<t>Sigh. So now the problem seems to have fixed itself. This morning after I booted my computer I went back to an older version of the house model I'd built, and tested the Create Photo in high quality. It worked normally. Then returned to the model that's been giving me trouble, coming out plain ...

<r>BTW, I've attached a high quality rendering that was one of the last that actually generated an image. Note the three squares which never rendered in the center. However, even though it didn't "complete" properly, it thought it was done and allowed to to use the save option. <IMG src="https ...

<t>Thanks for weighing in. Much appreciated! I did edit the SweetHome.cfg file and increased memory from 2000 to 4000m. The FAQ suggested I might need to run a Terminal command to get MacOS to permit me to edit the file, but my experience was it allowed me to save the changes without a challenge, so ...

<t>I'm running Sweet Home 3D 6.5.2 under MacOS 11.4 Big Sur on an M-1 Mac Mini. For the past month I've been working happily and creating lots of high quality renderings for a personal project.<br/>
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I installed the PhotoVideoRendering plugin a couple of weeks ago, which has worked pretty well ...