1. Lead with a keyword sentence, not your creative story
The first sentence of your description is indexed by search engines and shown in marketplace previews. Use it to name exactly what the model is, in language buyers actually type.
Compare these two openings:
✗ Creator-focused (invisible to search)
"This is my take on a classic fantasy warrior — spent three weeks on the pauldron details. Hope you love it!"
✓ Buyer-focused (ranks + converts)
"Armored knight miniature STL — 28mm tabletop scale, FDM-ready with pre-generated supports for PLA. Includes three pauldron variants."
The formula: [Subject] [Type] [Format] — [Scale or Use], [Print readiness]. [Variants or bonuses]. Get format (STL, GLB, 3MF), use case (tabletop, cosplay, architectural), and a differentiator into the first two sentences. Everything after that is supporting detail.
2. Describe what the buyer receives — not what you made
Buyers care about outcomes, not process. They're asking: what files do I get, will they print without issues, and what will the result look like? Answer those three questions explicitly and you remove the hesitation that causes bounces.
Template: "What you get" block
- ✓ Files included: STL (pre-supported + unsupported), 3MF (Bambu Studio config included)
- ✓ Scale: 28mm heroic scale for tabletop RPG; printable at 32mm or 54mm without mesh distortion
- ✓ Poly count: 380k triangles — high detail, prints cleanly on FDM at 0.1mm layer height
- ✓ Tested on: Bambu X1C (PLA), Elegoo Saturn 3 (resin at 0.05mm)
Including polygon count and tested printer model signals to buyers that you are a professional creator who knows what they're selling — not someone who exported a draft and hoped for the best.
3. Print settings reduce uncertainty — and refund requests
A buyer who fails a print and doesn't know why will blame your file. A buyer who follows your settings and fails will know it's a calibration issue on their end. Print settings in the description shift responsibility clearly and reduce the support burden on you.
Minimal print settings block
If your listing is on Proofly, the Print tab renders these settings in a dedicated UI section — separated from the main description — so buyers can find them at a glance without reading the full text.
4. Bundle the trust signals at the end
The last paragraph of a description is read by buyers who are already close to purchasing but need one more reason to commit. Use it to address the two silent objections every digital-file buyer has: Is this legit? and What if I have a problem?
Address both directly:
Example closing paragraph
"Every download is protected by HiddenMark™ — a per-buyer mesh watermark that lets me trace any unauthorized redistribution. If you have a print issue, send a photo and I'll help. Rated by 47 buyers · avg 4.9/5."
Three elements in one sentence: piracy protection (signals professionalism and deters redistributors), support commitment (removes risk), and social proof (star rating + count). That combination closes more sales than any amount of feature description.
✓ On Proofly: HiddenMark activates automatically
You don't configure anything — every paid download gets a unique per-buyer watermark embedded into the mesh geometry. The HiddenMark™ badge appears on your listing automatically, acting as a visible trust signal for every visitor. How it works →
5. Tags and description work together — use both
Tags on Proofly are indexed separately from the description. Don't repeat your tags word-for-word in the text — use natural synonyms. If your tags are dragon, miniature, tabletop, your description should include fantasy creature, RPG figurine, tabletop gaming — related terms that capture different search intents without keyword stuffing.
Proofly's search engine uses a synonym map that automatically expands queries — someone searching for miniature also sees results tagged with figurine, tabletop, DnD, warhammer. This means your description doesn't need to include every possible synonym manually. Focus on clarity for the human reader; the synonym expansion handles discoverability.
Quick checklist before you publish
- ☐ First sentence includes: model type + format + scale or use
- ☐ "What you get" block: file count, formats, poly count, tested printer
- ☐ Print settings: layer height, infill, supports yes/no, material
- ☐ Closing: HiddenMark note + support offer + star rating (once you have reviews)
- ☐ Tags: 5–10 specific terms, no repetition with description keywords
- ☐ Word count: 150–300 words total
Frequently asked questions
What should I include in a 3D model description?
Cover: (1) keyword sentence — model type + format + scale/use, (2) what they receive — file count, formats, poly count, (3) print settings — layer height, infill, supports, material, (4) closing trust block — HiddenMark protection, support offer, star rating. 150–300 words total.
How long should a 3D model description be?
150–300 words. Long enough to answer what they get and how to print it; short enough to read in 30 seconds. Use bullet points for print settings — buyers scan, not read.
How do I use keywords in a 3D model description?
Put your primary keyword (model type + format) in the first sentence naturally. Repeat the format (STL, 3MF) and use case once more in the body. Don't stuff — 2–3 natural mentions is optimal. Proofly's synonym expansion handles related searches automatically.
Should I mention print settings in my 3D model description?
Always. Print settings (layer height, infill, supports, material) reduce buyer uncertainty and cut support requests. A buyer with clear settings knows what to expect — and when a print fails they know whether it's the file or their calibration.
Does a good 3D model description help it rank higher in search?
Yes — marketplace search indexes your title, description, and tags. A description naturally using the format (STL), use case (tabletop RPG), and attributes (28mm, FDM-ready) ranks for those terms. Proofly's synonym search expands reach further: 'miniature' also surfaces 'figurine', 'tabletop', 'DnD' listings.
Put it into practice now.
Proofly gives you a structured description editor, HiddenMark™ per-buyer watermarking, and an in-browser 3D viewer — free to list, 0% commission.