https://twitter.com/P9O13/status/132230 ... 33/photo/1
A recent Japanese tweet for people who felt discrepancies in the size of the Magella Attack.
1st Gundam version: Magella Attack (L): Width ~15m, Length ~20m, Height ~11m
MS Igloo verson: Magella Attack (M): W ~7m, L ~10m, H ~8m
08th MS team version: Magella Attack (S): W ~4m, L ~6m, H ~5m
Side note, the official size is H6.8m, L12.5m.