Settings → Plugins → STL preview (namespace stl-preview):

Key	Default	Meaning
`enabled`	`true`	Register the renderer and the byte route.
`routePath`	`/api/stl-preview`	Authenticated mesh route. Must stay under `/api`; otherwise it falls back to the default.
`extensions`	`["stl"]`	Suffixes that open in the 3D preview.
`maxBytes`	`536870912`	Largest STL streamed (512 MiB).
`chunkBytes`	`1048576`	Bytes per ranged read on the host.
`unitScale`	`1`	Millimetres per STL unit; drives size, volume and area.
`color`	`#c7d2e2`	Viewport colour (STL carries no materials).
`analysisMaxTriangles`	`400000`	Above this, skip the watertightness pass instead of freezing the tab.

dsh-stl-preview

安装