How to Diagram a Remembered Game’s Four-Slot Disks, Rotation and Ball Release

Record the scene with a component sketch and a sequence of panels. Keep each disk’s four slots, rotating apertures, released balls and connecting channels distinct, leaving uncertain geometry explicitly unresolved.

The task is to preserve what the remembered game looked like and how it changed. A useful drawing should let someone distinguish the disk body from its openings, follow the visible release of a ball, and identify the channel it entered wherever that connection is remembered. It need not reconstruct a playable game.

The method below adapts detail drawing, storyboarding and motion-path notation to this specific recording task. These sources explain ways to represent objects and movement; they do not describe the remembered scene. The proposed labels and drawing conventions are illustrative choices.

Establish What Belongs in the Drawing

Begin with a short inventory: disks with four slots, rotating apertures, balls being released, and connecting channels. These are the scene’s supplied features. The number of disks, their arrangement, slot spacing, channel routes, materials and release timing are unspecified. Add those details only where they are actually remembered.

Keep the component names precise. Use “disk” for the circular body, “slot” for each of its four described features, and “aperture” for a visible opening involved in the rotation or release. If a slot and an aperture are the same opening, label that relationship once. If their relationship is unclear, retain the uncertainty rather than drawing an additional moving part.

Separate three kinds of annotation. This example legend provides a compact way to do it:

• Remembered: a visible feature, position or change you can describe.

• Uncertain: a relationship or interval you cannot resolve.

• Drawing convention: a label, guide or arrangement added solely to make the record readable.

For example, “D1” can identify one disk without implying it was the first disk in a route. “S1–S4” can identify its four slots without implying a release order. Put such labels beside the shapes so that they cannot be mistaken for markings on the game.

Draw the Four-Slot Disk Before Mapping the Whole Scene

Start with the clearest remembered disk. Draw its visible outer boundary, then place all four slots relative to that boundary. Preserve whether each slot was enclosed within the face, reached the rim, or had an uncertain edge. A notch at the perimeter and an opening surrounded by material should remain visibly different.

Do not distribute the four slots evenly merely to make the disk look orderly. Four slots establish a count; they do not establish equal spacing, identical shapes or a quarter-turn movement. If only some slot positions are clear, draw those positions and note that the remaining locations are unresolved. Keep the known count in the caption.

Choose a view that exposes the relationship you need to record. A face-on explanatory view may make slot positions easier to compare, but label it as a schematic if that was not the remembered viewpoint. Preserve the remembered angle in a separate sketch when it contains useful information. TeachEngineering’s original detail-drawing lesson explains how different views describe three-dimensional objects on a two-dimensional page. Here, that principle supports using an additional view only when it clarifies a remembered feature. Detail Drawings: Communicating with Engineers (https://www.teachengineering.org/lessons/cub_detdrawings_lesson01)

Use a larger local sketch when the aperture-to-channel junction would otherwise be too small to distinguish. For example, a detail labeled “enlarged junction; proportions approximate” can show which edges meet without claiming measured dimensions. Keep its labels consistent with the overview.

Record material relationships through visible boundaries. Show whether a ball appears within an opening, rests against an edge, overlaps the disk face, or enters the channel. If the ball was partly concealed, draw only the visible portion and explain the concealment. Add thickness, transparency, surface texture or a material name only when remembered; shading alone should not introduce an unseen layer.

Keep Rotating Geometry Separate From Ball Movement

Use different marks for rotation and travel. An illustrative convention is a curved arrow outside the disk for rotation and a short arrow beside successive ball positions for travel. Explain both in the legend. This keeps the curved arrow from looking like another channel.

Place a rotation arrow beside the component known to move. If the disk body and its openings visibly rotate together, carry their geometry together across the panels. If an aperture moves relative to another visible surface, preserve that difference. If you remember openings changing orientation but cannot tell which surrounding parts moved, caption that limit directly.

Keep the viewpoint and orientation of the page stable between successive panels. Otherwise, a change in how the disk is drawn could be read as part of its rotation. When a different view is necessary, mark the change and retain a nearby reference sketch.

Track a particular slot across panels only if its identity is clear. Similar openings can make the start and end drawings ambiguous. A remembered direction can be written in the caption; an unknown turning amount should remain unknown. Do not infer a complete revolution, repeated cycle or fixed increment from the presence of four slots.

Ball position needs its own record. Adobe’s motion-path documentation represents position over time separately from other properties, including rotation. That distinction is useful here: the aperture can rotate while a ball remains in place, and a released ball can travel without evidence of its own spin. Assorted animation tools (https://helpx.adobe.com/after-effects/desktop/animate-in-after-effects/assorted-animation-tools/assorted-animation-tools.html)

Build a Sequence Around the Visible Release

Draw one panel for each distinct remembered state. Storyboards represent a sequence through successive drawings; Adobe’s introduction describes their use in translating a scene into visual panels. For this record, use that sequential structure to retain the observed changes. How to get started on storyboarding (https://www.adobe.com/creativecloud/video/discover/storyboarding.html)

The following is an example panel structure, not a claim that every stage was visible. Include a stage only when the recollection supports it:

1. Before release: show the ball’s visible position relative to the disk and opening.

2. Rotation: show the changed orientation of the relevant apertures and the ball’s remembered position.

3. Release: show the visible transition as the ball leaves its previous position.

4. Channel entry or travel: show the ball in the remembered portion of the connecting channel.

5. Last observed state: stop at the final position or change actually remembered.

Keep the full four-slot structure visible where possible, even when only one opening is involved in a release. A close detail may crop the disk, but its caption should identify the relevant slot and connect it to the complete component sketch.

Give each panel a factual caption naming what changed. For example, “Opening orientation changed; ball position uncertain” is a notation example that separates two observations. “The opening aligned and triggered release” would assert a mechanism, so use that description only if the alignment and relationship were actually visible.

When the transition itself is missing, leave an explicit gap between the last pre-release state and the first post-release state. A caption such as “intermediate position not recalled” preserves the sequence without supplying an invented frame. Numbered panels can establish order without assigning seconds, speed or equal intervals.

If several disks moved, show their simultaneous states together only when their timing relationship is remembered. Otherwise, make separate local sequences and note that their relative timing is unresolved. Preserve every remembered change without joining separate fragments into an unsupported chain.

Map Channels Without Inventing a Route

Draw each channel as a physical feature before adding any ball-travel marks. Use its remembered boundaries where visible. Then place the ball positions or travel arrows inside or beside that geometry. A channel records where a passage exists; a trajectory records where a ball was seen moving.

For every visible junction, record which channel boundary meets which disk edge or opening. Preserve offsets, gaps and overlaps when remembered. A channel drawn near a disk should not appear attached merely because the diagram is crowded.

If a connection is known but its course is not, state “connection remembered; route unspecified” beside the relevant labels. Avoid drawing a convenient connecting curve. If only a short stretch is visible, end the sketch at that limit and annotate the continuation as unknown.

Do not turn a crossing into a junction unless the scene supports it. Likewise, a ball entering one channel does not establish its destination, a return route or the order in which other disks operate. Stop the travel record at the last observed position.

Use numbered positions rather than a smooth continuous path when only separate locations are remembered. Adobe’s motion-path guide explains that regularly sampled position marks can also communicate relative speed through their spacing. Because a remembered diagram may lack that timing information, label its positions as sequential observations rather than equally timed samples. Assorted animation tools (https://helpx.adobe.com/after-effects/desktop/animate-in-after-effects/assorted-animation-tools/assorted-animation-tools.html)

Check the Drawing at Three Critical Boundaries

Read the sketch once for components, once for movement and once for connections. This three-part check is a proposed decision aid for this scene: it tests whether the drawing preserves the distinctions that make the mechanism recognizable.

• Disk to aperture: Can you identify the disk body, account for its four slots, and distinguish solid edges from openings?

• Aperture to ball: Can you follow the visible change from the ball’s earlier position to its released position, with any missing interval marked?

• Ball to channel: Can you distinguish the physical passage from the travel marks and see where the observed movement ends?

Correct any mark that answers more than the recollection supports. Remove an unremembered channel bend, separate an uncertain junction, or replace an exact angle with a written uncertainty. Retain uneven spacing or an awkward connection when that is what the scene supplies.

The finished record should contain a recognizable four-slot component sketch, the remembered rotation and release sequence, and only the channel geometry supported by the scene. Its useful detail lies in the relationship between those parts: what moved, where the ball became released, and which visible passage received it. Let the drawing end wherever the remembered scene ends.

Sources

• Detail Drawings: Communicating with Engineers — TeachEngineering (https://www.teachengineering.org/lessons/cub_detdrawings_lesson01)

• Assorted animation tools — Adobe After Effects (https://helpx.adobe.com/after-effects/desktop/animate-in-after-effects/assorted-animation-tools/assorted-animation-tools.html)

• How to get started on storyboarding — Adobe (https://www.adobe.com/creativecloud/video/discover/storyboarding.html)