Re-Appreciating the Obvious: Lycraphilia
The dimensions of your memory palace are based on how much you want to remember. It is supposed to be the storage space for the many contents that in their sum make up a person's accumulated knowledge. Several hundred building parts in all sizes and shapes are conceivable. The more there are, the better. No one has to build the entire compound at once.
Your building doesn't have to be a palace. Maybe it's a cave, an opera house, a cathedral, or a parking lot, or the belly of a whale. Or maybe it's - a little smaller - a closet, a tunnel, or a sink.
R-AtO:L explores the shallows and at times volatility of supporting webs of association born out of the hope of making connections to information packages and keeping them exploitable over time.