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    Exporting 3DS from Blender?

    Third Party Software
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    • dbini
      dbini @dbini last edited by

      (I'm currently using Blender 3.6.2 - i will try tomorrow with Blender 4 on a different machine)

      John Collingswood
      taikabox.com
      2019 MBPT 2.6GHZ i7 OSX15.3.2 16GB
      plus an old iMac and assorted Mac Minis for installations

      dbini 1 Reply Last reply Reply Quote 0
      • dbini
        dbini @dbini last edited by

        update: i tried using Blender 4 - the 3DS exporter addon looks a little different, but the results remain the same. i tried dragging the 3DS into an online 3D viewer and it reported an error - 'the object contains no meshes'. I exported a FBX from Blender and dropped this into the online viewer and it looks fine. (one slightly complicated mesh)(its from a LIDAR scan)(although I already cleaned up and decimated the geometry so it is more manageable) GLTF export works fine as well.

        John Collingswood
        taikabox.com
        2019 MBPT 2.6GHZ i7 OSX15.3.2 16GB
        plus an old iMac and assorted Mac Minis for installations

        bonemap Skulpture 2 Replies Last reply Reply Quote 0
        • bonemap
          bonemap Izzy Guru @dbini last edited by bonemap

          @dbini

          Hi John,

          Here is a scanned file from iphone lidar and converted in Blender 4.1.1

          bunny_tester.zip

          I also scanned a pair of pliers but could not successfully export that mesh as a 3D model after decimation using Blender, but I could do so using Cheetah3D. The attached bunny scan did not require applying any decimation modifier, but the plier mesh did. This could mean that the decimation modifier in Blender changes some of the polygons from triangles to quads—3DS requires polygon triangles only - just a guess.

          Best wishes

          Russell

          http://bonemap.com | Australia
          Izzy STD 4.2 | USB 3.6 | + Beta
          MBP 16” 2019 2.4 GHz Intel i9 64GB AMD Radeon Pro 5500 8 GB 4TB SSD | 14.5 Sonoma
          Mac Studio 2023 M2 Ultra 128GB | OSX 15.3 Sequoia
          A range of deployable older Macs

          Skulpture 1 Reply Last reply Reply Quote 0
          • Skulpture
            Skulpture Izzy Guru @dbini last edited by

            @dbini feel free to send me the file and I can take a look.

            Graham Thorne | www.grahamthorne.co.uk
            RIG 1: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
            RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
            RIG 3: Apple Laptop: rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

            1 Reply Last reply Reply Quote 1
            • Skulpture
              Skulpture Izzy Guru @bonemap last edited by

              @bonemap said:

              3DS requires polygon triangles only - just a guess.

               Yes, the blender addon ignores quads, only see's triangle meshes. 

              For reference: https://docs.blender.org/manua...

              Graham Thorne | www.grahamthorne.co.uk
              RIG 1: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
              RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
              RIG 3: Apple Laptop: rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

              dbini 1 Reply Last reply Reply Quote 1
              • dbini
                dbini @Skulpture last edited by dbini

                the mesh is all triangles. i just decimated at 0.5 to simplify everything, then triangulated the mesh, just in case. exported a new 3DS. still doesn't show up in Izzy. When importing into Izzy, it says that the texture cannot be found (even though it is in the same folder as the blend and 3DS files) - but, even without texture image, the model should show up as wireframe or points or with default material, I'm seeing nothing.

                (I've WeTransfered a folder to Skulpture to have a look)(thanks G)

                I've booked a session with a Blender specialist next week so he can teach me how to bake textures for GLTF - maybe i get time to test the 3DS process with him as well.

                John Collingswood
                taikabox.com
                2019 MBPT 2.6GHZ i7 OSX15.3.2 16GB
                plus an old iMac and assorted Mac Minis for installations

                bonemap 1 Reply Last reply Reply Quote 1
                • bonemap
                  bonemap Izzy Guru @dbini last edited by

                  @dbini

                  Hi John,

                  If you find out how to make the 3DS export from Blender work, it would be great to get information about the solution here.

                  Best Wishes

                  Russell

                  http://bonemap.com | Australia
                  Izzy STD 4.2 | USB 3.6 | + Beta
                  MBP 16” 2019 2.4 GHz Intel i9 64GB AMD Radeon Pro 5500 8 GB 4TB SSD | 14.5 Sonoma
                  Mac Studio 2023 M2 Ultra 128GB | OSX 15.3 Sequoia
                  A range of deployable older Macs

                  Skulpture 1 Reply Last reply Reply Quote 0
                  • Skulpture
                    Skulpture Izzy Guru @bonemap last edited by

                    The issue was the texture file name. It had an underscore in it. I think 3DS is very sensitive to naming conventions. I renamed said texture to "girl.jpg", re-linked it via Blender using the technique in my videos and then imported it into isadora - Bingo. I'd post a picture, but it's not mine to post.

                    Graham Thorne | www.grahamthorne.co.uk
                    RIG 1: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
                    RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
                    RIG 3: Apple Laptop: rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

                    dbini 1 Reply Last reply Reply Quote 3
                    • J
                      jandraka last edited by jandraka

                      Hi,

                      I am also having problems when importing 3ds file into Izzy. The original is an obj file obtained with the iPhone that is imported into Blender and exported as 3ds. I have tried changing the name of the file in case it could be a problem and I can import the resulting file into Isadora. The problem is in the distribution of the texture, which is not correct. If I open this same file with Meshlab or Blender, the texture appears correctly.



                      I would appreciate any help.
                      I am attaching the original model in case someone can take a look.

                      Thanks

                      Best regards.

                      Javi

                      Original model

                      MBP M2 Max 32 GB. MacOS 13.7.3 Isadora 3.2.6 - 4.0.7

                      Skulpture bonemap 4 Replies Last reply Reply Quote 0
                      • dbini
                        dbini @Skulpture last edited by

                        @skulpture
                        thanks for working with this, Graham, your 3DS model is looking good in Isadora, but, even though I followed your advice, my 3DS exports are still failing to show up in Isadora. I'm going to look at this again next week.

                        John Collingswood
                        taikabox.com
                        2019 MBPT 2.6GHZ i7 OSX15.3.2 16GB
                        plus an old iMac and assorted Mac Minis for installations

                        Skulpture 1 Reply Last reply Reply Quote 0
                        • Skulpture
                          Skulpture Izzy Guru @jandraka last edited by

                          @jandraka I will have a look for you.

                          Graham Thorne | www.grahamthorne.co.uk
                          RIG 1: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
                          RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
                          RIG 3: Apple Laptop: rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

                          1 Reply Last reply Reply Quote 0
                          • Skulpture
                            Skulpture Izzy Guru @dbini last edited by

                            @dbini I will send you the files I have. 

                            Graham Thorne | www.grahamthorne.co.uk
                            RIG 1: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
                            RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
                            RIG 3: Apple Laptop: rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

                            1 Reply Last reply Reply Quote 0
                            • Skulpture
                              Skulpture Izzy Guru @jandraka last edited by

                              @jandraka OK the issue is it has multiple textures; 4 I believe. texgen_0,  texgen_1,  texgen_2,  texgen_3,  so you are going to have to do a bit of work to combine all the textures into one single texture. Sorry, I don't have time to do this, but there are many tutorials online; Youtube to help. The trick is 'island packing' UVs in Blender. I hope this helps for now. 

                              Graham Thorne | www.grahamthorne.co.uk
                              RIG 1: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
                              RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
                              RIG 3: Apple Laptop: rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

                              J 1 Reply Last reply Reply Quote 0
                              • J
                                jandraka @Skulpture last edited by

                                @skulpture

                                Thanks Graham for the reply.

                                MBP M2 Max 32 GB. MacOS 13.7.3 Isadora 3.2.6 - 4.0.7

                                1 Reply Last reply Reply Quote 0
                                • Skulpture
                                  Skulpture Izzy Guru @jandraka last edited by Skulpture

                                  @jandraka said:


                                  I am getting the exact same image/preview and I can't figure out why! Sorry! I can't see or understand what the white areas are. They don't show in Blender. 

                                   

                                  Graham Thorne | www.grahamthorne.co.uk
                                  RIG 1: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
                                  RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
                                  RIG 3: Apple Laptop: rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

                                  jfg 1 Reply Last reply Reply Quote 0
                                  • jfg
                                    jfg @Skulpture last edited by

                                    @skulpture

                                    @skulpture

                                    I don't know if it could help? I have open the file in Cheetah3d and export it as a 3ds File. Then open it in different software with following results:

                                    I also export from Meshlab in 3ds and import in Isadora. I cannot saw the Model. The screen remain black.

                                    Best regards, 

                                    Jean-François

                                    • Izzy 3.2.6
                                    - MacBook Pro M1 Max 16" 64GB RAM, Mac OS 15.3.2 Sequoia
                                    - Mac Pro 5.1 middle 2012 (3,33 GHz 6-Core Intel Xeon, 32GB RAM, Radeon RX 580 8 GB ),
                                    Mac OS 10.14.6 (Mojave)
                                    - Mac mini Pro M4, Mac OS 15.3.2 Sequoia

                                    • A range of deployable older Macs
                                      Located in Bremen, Germany
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                                    • bonemap
                                      bonemap Izzy Guru @jandraka last edited by bonemap

                                      @jandraka

                                      Hi,

                                      I have had a quick look at your OBJ file. The problem is not the texture but your original mesh. The issue can be fixed by cleaning up the mesh in Blender. I used Blender: Edit Mode: Mesh>Clean up>Decimate Geometry to fix the mesh before exporting it as a .3ds file into Isadora. The following screen grab from the Isadora stage shows the model on the left exported as .3ds before clean up and to the right after clean up.


                                      Here are the Blender manual pages for Mesh Cleanup: https://docs.blender.org/manual/en/latest/modeling/meshes/editing/mesh/cleanup.html

                                      Best Wishes,

                                      Russell

                                      http://bonemap.com | Australia
                                      Izzy STD 4.2 | USB 3.6 | + Beta
                                      MBP 16” 2019 2.4 GHz Intel i9 64GB AMD Radeon Pro 5500 8 GB 4TB SSD | 14.5 Sonoma
                                      Mac Studio 2023 M2 Ultra 128GB | OSX 15.3 Sequoia
                                      A range of deployable older Macs

                                      J Skulpture 2 Replies Last reply Reply Quote 0
                                      • J
                                        jandraka @bonemap last edited by

                                        @bonemap

                                        Hi, 

                                        Thank you very much for your contribution and your time. Really is the way to solve it. I understand that there will be a limitation on the number of vertices or faces that Izzy admits.
                                        Best regards.

                                        Javi

                                        MBP M2 Max 32 GB. MacOS 13.7.3 Isadora 3.2.6 - 4.0.7

                                        1 Reply Last reply Reply Quote 0
                                        • Skulpture
                                          Skulpture Izzy Guru @bonemap last edited by

                                          @bonemap that's so weird. I did that time and time again. I could not see those solid white areas in blender at all. How bizarre?!

                                          Graham Thorne | www.grahamthorne.co.uk
                                          RIG 1: Custom-built PC: Windows 11. Ryzen 7 7700X, RTX3080, 32G DDR5 RAM. 2 x m.2.
                                          RIG 2: Laptop Dell G15: Windows 11, Intel i9 12th Gen. RTX3070ti, 16G RAM (DDR5), 2 x NVME M.2 SSD.
                                          RIG 3: Apple Laptop: rMBP i7, 8gig RAM 256 SSD, HD, OS X 10.12.12

                                          bonemap 1 Reply Last reply Reply Quote 1
                                          • bonemap
                                            bonemap Izzy Guru @Skulpture last edited by bonemap

                                            @skulpture

                                            Hi Graham,

                                            In my opinion the issue is with Isadora being unable to interpret the anomalies in the mesh and therefore producing the error in rendering the model and texture. Blender compensates for the anomaly and therefore corrects the error in the mesh automatically. In other words the error in the mesh can be detected in Isadora when looking at the wireframe of the model. However it looks ‘normal’ on Blender and many other 3D software that interpret the mesh differently to Isadora.

                                            Best wishes

                                            Russell

                                            http://bonemap.com | Australia
                                            Izzy STD 4.2 | USB 3.6 | + Beta
                                            MBP 16” 2019 2.4 GHz Intel i9 64GB AMD Radeon Pro 5500 8 GB 4TB SSD | 14.5 Sonoma
                                            Mac Studio 2023 M2 Ultra 128GB | OSX 15.3 Sequoia
                                            A range of deployable older Macs

                                            1 Reply Last reply Reply Quote 0
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