How do I reduce the size of an OBJ file?

How do I reduce the size of an OBJ file?

3 Answers

  1. First option, reduce the complexity of the object by cutting the number of triangles that form it.
  2. Second option, try to read the OBJ file in a single chunk instead of line by line.
  3. Third option, try to build a basic converter for OBJ into binary format.
  4. Fourth option.

How do I reduce the size of a MeshLab file?

Open your model in MeshLab. For example, drag and drop the OBJ file from your 3D scan into the window or go to File → Import Mesh… and navigate to your file. Go to Filters → Remeshing, Simplification and Reconstruction → Simplification: Quadric Edge Collapse Decimation (with texture) (if you’re using a texture).

How do you simplify 3D models?

Step by step

  1. Open the model in 3D Builder.
  2. Select the Edit tab.
  3. Choose Simplify.
  4. Use the slider to select the percentage of reduction.
  5. Select the Reduce Faces checkmark.
  6. Click the Repair model box in the bottom right.

How do you simplify mesh in Freecad?


  1. Select one or more mesh objects.
  2. Press the Mesh Decimating button. Select the Meshes → Decimation…
  3. The Decimating task panel opens.
  4. Specify the Reduction: If only one mesh object has been selected and you choose the Absolute number option:
  5. Press the OK button to finish the command.

Are FBX files compressed?

no! The EXP_FBX_COMPRESS_LEVEL is used by a functionality of the FBX SDK to compress data arrays when writing to the FBX 7 files format to try to reduce the file size. But media data (audio, video, textures) do not fall into this category.

How do you split 3D models?

Step by Step

  1. Open 3D Builder and choose Open to select your model.
  2. Select the Edit tab on the top menu.
  3. Select the split action from the edit menu.
  4. Select the Keep Both option from the split menu.
  5. Position the cutting plane using the rotation gyroscope.
  6. Select Cut to select your choice.

Is it possible to compress a 3D file?

The file sizes for 3D models can often be very large, so compressing the files was a requirement. We initially tried using standard compression approaches (e.g., gzip, 7-Zip, etc.) and were able to make some progress, but even the compressed files were still pretty large.

How to reduce the size of a 3D drawing file?

Turn off saving solid history by entering SOLIDHIST on the command line and setting it to 0 (zero). Export 3D solids to a SAT file using the ACISOUT command. Delete all 3D solids and import them again using the ACISIN command.

How to reduce the file size of.obj 3D models?

Then click on the ‘Edit…’ option and select ‘Reduce’. You can now reduce the polygon count using several options. The best working choice is to use the percentage tool. It will immediately tell you by how much percent your file size (and polygon count) has been reduced.

How does 3D printing affect the file size?

For example, Selective Laser Sintering (SLS), SLA or Binder Jetting won’t have the same printing resolution. The 3D printing technology you will choose also has an impact on the overall quality of your print, but the size also matters.