Dream Buildings That Curve Inward: Recording the Bend in the Outer Walls

To record dream buildings whose exterior walls curve inward, trace where each wall departs from its visible course, where the bend is deepest, and how it meets the surrounding edges. Keep uncertain details explicitly unresolved.

The task is to preserve a particular exterior geometry. Start with the curved wall and the contour references you actually remember: perhaps a corner, roof edge, surface joint, or boundary against the background. The method below adapts drawing concepts to this recording task; the sources explain visual representation and do not report this dream scene.

Locate exactly where the exterior wall bends

Begin with one plain statement: “The exterior building walls curve inward.” Add a more specific direction only when the image supports it. Does a visible side edge bow toward the building’s middle? Does a broad wall surface recede between its outer boundaries? Does the bend run upward, across the facade, or in an uncertain direction? These descriptions preserve different shapes.

Avoid making “inward” automatically mean “toward the center of the page.” A wall can recede into the building’s apparent volume without its outer silhouette showing a pronounced indentation. If you remember the surface curving but cannot recover its depth direction, write that limitation beside the sketch.

Separate the visible portion from the complete building. A remembered stretch of wall does not establish the shape of the unseen facade, the opposite side, or the full footprint. Draw only enough surrounding structure to locate the bend. Leave the rest open rather than completing a conventional building around it.

For each remembered curved edge or surface trace, identify three landmarks:

• The first visible point where its course begins to turn inward.

• The region of greatest inward departure, if distinguishable.

• The last visible point, noting whether the curve returns, continues, or disappears from view.

These landmarks are a proposed recording aid, not a claim about how every inward curve behaves. A bend need not have a centered deepest point, equal sides, or a visible return. Preserve an uneven or incomplete curve when that is all the image provides.

Draw the contour before adding architectural detail

Use a simple line drawing to establish the wall’s course. The National Gallery of Art describes contour drawing as using long, continuous lines to convey shape and cautions that repeated tracing can produce a scratchy result. Apply that principle by making one readable contour, then placing corrections separately when necessary. Lesson: Drawing Everyday Objects (https://www.nga.gov/educational-resources/lesson-drawing-everyday-objects).

A useful first pass contains the remembered curved boundary and its available endpoints. Add the roofline, base, or adjoining corner only if recalled. You do not need windows, decorative elements, or shading to make this first record complete enough to inspect.

As an illustrative drawing choice, suppose a visible wall edge bows inward between two remembered endpoints. Draw a light, straight guide connecting those endpoints, then draw the remembered curve beside it. Label the straight line “comparison guide.” The separation shows where the drawn contour departs most strongly from that guide; it does not establish an earlier, straight state of the wall.

Use that guide only when it clarifies the visible shape. If neither endpoint is remembered, a precise connecting line would imply more certainty than the record supports. A partial curve with a note such as “upper continuation unclear” is more faithful.

Keep the curvature’s character specific. A long, shallow arc differs from a short, concentrated indentation. A smooth turn differs from a sharp change in direction. Describe those qualities directly instead of using “warped” as the entire account.

Use available edges and empty space as references

Choose a reference because it helps locate the bend and is actually present in the remembered view. A roof edge may locate its upper extent. A corner may distinguish one facade from the next. A visible surface line may show how curvature continues across the wall. None of these features should be added merely because buildings commonly have them.

The empty region beside a contour can provide another reference. City Colleges of Chicago’s architectural sketching resource defines negative space as the area where the object is absent and recommends attending to that space when observing shape. For this scene, the practical adaptation is to record the outline of any remembered background beside the curved wall. Negative Space Drawings (https://www.cccarchitecture.org/negative-space).

As an illustrative example, if a curved side edge borders a plain background, sketch that adjacent empty shape as well as the wall. Check whether the same line describes both boundaries consistently. Do not infer another building, a street, or a particular sky from an otherwise unspecified background.

Perspective also affects the appearance of architectural edges. SketchUp’s official viewing documentation distinguishes perspective views, in which lines converge toward the horizon, from parallel projection. This supplies useful vocabulary for describing a view, although it cannot determine the geometry of a remembered scene. Viewing a Model (https://help.sketchup.com/en/sketchup/viewing-model).

Keep a sloping line and a curved line distinct in the record. A straight edge can run diagonally across the page; an inward-bending contour changes direction along its length. Preserve any remembered convergence while drawing the local bend separately. Do not rotate the whole sketch to make one edge upright, because that would alter the recorded viewpoint.

Preserve the relationship between the wall and its surface

After the main contour is established, add remembered surface features selectively. Record whether a seam, band, or other visible line follows the inward curve, crosses it, stays straight, or becomes obscured. These relationships can explain which part of the exterior appears curved.

The Andy Warhol Museum’s drawing lesson explains how surface patterns can act as cross-contour lines that help describe volume. Applied here, a remembered line on the wall may help communicate its surface direction even when the outside silhouette is inconclusive. This is an adaptation of the drawing concept, not evidence that such a line appeared in the dream. Still Life and Observation Drawing (https://www.warhol.org/lessons/still-life-and-observation-drawing/).

As an illustrative example, a recalled horizontal band might sweep into a recessed portion of the facade while an adjoining corner remains straight. Draw both relationships if they are available. If only the curved band is remembered, keep the corner unspecified. Adding an invented straight corner would create a comparison the scene did not supply.

Keep material identification separate from geometry. A surface may be visibly smooth or patterned without its substance being recognizable. Record the visible quality at that level. Avoid supplying masonry joints, panel divisions, or a glossy finish simply to make the building look finished.

If a tonal boundary is the only indication of the bend, label it as a tonal boundary. Do not automatically turn it into a physical edge. Likewise, leave an uncertain surface junction unresolved rather than drawing a definite crease.

Record a change sequence only when one is available

The phrase “walls curve inward” can describe a fixed appearance or an observed change. Establish which one the record supports. If the walls were already curved in the remembered view, a single drawing may be sufficient. An arrow can indicate inward direction, but label it “direction of curvature” so it does not imply movement.

If a transformation was actually visible, use separate small drawings for the remembered stages. Preserve their order and keep the framing consistent wherever the view stayed consistent. Describe what happened to the same identifiable wall segment in each stage.

Include the earliest remembered state, any distinct intermediate state, and the last remembered state. Do not insert a straight beginning, gradual progression, or final return unless those were visible. Where an interval is missing, write “transition not recalled” instead of drawing an invented intermediate shape.

If the viewpoint also changed, note that change separately. Otherwise, a difference in the wall’s apparent width or position could be mistakenly presented as part of the bend. Keep the account centered on the exterior wall surface throughout; an interior dimension is not a substitute for its visible contour.

Finish with a record that can be read without guessing

Read the description alongside the sketch. Can you locate the inward bend, follow its visible extent, and identify which marks are remembered features? Check that comparison guides are labeled, illustrative choices remain separate, and unknown portions have not acquired detailed architecture.

A concise caption should name the curved part, describe its course, and state the best available reference. For illustration only: “The visible exterior edge bows inward most strongly below its midpoint. Its upper continuation is unclear. The faint straight line connects the remembered endpoints as a drawing guide.” Use that wording only if those details fit the actual image.

The finished record needs enough information to reconstruct the bend’s visible relationships. A partial contour, a reliable reference edge, and a precise note can preserve the scene more faithfully than an elaborate facade assembled from assumptions. Stop when the inward curve is legible and the limits of the remembered view remain clear.

Sources

• National Gallery of Art — Lesson: Drawing Everyday Objects (https://www.nga.gov/educational-resources/lesson-drawing-everyday-objects)

• CCC Architecture, City Colleges of Chicago — Negative Space Drawings (https://www.cccarchitecture.org/negative-space)

• SketchUp Help — Viewing a Model (https://help.sketchup.com/en/sketchup/viewing-model)

• The Andy Warhol Museum — Still Life and Observation Drawing (https://www.warhol.org/lessons/still-life-and-observation-drawing/)