ItemlumeITEMLUME / GUIDE LIBRARY
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52 specific reference-photo problems
Changed chain links, incorrect knit construction, invented food interiors or ambiguous controls? Browse the complete capture and review collection. Each guide provides a distinct evidence procedure and manual card; these are editorial workflows, not 52 claimed generation tests.
Why do necklace chain links merge together in AI product photos?
Give the generator a reference in which individual links and their openings are visible. A smooth silver outline cannot establish how a chain is constructed.
Why does AI change the cable pattern on my knitted sweater?
Show a complete cable repeat and where it joins the neckline or hem. A texture close-up without its position cannot establish the sweater’s construction.
How do I prepare an ice-cream reference before the scoop melts?
Finish the lighting and framing before placing the actual scoop on set. Photograph a short, documented sequence and select the state that represents the intended serving.
Why does my rigid-box corner look perfect in a render but bulky in the sample?
Review the real wrapped corner from outside and inside, including the cover-paper overlaps. A render often treats the box as a seamless solid.
52 new questions: from evidence to delivery
This collection adds 52 independent questions, each with a question-specific manual worksheet. They address product evidence, conditional claims, physical packaging, garment print handoffs and video delivery. Translations are not counted as additional topics.
Which modular-product combinations have actually been verified to work?
Learn how to document tested modular furniture connections, separate verified arrangements from AI concepts, and build a three-module compatibility matrix.
Which images in a mixed real-and-AI product library can support a factual claim?
Classify real photos, product composites, AI illustrations, and unknown-source assets by what they can prove, using a practical image evidence register.
Which brand-asset changes may an agency make without fresh approval?
Define which brand assets an agency may reposition, modify, or redistribute, with clear permission scopes, approval owners, expiry dates, and four-party handoff records.
How do I organize several gallery views for each Shopify product variant?
Separate Shopify's assigned variant image from a theme's grouped gallery, then test front, side and detail views without showing the wrong product option.
How do I distinguish artwork, material and application causes of label bubbles?
Diagnose real label bubbles and edge lift with controlled supplier-led samples, separating artwork, surface, application and material observations without universal remedies.
Can a smaller safety-review copy preserve the original 4K storyboard output?
A bounded Itemlume case separates the original 4K storyboard from its safety-review copy, checks hashes, and explains what a successful review does not prove.
See an original reference and real outputs
The product image workflow example shows one owned headphone reference with real selling-point, scene and detail results, including rejected directions and the remaining limitations. Use it alongside the guides when preparing your first test.
New questions and Chinese editions
The 13 October 2026 collection adds 104 independent diagnostic topics. The Chinese guide library has 208 Chinese editions; translations are not counted as new independent topics.
Can a polarizing filter remove glare without changing how my product surface looks?
Use paired polarized and unpolarized product photos to reduce glare while checking that gloss, texture, color, and shape still match the physical item.
Why can I still see the old background through my glass product after a cutout?
A glass cutout can remove the outer backdrop while preserving its reflection inside the bottle. Separate outer, internal, and label faults before deciding whether to reshoot or composite externally.
Why are there two reflections underneath my product photo?
Learn how to tell a mirror or acrylic double image from an added reflection, then verify the contact point with a same-camera comparison before approving the product photo.
How do I show an iridescent product when its color changes with the viewing angle?
Record an iridescent product as one SKU with documented angles, lighting and observed appearance instead of presenting one synthetic color as a fixed finish.
Why did extending my product photo add another handle or cap at the edge?
Review newly generated margins separately from the original product photo, count components, and stop expansion when an extra handle or cap changes what buyers see.
Why does my WebP work as a product image but fail as a Shopify collection image?
Fix a Shopify collection-cover WebP rejection by checking the destination, converting a separate delivery copy and preserving the approved product image.
New diagnostic questions
104 new independent topics cover photographic evidence, store publishing, production handoffs and search discovery. Each has a manual review worksheet. Chinese translations answer the same question and are not counted as extra topics.
Can a polarizing filter remove glare without changing how my product surface looks?
Use paired polarized and unpolarized product photos to reduce glare while checking that gloss, texture, color, and shape still match the physical item.
Read guide DIAGNOSTIC GUIDEWhy is my logo tiny inside a large empty box after SVG export?
Diagnose a tiny logo inside a large SVG by comparing artwork, artboard and viewport bounds. Test a copy in the same header while preserving brand spacing.
Read guide DIAGNOSTIC GUIDEWhy does phone footage drift out of sync after I combine it with an AI advertisement?
Locate audio drift in a phone clip, its converted copy, or the assembled advertisement with start, middle, and end checks before blaming AI generation.
Read guide DIAGNOSTIC GUIDEShould I write an English brief when I want a French product description?
Turn a brief in one language into product copy in another without changing names, quantities or limitations. Review meaning with a protected fact-and-term list.
Read guide DIAGNOSTIC GUIDEHow do I keep wallpaper repeat size and seams accurate in a room mockup?
Tie wallpaper pattern repeat, roll seams, and room scale to real supplier measurements before accepting an attractive AI room mockup as a product representation.
Read guide DIAGNOSTIC GUIDEWhy does a packaging QR code fail, and which stage should I check first?
Check a packaging QR code on a representative physical proof, protecting its clear border and actual size. Verify scanning and the reached destination separately.
Read guideStart with a practical answer
Review a complete nine-shot campaign, distinguish a clean creative from verified evidence, or prepare an honest publishing record. These selected answers are part of fifty-two new original guides.
Why can a 15-second TVC require more than 15 seconds of video generation?
Budget a nine-shot advertisement from generated clip lengths, storyboard images and retakes rather than the final edit alone.
Read guide FOUNDATION GUIDEHow do I choose one of four storyboard options without voting for the prettiest sheet?
Compare four TVC design sheets using product evidence, nine-shot coverage and feasible actions before selecting one.
Read guide FOUNDATION GUIDEHow do I make a product guide answer an AI shopping question without stuffing keywords?
Turn a specific buyer decision into a visible answer, verified attributes and limitations that people can inspect.
Read guide FOUNDATION GUIDEHow should I test a new image model before switching my whole product catalog?
Use a fixed product/reference task set and defect categories to compare an image model change without claiming a benchmark from a few previews.
Read guide FOUNDATION GUIDEHow should AI describe a refurbished item without hiding its actual defects?
Separate the seller’s condition grade, inspection record and unit-specific defects before writing a refurbished listing.
Read guide FOUNDATION GUIDEMy sitemap has more pages than the indexing report. Which count is current?
Compare report update dates, sitemap reads and individual URL evidence before diagnosing newly published pages.
Read guideProduct images
Why is there a rectangle around my product photo on a colored store background?
Diagnose a visible rectangle by separating the image's baked-in color or transparency from the store theme container, then test the same file on contrasting backgrounds before editing.
Read guide DIAGNOSTIC GUIDEDoes changing a product photo from 72 DPI to 300 DPI make it sharper online?
Learn why DPI metadata does not sharpen a product image online, how pixel dimensions affect delivery, and how to compare two identical 1600-pixel exports before publishing.
Read guide DIAGNOSTIC GUIDECan I recover the label hidden by a blown-out reflection in my product photo?
Diagnose whether a reflective glare still contains recoverable label detail, then decide between exposure correction, a reshoot, and clearly verified text replacement.
Read guideImage remix
What contact details and QR codes should I check in a supplier-reference remix?
Audit supplier-reference remixes for visible and hidden contact details, QR codes, and source remnants before manual marketplace publishing.
Read guide DIAGNOSTIC GUIDEHow should a presale creative separate the deposit, balance and total price?
Make a presale creative explain deposit, required balance and total price. Match each amount and date to actual order terms before publishing the promotion.
Read guide DIAGNOSTIC GUIDEHow do I separate a one-time customization setup fee from the per-item price?
Separate a one-time setup charge from the charge for each item, then show what the quoted total actually purchases.
Read guideA+ product pages
How do I say an accessory fits a device without claiming full compatibility?
Explain physical fit, interface behavior, and tested devices separately so an accessory listing is useful without promising unverified compatibility.
Read guide DIAGNOSTIC GUIDEShould I advertise the rated capacity or the usable capacity?
Separate brim-full volume, recommended fill and electronic rated capacity in A+ content. Show units and test conditions so buyers can compare like with like.
Read guide DIAGNOSTIC GUIDEWhich weight belongs in a product description: the item or the packed parcel?
Separate item net weight, bundle weight and packed shipping weight so product details stay accurate and delivery estimates use the right figure.
Read guideProduct videos
Why does my product ad start on a black frame after export?
Diagnose an exported product ad that opens on black by checking the first decoded frame, fade timing, poster use, and player behavior.
Read guide DIAGNOSTIC GUIDEWhy does my vertical product video have black bars on every side?
Diagnose double padding in a portrait product video by comparing source, sequence, and nested-player ratios before cropping or regenerating.
Read guide DIAGNOSTIC GUIDEHow long should the final product-ad message remain on screen?
Set final CTA time from real words, language expansion, and phone reading tests instead of assuming one universal platform duration.
Read guideLogo studio
Why does my logo disappear when used as a browser favicon?
Learn why a detailed logo fails at favicon size and how to create a legible symbol, transparent file and light-dark browser variant.
Read guide DIAGNOSTIC GUIDEWhy does a social-media avatar cut the corners off my logo?
A square logo can lose important corner details inside a circular avatar. Learn how to mark the mask-safe area, test the real preview, and decide whether the mark needs a responsive version.
Read guide DIAGNOSTIC GUIDEDo I need both horizontal and stacked versions of a new logo?
Use horizontal and stacked logo versions to keep the same identity readable across wide headers, narrow labels, and small product surfaces.
Read guidePackaging studio
Why does the same packaging color look different on kraft and white board?
Learn why one packaging color shifts across kraft and white board, how to separate substrate effects from print settings, and how to review a physical proof without treating a screen mockup as final color approval.
Read guide DIAGNOSTIC GUIDEWhy does printing on the back show through the front of my package?
Learn how substrate opacity, ink coverage, lighting and physical double-sided samples affect package show-through before artwork approval or production.
Read guide DIAGNOSTIC GUIDEWhy is a packaging panel upside down after the box is folded?
A carton panel can read correctly in a flat file yet turn upside down on the folded box. Use the supplier’s orientation marks, build a paper sample, and freeze the approved dieline revision before adjusting artwork or releasing production files.
Read guideVirtual try-on
Should my clothing size chart show body measurements or garment measurements?
Label clothing size charts as body or garment measurements, explain flat widths and circumference, and keep unknown ease separate from fit advice.
Read guide DIAGNOSTIC GUIDECan I remove hanger marks without changing a garment’s shoulder shape?
Separate temporary hanger bumps from a cardigan’s designed dropped shoulder, then use supported references to correct the image without reshaping its cut.
Read guide DIAGNOSTIC GUIDEHow do I show a sheer garment without making it look opaque?
Review sheer fashion images by separating the garment, actual underlayer, background and lighting, so transparency remains visible without turning unsupported appearance into a wear or performance claim.
Read guideAI models
How do I keep the model’s jewelry out of my product advertisement?
Separate identity cues from jewelry cues before generation so the model remains recognizable while rings, watches, and bracelets stay out.
Read guide DIAGNOSTIC GUIDEWhy does a model’s hand look like it is passing through my product?
Diagnose hand, grip, contact, and rigidity errors in product videos, then simplify the pose and verify the product’s function with real footage.
Read guide DIAGNOSTIC GUIDEWhy are the feet and shoes inconsistent across my AI model images?
Diagnose changing feet and shoes in AI model images by separating identity evidence from product references, then check crop, ground contact and framing.
Read guideAssets & tasks
Should a Chinese product guide point its canonical URL to the English version?
Learn when English and Chinese product guides need self-canonical URLs, reciprocal hreflang, and separate indexing checks instead of one shared canonical target.
Read guide DIAGNOSTIC GUIDECan I change an article’s structured-data date without updating the visible date?
Keep structured-data dates aligned with visible article history. Separate original publication from substantive revision, record evidence, and fix mismatches before release.
Read guide DIAGNOSTIC GUIDEWill FAQ schema still give my ecommerce guide expanded Google results?
FAQ schema can preserve valid page semantics, but it does not restore Google FAQ rich results or guarantee indexing, ranking, or AI citation.
Read guideCredits & account
Why can a 15-second TVC require more than 15 seconds of video generation?
Budget a nine-shot advertisement from generated clip lengths, storyboard images and retakes rather than the final edit alone.
Read guide FOUNDATION GUIDEWhen should I retake one TVC shot instead of regenerating the whole advertisement?
Localize a nine-shot film defect and approve a separate retake only when the remaining shots and plan are still usable.
Read guide QUESTION GUIDEHow do you budget for a finished campaign rather than just generated files?
Separate generation credits from editing, voice, factual review and channel delivery when estimating a creative project.
Read guidePrepare a useful review record
Download the manual TVC, model pilot, catalog identity and search evidence worksheets. They contain fictional sample rows and do not connect to stores, call models or update accounts. Try the public creative brief builder for a local text draft without signing in.
Read the guides publicly, then use the corresponding private workspace when you are ready. Text planning is free under the current scope; chargeable media operations require the displayed quote and available credits.
Frequently asked questions
Where are the other articles?
Each category page contains its complete current article list. All guides remain reachable through public links and the sitemap.
Do I need an account to read?
No. The public English articles and manual worksheets are readable without signing in.
Are the examples guaranteed results?
No. Fictional exercises explain decisions. Actual tests state their scope and limitations.
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