Based on what we have seen up to this point in our 1:900 scale U.S.S. Enterprise NCC-1701-D build, most of the saucer Deck Panels have designations such as ‘U3-11’ and are following a consistent pattern. Using this information and the full-size image of the starship from the introduction poster, I put together a couple of diagrams showing where I think all the panels are supposed to be fitted.

Since other builders have started to assemble the lower half of the saucer section, here is how I think those panels will be placed: