the top with the new boolean system, exploring and it's features and trying to really understand how I'd be able to incorporate it on my personal workflow.
    Like I said, building an entire model only using primitives and boolean was totally overkill but a truly learning experience regarding the new features, and that's where I spent the little time I had available during this beta.

    - I started with some primitives and a couple of sketches/concepts I've found over the internet.
    Blocked the base of the gun and started adding primitives to create all the cuts and shapes.
    I need to mention that having the live preview is definitely a game changer due the fact you can still sculpt while have that fixed geometry creating the cuts/insets/etc for you live.
    You can also use the hidden geometry to explore shapes and different silhouettes by activating symmetry and the live boolean preview and with the move tool, keep pushing and pulling stuff around.
    That's how I created the hand grip of this gun.


    After I had all my base shapes done, I added a couple of details like insets for bolts and refined shapes, but here I'm using the nano-mesh, which also updates live, so I was able to find the perfect size and shape for those details.
    I've duplicated the areas I wanted those holes to be and since they were the same areas that had boolean operations, all of my polygroups were already made.


    Here some cosmetics renders just for the sake of the presentation



    It was great to see all the beta testers creating amazing stuff and can't wait to see everything that the community will be doing once they get their hands on it, specially creating new workflows and techniques to improve our speed and accuracy during production.
    Thanks Pixologic for the invite and thanks everyone that shared their stuff.

  3. #18
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    Geert Melis Betatesting Z4R8



    Hey Gals 'n Guys

    This betarun was, again, an awesome experience - but, above all very humbling in the company of so many great artists... just look at all those incredible testresults!!!!!!

    The past few years have been so frustrating sculptwise because I am not able to post and paricipate more actively on ZBrushCentral. Hopefully this will change for the better in the near future :-)

    The Character:

    For this test I modeled a “Thin Veil of Reality” character named “DENZEL”.

    Built by Julius’s father to protect him, this E1-V.001-R94 model spends most of his time in the garden & the land surrounding Julius’s house (Riverlane 1). On several occasions he teams up with Julius and Ariana in their efforts to constrain the spread of the dark when the Veil opens.
    The images below show him as he came out of the workshop, all shiny and new. Props, wear and tear will be added as soon as I get the chance to complete the other characters and depict them together in some storyline scenes.

    R8 New Features:

    This R8 update provides us with new powerful features, they add to the toolbox and make ZBrush an even more luxurious concepting and creation tool.

    I put my main focus on working with the Boolean operators and the 3DGizmo/Transpose All Selected Subtools additions along with the new Transform Types (Deformers) and the 3D Text plug-in.

    Following the image below, I posted my beta-notes which I made during testing/modeling.

    The notes are not as in-depth as I would have liked them to be, but unfortunately time (or lack thereof) is always an issue. However, I do hope that you will find some use in them.
    In an attempt to compensate for the lack of in-depth info, I marked essential new techniques and essential existing techniques red, hoping that this helps new ZBrushers when they want to look up additional info in the ZClassroom, Online Documentation or in the documentation that comes installed with ZBrush.

    No Keyshot renders atm - all ZBrush BPR and PS comp.



















  4. #19
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    Geert Melis Betatesting Z4R8 - continued





    VIDEO:

    The vid below shows me testing the pivots & the new 3DGizmo/Transpose All Selected Subtools functionalities.





    ADDENDUM:

    The following addenda focus on the modeling of one small part but hopefully offer a more in depth look at the modeling techniques I mainly used for this guy.

    The last step on page three deserves your extra attention since it focuses on applying bevels after boolean modeling.








  5. #20
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    Default Marco Plouffe - Lancer (pen-holder)

    Hey everyone,

    I decided to use the 4R8 to test a 3D printing workflow using my new Form2 printer and the new boolean tools of Zbrush. Zbrush already had tools to prepare for print, but the new tools bring advantages that are pretty great. One advantage is that you don't need Dynamesh anymore. Although Dynamesh i probably my favorite tool in the world, it comes with issues when relating to 3D printing: heavy meshes in order to sustain details that crashes when creating a shell, loss of quality and detail even with heavy meshes, etc. I'll be talking about those advantages during the description of the workflow.

    For my workflow test, I wanted to create a fancy wacom pen holder but, before that, I did is testing with a more simple objet to see if my pen would fit.

    First I measured my pen with a transparent ruler and made one in Zbrush using the Transpose line's units as measurment (1 Unit = 10 millimeter).





    Marco Plouffe - Artist and Co-founder of Keos Masons
    http://www.marcoplouffe.com
    http://www.keosmasons.com

  6. #21
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    Note that during the export into STL, you have to tell him you were in millimeters. On Zplugin, go to 3D Printer Hub, select "mm" and click on Update Size Ratios. Then choose the top-right option. The only thigh left to is to scale the size values by 10 to get real-life sizes. You can do it in Preform, or select one of the values below Update Size ratio and move the decimal to make it 10 times bigger. For example, if your X(mm) value is 1.2345 then make it 12.345 instead before exporting in STL.





    Marco Plouffe - Artist and Co-founder of Keos Masons
    http://www.marcoplouffe.com
    http://www.keosmasons.com

  7. #22
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    First test was a success in terms of having the pen fit well in the hole. I then started sculpting a more fancy pen holder, starting with the gesture concept followed by the design in a symmetric pose.



    Marco Plouffe - Artist and Co-founder of Keos Masons
    http://www.marcoplouffe.com
    http://www.keosmasons.com

  8. #23
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    When I was happy I started polishing it. The model is pretty high on details but I wanted to test the capacities of my new Form2. I tried to not have too much negativ space in the design since it'll be easier to print later.







    Then I posed him and placed the pen, but didn't make the destroyed head yet.



    Then merged in to 3 subtools (body, left arm, right arm) and decimated the entire model so that each pieces are at around 3 million polys.

    Marco Plouffe - Artist and Co-founder of Keos Masons
    http://www.marcoplouffe.com
    http://www.keosmasons.com

  9. #24
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    Once decimated, I used the boolean tools to make a unified (welded) and water-tight model. The method is to boolean the model on itself and to do that you simply need apend a small meaningless subtool (like a cube) and hide it inside the mesh. Make sure the primary mesh is in START mode and the second one (the cube) in "additive boolean".



    After pressing Preview Boolean Render and Make Union Mesh, you'll get a new Ztool. If you select a part out, you'll see inside that it's not water-tight yet. Some "cavern" still exist and you need to get rid of them. Note that it might tell you there are erros, but you can ignore that for the workflow I'm showing.





    To get rid of the caverns, you need to do...
    1- Go in Tool-Polygroup and click on AutoGroup. This will assign all dettached, internal junk meshes so you can select them and delete them. (see image below)
    2- Close the gaps (the entrance of the caverns) by using the Inflat Brush, adding meshes or, my favorite method, use the Move Brush with BackfaceMask (Brush-AutoMasking). This will move only one side of a mesh, very good to make a thin mesh thicker, or closing a gap.
    3- Use the Make Union Mesh again
    4- Repeat step 1
    5- If some gaps are remaining, close the gaps and repeat the steps.

    Note: If Make Union Mesh seems to crash, decimate your model at 99%. It's virtually the same mesh but it seems to re-initialize it.



    Marco Plouffe - Artist and Co-founder of Keos Masons
    http://www.marcoplouffe.com
    http://www.keosmasons.com

  10. #25
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    The next stage is to model the hole in the decimated head. Use the pan as a boolean negative, dynamesh the head to a very high value and model the damage. When finished, I decimated back again and booleaned the head to the body.



    The next step is to do the cut and key. First I flattened the arm where it connects to the body and then booleaned the arms out of the body to make sure they are flush.



    Then I add the keys and make the holes using the same subtools with a slight inflat for the hole. And of course, use booleans and Make Union Mesh!



    The next step is to create the hollowing of each parts (the emptiness inside each shape to lower printing costs). Here are the steps:
    - Duplicate the subtool
    - Dynamesh it at a pretty low resolution
    - Use the Insert Cylinder Brush by pressing and by pressing the ALT key, place a cylinder anywhere on the model.
    - Clear the mask and use the Create Shell function in Tool-Geometry-Dynamesh. Using the Transpose Tool measurement, figure out the value to have the thickness you want (I tryto get 2.5 to 3mm)
    - Select only the inside part of the result using the polygroups, delete the rest using Delete-Hidden, close the hole with Close-Hole, click Auto-Group and Flip.
    - Give it a quick polish pass (Tool-Deformation-Polish)
    - Decimate very low
    - Flip the mesh normals back to their inverted state
    - Merge with initial subtool



    I punched a hole somewhere to create a tunnel where the resin will drip out using boolean cylinder and Make Union Mesh when happy of the results.

    Marco Plouffe - Artist and Co-founder of Keos Masons
    http://www.marcoplouffe.com
    http://www.keosmasons.com

  11. #26
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    I repeated for all parts and BOOM ready to print! I exported in the same way as above and prepared the model in Preform.



    But wait... I had a printing failure.





    I was told the model fell off the support during printing because of a suctions problem related to the fact that I didn't have air holes close enough to where my model started printing. The sucton is caused by a bowl shape with no air hole to redcue the suction effect. It was very easy with booleans to adjust that and put holes closer to the base of those "bowls".

    Marco Plouffe - Artist and Co-founder of Keos Masons
    http://www.marcoplouffe.com
    http://www.keosmasons.com

  12. #27
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    Second try and here is the print! Images below are not sanded or primed yet, therefor you can still see the support dots, but otherwise the quality is pretty good!







    Marco Plouffe - Artist and Co-founder of Keos Masons
    http://www.marcoplouffe.com
    http://www.keosmasons.com

  13. #28
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    I finished sanding and priming the model. Would be better with a good camera but eh!







    Marco Plouffe - Artist and Co-founder of Keos Masons
    http://www.marcoplouffe.com
    http://www.keosmasons.com

  14. #29
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  15. #30
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    Here's a few renders of the thing I printed.







    Anyway I really like the new boolean features to prepare a model for print. I was about to try other software but I'm pretty satisfied with the features of the 4R8 to be honest!

    Special thanks to Thomas Roussel who helped me a lot for the printing aspects!
    Marco Plouffe - Artist and Co-founder of Keos Masons
    http://www.marcoplouffe.com
    http://www.keosmasons.com

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