235 mm x 235 mm
I was starting to have to use glue for every print so I decided to start experimenting with replacement build plates.
For my first one, I went cheap and bought this one - https://amazon.com/gp/product/B084YSZFXL - for $12. It's not great but it's been consistent so far. It's a cheap magnet so it can't handle build plate temps over 60 C.
For my next one, I want to get something equivalent to a WhamBam