I looked for a creation and found none. It's probably just still in moderation.
Yeah, I noticed the lack of these elements in the LXF file. And I know what it means to get slow with LDD. In the still unfinished First Builders' Temple, I keep removing bricks from the inside of the structures, so that it runs better (do not be misled by the present tense that I have worked on it recently; I haven't in several months).