(2025-09-26, 8:20)BBN Wrote: The only thing I don't understand about LDraw.org is that parts are uploaded, and when you download them, the Part Designer doesn't recognize them. Why aren't these DAT files even properly completed so that they're usable?
Maybe you are trying to use parts that have subfiles/parts, that you did not download. Subparts are used for reusability, wich also keeps the entire part library itself smaller in storage used.