How to Draw a Dream Aquarium With Fish Inside Its Glass Walls and Floor Around a Central Swing

Draw the glass walls and floor as fish-containing boundaries, then place the swing in the central space they surround. Establish those relationships before adding fish details, glass highlights or color.

This guide is for a reader turning that specific fictional scene into a clear drawing. The essential task is to show where everything belongs: fish within the glass walls and floor, and a swing in the space between those boundaries. The drawing methods below are proposed applications of established art concepts; the sources explain those concepts, not this dream scene.

Establish the Scene’s Spatial Relationships First

Begin with a short factual description beside your working sketch: “Glass walls and a glass floor contain fish around a central swing.” Keep that sentence visible while drawing. It gives you a practical reference when an attractive detail starts changing the arrangement.

Separate the scene into three components:

• The upright glass boundaries containing fish.

• The glass floor containing fish beneath its upper surface.

• The central space containing the swing.

The floor remains beneath the central space; leaving that space free of fish does not mean drawing a hole beneath the swing. Likewise, fish visible behind the swing may belong to a distant wall. Their position on the page alone does not establish their position within the scene.

The supplied description does not specify the enclosure’s outline, exact dimensions, fish species, colors or suspension attachment. Leave those details unresolved where possible. When a drawing needs a concrete choice, identify it as an illustrative choice rather than part of the supplied scene. A rectangular enclosure, for example, is one useful construction exercise, but its shape is not established by the description.

For this scene, use a two-part check: first identify which surface contains each fish, then identify what separates that fish from the central space. This check is more useful than counting decorative details because it tests the material relationship that makes the scene distinctive.

Choose a View That Shows Both Walls and Floor

Try a small thumbnail before making a detailed drawing. Give enough page area to the floor that its fish remain visible, while retaining upright boundaries around the swing. A view that reduces the floor to a narrow strip makes one of the scene’s essential features difficult to record.

For an illustrative rectangular version, a view facing the back wall offers a manageable starting point. Show the back wall, portions of both side walls and a broad foreground floor. This is a suggested drawing arrangement, not a claim about an unseen original layout.

Linear perspective can organize that example. The Museum of Science, Boston explains that the horizon represents the viewer’s eye level and that receding parallel edges directed toward a vanishing point can align features such as walls and paving. Apply that construction to the enclosure’s edges. Activity: Linear Perspective (https://www.mos.org/leonardo/activities/perspective.html)

Draw a light back-wall rectangle, then extend construction lines from its corners toward the page edges, following lines that would meet at your chosen vanishing point. The lower pair establishes the wall–floor junctions; the upper pair helps establish the side walls’ extent. Keep vertical edges vertical in this example, with the back wall parallel to the picture plane.

Place the horizon high enough within this example to leave a useful floor area below it. Keep it a construction guide rather than a visible stripe across the finished glass. Do not send every line in the picture toward the vanishing point: only the relevant family of parallel edges receding in that direction follows it.

If the intended enclosure has a different shape, preserve that shape and use a view suited to it. The purpose of the thumbnail is to make the supplied relationships readable, so a convenient rectangular exercise should never become an assumed fact about the scene.

Show Fish Within the Glass Boundaries

Outline the major boundaries before drawing individual fish. Establish where the upright walls meet the floor, where visible corners occur and which edges distinguish one plane from another. Those junctions provide the framework for locating the fish.

For an illustrative way to communicate containment, add a narrow second edge at selected visible wall ends and along a foreground floor edge. Place fish between the indicated boundary faces. The paired edges are a drawing convention proposed here to explain thickness; neither their width nor a particular construction is specified in the scene.

Avoid outlining every edge twice. Start with one clearly readable wall edge and one floor edge. If these establish the intended material relationship, additional bands may add clutter without explaining anything new.

Sketch simple fish silhouettes inside each assigned boundary. An oval or tapered body with a tail is sufficient for the first pass. Mark their locations lightly before adding fins or markings, so that moving a fish does not require rebuilding a finished detail.

Keep a working label beside uncertain placements: “left wall,” “back wall” or “floor.” A fish that cannot be assigned to a boundary needs its position clarified. Move it, clarify the nearby edge or add a short annotation rather than allowing it to appear suspended beside the swing.

Fish within the floor need particular attention. Place their bodies visibly beneath the floor’s upper boundary in any exposed edge detail. In the main view, use their relationship to that floor plane to locate them. Do not turn them into fish-shaped marks resting on top of the floor.

For illustrative fish of comparable size, you can draw nearer examples larger than distant ones. The National Gallery identifies this change in apparent size as a basic cue for depicting depth. If the fish have different actual sizes, however, size alone cannot establish their distance. Perspective (https://www.nationalgallery.org.uk/paintings/glossary/perspective)

Do not squeeze every floor fish into the same flattened silhouette merely because the floor recedes. First decide the example fish’s orientation within its containing layer, then draw the corresponding view. A simple, clearly located body is more useful here than elaborate anatomy with an ambiguous position.

Place the Swing Within the Central Space

Once the boundaries are legible, draw the swing’s seat and visible suspension lines. Keep the swing centrally placed relative to the enclosure rather than automatically centering every component on the sheet. Page cropping and viewpoint can affect where the enclosure’s center appears.

In the rectangular example, lightly cross the floor’s diagonals to locate its center in perspective. Use a vertical guide through that point to help position the seat above it. This is a construction aid for the example, not an added feature of the fictional setting. Remove the guide afterward.

If the suspension attachment is unspecified, let the visible lines continue to the top crop and note “attachment unspecified” beside the working drawing. There is no need to invent an overhead beam or a glass ceiling to complete the record.

Check the spaces beside the seat and between its suspension lines. Getty describes negative space as the area around the primary objects in an artwork. Here, examining those shapes offers a practical way to judge whether the swing remains distinct from the surrounding boundaries. Understanding Formal Analysis (https://www.getty.edu/education/teachers/building_lessons/formal_analysis.html)

The background visible between the suspension lines can still contain wall fish. What matters is their depth assignment. Where the seat passes in front of a distant fish, interrupt the fish’s contour at the seat. York University’s Drawing Essentials Series explains overlap as placing one object behind another so that it is partly hidden. Drawing Essentials Series (https://www.yorku.ca/colleges/ccsc/drawing-essentials-series/)

Avoid drawing an uninterrupted fish contour through an opaque seat. At the same time, do not erase every background fish near the swing just to make the center blank. Preserve the distinction between objects occupying the central space and objects seen beyond it.

Add Glass Cues Without Obscuring the Arrangement

Make a clean line drawing before adding tonal effects. Give structural junctions a consistent line, keep fish contours readable and remove construction lines that no longer explain the space. Getty notes that line can vary in width, direction and length and can define a form’s edges; those options provide enough vocabulary for a restrained first pass. Understanding Formal Analysis (https://www.getty.edu/education/teachers/building_lessons/formal_analysis.html)

As an illustrative finish, try a few pale highlight strokes across selected glass areas and a slightly stronger line along an exposed edge. Test these on a small study first. Their role in this drawing is to distinguish the glass boundary while keeping its fish visible.

A blue-green tint is another optional example, not a supplied color. If used, confine it to the fish-containing boundaries rather than filling the entire central space with the same wash. Keep enough difference between the boundary treatment and the swing to preserve their separation.

Use surface accents sparingly around wall–floor junctions. Heavy bands can make the boundaries appear opaque, while numerous crossing strokes can obscure which marks describe glass and which describe fish. Add one cue at a time and stop when the relationship is clear.

Resolve Ambiguities Before Finishing

Read the drawing in a fixed order: upright walls, floor, swing, then individual fish. This sequence tests the enclosure before its details. If an area is confusing, repair the relevant boundary or overlap before adding more decoration.

Use these specific corrections:

• If fish seem to occupy the central space, assign them to a wall or floor and clarify the separating boundary.

• If floor fish resemble surface patterns, strengthen one exposed floor edge and show their position beneath its upper face.

• If a wall fish crosses onto the floor without explanation, move it fully into its assigned boundary or clarify the corner relationship.

• If the swing merges with the back wall, check its seat contour and the interruptions of background contours behind it.

• If the glass seems opaque, reduce broad shading and retain only the edge and surface cues needed to explain it.

For a final caption, a literal sentence is enough: “A central swing is surrounded by glass walls and a glass floor containing fish.” Keep any notes about illustrative dimensions, colors or enclosure shape separate from that description.

Finish when the drawing communicates the complete arrangement: fish belong within the glass boundaries, the floor continues beneath the center, and the swing occupies the space those boundaries surround. Further detail should make those relationships easier to see.

Sources

• Museum of Science, Boston — Activity: Linear Perspective (https://www.mos.org/leonardo/activities/perspective.html)

• The National Gallery, London — Perspective (https://www.nationalgallery.org.uk/paintings/glossary/perspective)

• J. Paul Getty Museum — Understanding Formal Analysis (https://www.getty.edu/education/teachers/building_lessons/formal_analysis.html)

• York University, Calumet & Stong Colleges — Drawing Essentials Series (https://www.yorku.ca/colleges/ccsc/drawing-essentials-series/)