Loire Valley Château on a Rock – Round Bastions, Spiral Stair Tower & Cave | D&D Tabletop Terrain | Supportless STLFantasy French Château on a Crag – Machicolated Towers and Rock-Cut Stairway for D&D and Wargaming (FDM-ready STL)Short description

A Renaissance château on a rocky crag, inspired by the castles of the Loire Valley and Chaumont-sur-Loire in particular, on a 75 mm octagonal base. Three round bastions with machicolations and cone roofs, a U-shaped palace with dormers, a tall stair tower wrapped in a spiral staircase, a stairway cut into the cliff, a small bridge and a hidden cave. It prints in one piece on an FDM printer with no supports.

Technical specificationsBase: regular octagon, 75 mm across flats / 81.2 mm across corners, 4.5 mm thickFootprint: 75 × 75 mmOverall height: 68.0 mm (top of the stair tower)Courtyard level: 25 mm above the bedParts: 1 (single piece, no assembly)Mesh: approx. 31,000 triangles, watertight / manifoldUnits: millimetres (imports at the correct size)Volume: approx. 77 cm³ (solid)Supports: not required (FDM)Scale: a tabletop centrepiece / landmark that pairs with 28–32 mm miniatures. It is not a walk-in building. Scale it up to 150–200 % for a larger showpiece.Recommended print settings

FDM (PLA / PLA+, 0.4 mm nozzle)

Layer height: 0.12–0.16 mm (0.12 mm for the crispest stairs and spiral)Perimeters: 3Infill: 10–15 %Supports: noneOuter perimeter speed: 25–30 mm/s for the thin stair towerCooling: 100 %. Above 55 mm enable slow down for small layers (minimum layer time 8–10 s)Brim: not needed (about 45 cm² of flat contact area)Orientation: flat on the base, as suppliedScaling: 100 % or larger on FDM. Resin printers can go smaller.