Print at Jan 28, 2026, 10:29:11 AM

Posted by Keet at Mar 3, 2024, 4:52:38 PM
Re: How complex a model is too much?
When you export a model in Sweet Home 3D it will only have groups (g lines) not objects (o lines). You acn import an OBJ file with only objects and no groups but when you export it again those objects will be groups.
In Blender you can choose if you want to import objects, groups, or both. The same for export. Set the preferences you want before exporting from Blender.
I use this to merge groups; add an o line at the top of the Sweet Home 3D exported model, import in Blender with only objects, not groups, and export from Blender. All groups will be merged into a single group per material.

This recent thread has excellent advise from Emmanuel about how to optimize models for faster rendering: https://sweethome3d.com/support/forum/viewthread_thread,13005
The thread also explains the differences between Sweet Home 3D and Blender exports.
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