I use the baseplate that comes with the modular since I obviously have them anyway, will be interesting to see how yours come out using the 16x16 plates, look forward to seeing them
Thanks - Working on the video and hope to have uploaded soon. using the 16x16 plates I saw from another LEGO RU-vid channel. Also you can use Alternative LEGO called Strickly Bricks 10"x10" plates (Basically 32 stud baseplate the same thickness as a regular 16x16 plate) which works awesome and keep the cost down. Plus no one will see them as then will be covered in LEGO.
Nice Job! This was fun to build. I feel like this is similar to some of the smaller dioramas they have made or even a GWP. Lots of Minifigures which makes it more valuable.