How to Make a Paper Building Playable Inside with Separate Floor Tiles

Sketch the building from above before cutting paper. Mark the outer wall line, clear interior area, doors, stairs and any permanent supports. Choose a grid only if your group uses one, and measure the bases of the miniatures you expect to place inside. The wall thickness and any interior ledge reduce usable space, especially at corners. A tabletop terrain maker notes that wall edges can crowd miniature bases, and uses a larger grid to make room for walls; treat that as a design option, not a universal scale requirement. Bitzy the Bard’s discussion of castle tiles

For a straightforward first build, make a ground floor and one upper floor rather than a stack of many levels. Draw each floor as a separate rectangle matching the building’s interior footprint. Add space around a stairwell or ladder so a miniature can be moved between levels, or use a removable stair piece if a fixed stair would obstruct play. Decide where the upper tile will rest before you print or decorate it: a floor that looks right but has no stable support is not ready for use.

Use cardstock for the wall shell and a stiffer backing for the floors. A printed floor glued to mat board or another firm card makes a flatter surface than a single sheet of paper. In a practical terrain build, Paul Kingtiger prints floor artwork, mounts it to thick card, cuts the levels to matching dimensions and stacks them as separate pieces. This is a useful method when you want defined, swappable floors. Kingtiger’s building construction guide

Keep the roof separate, and avoid gluing the upper floor to the walls. For a removable wall shell, fold and join the wall strip into a box, then use small tabs, corner braces or a removable base to hold its shape. HobbySport’s tabletop building uses folded paper walls whose tabs overlap inside a base; the roof can be lifted off or glued on. For a fully paper version, adapt the same principle with a card base and unglued roof. HobbySport’s tabletop building description

A floor tile needs support on more than one edge. Glue narrow card strips to the inside of the walls at the height where the upper floor should sit, forming a continuous ledge. For a wider room or a heavy tile, add an internal partition or cross-support below the floor. The support should carry the tile’s weight while leaving the playing surface as unobstructed as possible.

A model-building guide describes removable upper floors resting on internal walls and emphasizes a loose fit so the floor clears details that protrude inward. It also suggests a small raised card loop as a handle when a floor is difficult to lift. Wargame scenery guide to removable upper floors In paper construction, use a folded card tab or a small hole near an edge as a lift point; keep it out of the path of miniatures.

Cut one plain test tile from scrap card. Set it on the ledges, check that it lies flat, then lift it out using the planned access point. Trim in small amounts until it clears the walls on every side. The goal is a little working clearance: a tile that wedges tightly can bend the shell or disturb miniatures when removed, while excessive looseness can let it shift during play. This clearance is a practical fit test, not a fixed measurement, because paper thickness, folds and glue all affect the interior dimensions.

Once the test tile fits, use it as a template for the finished tile. Mark a consistent front edge or orientation on every level so doors, stairs and room features line up when stacked. If you make several floors, test each in the same shell; small differences in cutting or assembly can cause one floor to bind even when another fits.

Keep walls low enough, or make at least one wall removable, so players can reach figures without pinching the paper shell. A roof that lifts away gives access from above; a removable floor provides access to the level below. For an upper floor, decide whether you will lift the whole tile off to reveal the ground floor or leave it in place while figures occupy both levels. A single tile cannot provide both clear visibility and uninterrupted access to everything underneath, so choose the play mode that suits the encounter.

Keep furniture and decorative pieces loose when they might block movement or prevent a tile from lifting. If a room needs a large feature such as a table, place it after the floor is installed, or make it a separate piece. A smooth, flat floor also helps miniatures stand steadily, a stated design goal in Bitzy the Bard’s tile-building notes. Tile design considerations

Print or draw the walls, roof and floor surfaces at the same scale. Before cutting the final parts, verify the printed grid or measured dimensions against a ruler; printer scaling can change the fit. Score fold lines lightly with a blunt tool and ruler, then fold the walls and glue the shell. Add internal ledges only after confirming the shell is square, since an out-of-square wall can make a carefully cut tile rock or catch.

Next, install the test floor and check that it rests on the supports without bowing. Add braces if the tile sags, then cut the finished floors from the test template. Finish exposed card edges with a matching marker or paper strip if desired, taking care not to add bulky edging that changes the tile fit. Build the roof last and test that it lifts clear without catching the wall tabs.

Place the building on a flat table and test each floor with the miniatures and tokens you intend to use. Confirm that bases fit near the walls, doors remain reachable, stairs do not block movement, and the upper tile lifts without dragging figures or catching the ledges. Push the shell gently from each side; if it shifts, add a wider base or strengthen the corners. Repeat the fit test after decoration, since added layers can narrow the interior.

If the structure still feels fiddly, simplify it: use a removable roof and one upper tile, skip interior partitions, and keep small furnishings separate. For a narrow room, a removable wall may provide better access than trying to reach through the roof opening. The most playable version is the one whose floors are easy to remove, whose supports stay put, and whose clear area matches the miniatures your group actually uses.

• “2 minute tabletop (buildings)” — Paul Kingtiger

• “How to make foam castle tiles for tabletop role playing games with Bitzy the Bard” — Bitzy the Bard

• “Wargame scenery and terrain - Buildings” — Ian’s Wargame Pages

• “Tabletop Building - 3D Roof/Base + Papercraft Walls” — HobbySport on Cults3D