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tutorial on how to create an object like the C4d door?

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tutorial xpresso pose morph
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  • Dr. Sassi
    Dr. Sassi last edited by Dr. Sassi Feb 11, 2023, 3:44 AM Feb 11, 2023, 3:41 AM

    Hi industry-departure,

    The simplest way is sketched here:
    https://www.dropbox.com/s/ziyg2ny47qrmf3y/CV4_2023_drs_23_MOpf_01.c4d.zip?dl=0

    Two parameters are given the frame and the fill [element]. With these two values (or more for other sizes for different fill elements).

    The key question is, what is the initial value, the frame, the fill, or the total size? From there, certain math starts. The result of the math is then applied to the points of a specific mesh.
    This follows a logic whereby often the X and Y values are independent and repetitive but, in the proper sequence, result in a door with a frame.
    This might sound cryptic initially, but check the example, and it will be more apparent.

    Let me know if there is any question; I'm happy to look into it.

    (Scaling means that the Frame needs to be inverse scale, and the door needs to be defined with a final size and determine the frames from there.)

    All the best

    Dr. Sassi Sassmannshausen Ph.D.
    Senior Trainer, Maxon Master Trainer, L&D - Strategist
    Cinema 4D mentor since 2004, Member of VES, DCS.

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    • M
      Mark last edited by Feb 11, 2023, 5:14 AM

      Thank you for this!

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      • Dr. Sassi
        Dr. Sassi last edited by Feb 11, 2023, 5:37 AM

        You're very welcome, industry-departure.

        Have a nice weekend

        Dr. Sassi Sassmannshausen Ph.D.
        Senior Trainer, Maxon Master Trainer, L&D - Strategist
        Cinema 4D mentor since 2004, Member of VES, DCS.

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        • M
          Mark last edited by Mark Feb 11, 2023, 7:03 PM Feb 11, 2023, 7:01 PM

          I had someone on another forum make this for me, it seems to work a bit better on my system, wanted to share it in case someone else needs this.

          ShakerDoorRig.c4d

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          • Dr. Sassi
            Dr. Sassi last edited by Dr. Sassi Feb 11, 2023, 7:30 PM Feb 11, 2023, 7:28 PM

            Thanks for your reply, Mark.

            The example that you shared produces doubled polygons, which might be a problem at one point during rendering.
            Rotate the camera, and it is easily seen (flickering ).

            All the best

            login-to-view

            Dr. Sassi Sassmannshausen Ph.D.
            Senior Trainer, Maxon Master Trainer, L&D - Strategist
            Cinema 4D mentor since 2004, Member of VES, DCS.

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            • Dr. Sassi
              Dr. Sassi last edited by Dr. Sassi Feb 12, 2023, 5:59 AM Feb 12, 2023, 12:39 AM

              P.S.: This is the simplest and fastest version so far

              https://www.dropbox.com/s/644f6d66j4ve3wz/CV4_2023_drs_23_MOww_01.c4d.zip?dl=0

              With a middle part, as in you image, if you just need the front, not to open them separately
              https://www.dropbox.com/s/bckkjouh0jeo81s/CV4_2023_drs_23_MOww_11.c4d.zip?dl=0

              Cheers

              Dr. Sassi Sassmannshausen Ph.D.
              Senior Trainer, Maxon Master Trainer, L&D - Strategist
              Cinema 4D mentor since 2004, Member of VES, DCS.

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              • Dr. Sassi
                Dr. Sassi last edited by Feb 12, 2023, 8:20 AM

                P.S.S.: If you need just a single frame, not a combination, perhaps that works.
                https://www.dropbox.com/s/rw6trb1ab5m218g/CV4_2023_drs_23_MOww_21.c4d.zip?dl=0
                Scale the "plane-object" in Model Mode.

                If the frame needs to be in a constant thickness, set a keyframe on the Extrude> Offset. It will scale for a moment but then snap back to the keyframe value. If a keyframe is used, the Null>Expression can be deleted.

                Dr. Sassi Sassmannshausen Ph.D.
                Senior Trainer, Maxon Master Trainer, L&D - Strategist
                Cinema 4D mentor since 2004, Member of VES, DCS.

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                • Dr. Sassi
                  Dr. Sassi last edited by Feb 13, 2023, 5:26 AM

                  … one more, this time more simple modeling tools with a bit of XPresso.

                  https://www.dropbox.com/s/yzcvptum4vb88qu/CV4_2023_drs_23_MOww_31.c4d.zip?dl=0

                  I hope the provided methods will support your work.

                  Dr. Sassi Sassmannshausen Ph.D.
                  Senior Trainer, Maxon Master Trainer, L&D - Strategist
                  Cinema 4D mentor since 2004, Member of VES, DCS.

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                  • M
                    Mark last edited by Feb 13, 2023, 5:10 PM

                    Thank you for this! the last one is very simple and works great, even though it is simple it is beyond me how you created it!

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                    • Dr. Sassi
                      Dr. Sassi last edited by Feb 13, 2023, 6:26 PM

                      Hi Mark,

                      Thanks for the kind feedback.

                      The core idea is a Spline (Path) with another Spline (Profile). Then a Sweep is used.

                      The Profile Spline would extend the shape as it runs with its middle along the Path, so I used the Transform Element Capsule to get the axis to the "outer" point. Half of the width of the profile. In this way, the Path is also the final size. One of my targets here was to define the size without guessing.

                      With an Extrude, the Path creates the Fill of the door. I used a Bevel here, so it doesn't show up on the side (nearly no offset)

                      The XPresso handles the "half profile/axis" process and the User Data Mixer. Most of the parts (Formula) are done to allow the profile to shrink when the door is much smaller than the frame. This is more for comfort than needed.

                      My best wishes

                      Dr. Sassi Sassmannshausen Ph.D.
                      Senior Trainer, Maxon Master Trainer, L&D - Strategist
                      Cinema 4D mentor since 2004, Member of VES, DCS.

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