I am proud to finally present my moc System scale Hogwarts castle! This is a project I’ve wanted to undertake since the first wave of sets back in 2018. But with the release of the astronomy tower this summer there was finally enough pieces to get to work.   The pieces from the set comprise almost entirely from 2x every Hogwarts expansion set since 2018, along with one broken down D2C Hogwarts. I estimate roughly 10,000 pieces in the thing. The set is comprised of 5 sections: the great hall/staircase tower, the West wing, the clocktower, the astronomy tower and the owlery. The first three of those combining into one connected piece. The great hall and grand staircase tower section comprises of a relatively unchanged great hall, the main differences being the added courtyard, along with connected viaduct, completed roof, and some removed rocks. The interior is pretty much identical to the original set.     The staircase tower takes inspiration from the original set, however I’ve added extra height and wider section near the roof for accuracy. And the roof is directly lifted from the D2C tower. Connected to this are an entirely new courtyard entrance section, and Griffindor tower, which is a ‘shrunken’ version of that from the Whomping willow set, it looks similar, but it’s structure is almost entirely different to that of the original build. There is also an added extra tower and the higher viaduct is attached via a walkway. The interior of this section of a bit sparse until I acquire more parts, but for now has elements from different sets thrown in there, such as snapes office, the Mirror of Erised, the magical decrees and the Griffindor common room.   This section connects to the west wing via two studs on the viaduct, so they can be easily removed. The west wing entrance building has been rebuilt with extra height and depth added, along with a new roof. Along from the entrance building are the greenhouses, which are unchanged, but have been attached to a facade of the west wing building, making it one solid wall piece. This leads to the bell towers, fully custom with interior in the style of the other sets. (I imagine next years flagship set will be a rendition of these)   The interior of this section is a bit sparse right now, but currently contains the positions classroom and Slughorns party. I intend to put in a library there in the future. The bell towers contain the DADA classroom (taken from the clocktower set, along with Snapes cupboard.         The Astromy tower is a floating piece. I couldn’t really find a good way to connect it without blocking the interior to the west wing. There has been a lot of extra height added, and the connecting wall removed from the bottom, along with some colour changes on the roof. But apart from this there is little to differentiate it from the original set.   The clocktower is also a floating piece. It was originally going to connect to the high viaduct, but instead the viaduct rests on tiles on the rocky landscape base. I changed a lot of colours in this section from the original set, along with combining the sections, getting rid of the technic connectors. I also attached the clocktower courtyard, which doesn’t yet have the fountain, but I do plan to put it there. The interior of the tower here remains the same as the original set, however I have added extra floor space to Dumbledore office, something I’ve also done in the clocktower entrance hall. Also in the clocktower I have added the pendulum. The hospital wing has been moved to the middle floor, with a removable rear wall so as to not show the interior when the castle is viewed from the front. The roof has also been moved and rebuilt to complete it on both sides.     Finally there is the Owlery. This is again a fully custom piece, sitting higher on rock than the other buildings. The interior here features a lot of bird droppings, and owl holes. I made sure to include the letter writing stand and owl stand from the whomping willow set, as that was a miniature representation of the owlery in a way. Outside the building I have added the staircase that leads to the rest of the castle, allowing Harry and cho to bump into eachother.   And that’s the whole castle! On the face of it the whole thing looks very similar to the original sets, but I  reality almost every building has had fundamental build changes, the least of which on the astronomy tower and great hall, with the most being on the west wing and grand staircase tower/griffindor tower.   I hope you all like it!