Preview your Figma files in any Slite doc.
Set up your Figma share URL
Go to Figma > Share > Click "Anyone with the file link" > Copy Link.

Paste your Figma share URL in Slite
Go back to your Slite doc > Paste the link.

Preview your Figma files in any Slite doc.
Go to Figma > Share > Click "Anyone with the file link" > Copy Link.
Go back to your Slite doc > Paste the link.