One subject in a mirror: check the reflection and the glass boundary

01Prepare the inputs

1. Use a source with one real object, one readable reflection and the whole mirror frame visible. The supplied bottle has a simple silhouette so subject count and neck proportions can be checked.
2. Keep the object and reflected image visually separate. If they overlap heavily or the mirror edge is cropped, start with a clearer composition.
3. Plan a short tabletop slide that keeps the reflection inside the mirror. Reflection geometry depends on the mirror plane and viewpoint; do not apply a blanket screen-left/screen-right inversion rule.
4. For exact product reflectance or strict mirror geometry, use a controlled capture, compositing or a three-dimensional render. This task judges visible continuity and boundary behavior.

02Prompt and procedure

Copyable prompt

Start from the uploaded scene with one physical bottle on the tabletop and its one reflection inside the framed mirror. The mirror, tabletop, camera and lighting stay fixed. The physical bottle slides slowly a short distance to the right while remaining upright and in contact with the table. Its corresponding reflected image moves coherently inside the mirror for the same action and stops when the bottle stops. Preserve the bottle silhouette, neck proportions and single cap in both views. Keep reflected content confined to the glass area without spilling across the frame or becoming an extra physical bottle. Finish with both views still. No camera move, no duplicate product, no changing mirror frame.

1. Separate object from reflected image

   Count one physical bottle on the table and one image inside the mirror before running. Treat the reflected bottle as linked content, not a second actor with its own action.

2. Set a short paired action

   Write one rightward slide with an upright bottle and a simultaneous reflected response. Keep the mirror and camera fixed so their movement cannot explain a drifting reflection.

3. Inspect the glass edges during motion

   Check the reflection nearest the frame at mid-slide. It should stay confined to the glass; it must not paint over the frame, appear on the wall or continue as a physical bottle in front of the mirror.

4. Compare the two stopping states

   Sample just before motion, during the slide and the final hold. Check shared start/stop timing and coherent cap/neck shape. If exact reflected geometry is required, move to capture or compositing rather than labeling a plausible view as verified.

03Check the result

• There is one physical bottle and one corresponding reflected image.
• The mirror frame remains fixed and keeps its original shape.
• The physical bottle slides once while upright and supported by the table.
• The reflected image responds during the same action and holds when the bottle holds.
• Bottle silhouette, neck proportions and cap count remain coherent in both views.
• Reflected content stays inside the glass and never paints over the frame.
• No extra physical bottle appears outside the mirror during the final hold.

04Troubleshoot and finish

End with the upright bottle and its reflected image both still, each in the correct region of the scene. Record continuity and clipping results separately from any unresolved geometric accuracy.

05Download the practice files

• Original illustrated practice input ↓
• Editable original source SVG ↓
• English task brief ↓
• Chinese task brief ↓
• Bilingual inspection sheet (blank results) ↓
• English practice instructions ↓
• Chinese practice instructions ↓