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Some of my models on my computer are taking up around 400-500 MB and I want to shed some space on my computer. I tried deleting objects and checking for animation data but the best I could get taken off was about 20 MB. How can I get a model to take up s few space as possible?

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A few things come to mind. These affect not only filesize, but also performance.

  • Keep modifiers procedural as long as you can (Subdivision Surface, Array, Mirror, etc. Basically any modifier that adds geometry.)
  • Use linked duplicates, instancing and collection instances whenever you can. Instances don't increase filesize and are also better performance wise.

Procedural Modifiers - filesize 650KB

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Applied Modifiers - filesize 20MB (30x increase)

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Use the Compress option

When you save your blend file, click on the "gear" icon (or press N), then check Compress.

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The file will take less disk space (50% less in many cases, and sometimes even less) ; but it will be a bit slower to save and open it.

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