r/3DScanning
3D Scanning. A place to post news, discussions and personal projects.
Founded December 2012 · Public — anyone can post
A place to share insights, ask questions and stay updated with the latest trends and innovations in 3D scanning. ===> Critical comments are accepted or rejected according to the following: Criticisms of a specific model scanner or app with details that explain the assertion are allowed. Blanket criticisms of a company or its products that have no supporting details will be deleted and the poster banned (first for 3 days, then forever if they don't learn to improve their behavior).
Members
51,021
51K
Online now
—
not captured in the last snapshot
Posts per day
—
no sample yet
Comments per post
—
no sample yet
Growth · 7d
—
not enough history yet
Growth · 30d
—
not enough history yet
Published rules
5
2 mention promotion — quoted below
Last post
—
no sample yet
Distinct posters
—
no sample yet
Tracking since Sep 5 · growth spans are the real distance between snapshots, not rounded windows. Posts/day is measured from the community’s own newest posts on Reddit, not from what Prowlo happens to crawl.
Member growth
Tracking since Sep 5 — growth charts appear after a week of history.
What works in r/3DScanning
Every post in a recent sample, labelled by format. Share is how much of the sample used that format; average score is how it performed.
| Format | Share of posts | Avg score |
|---|---|---|
| Lessons / story | 38% | 222 |
| Show & tell | 25% | 210 |
| Question | 18% | 15 |
| Promo | 7% | 108 |
| Tool comparison | 6% | 25 |
| Discussion | 3% | 0 |
| How-to | 1% | 118 |
| Rant | 1% | 19 |
| News / link | 1% | 1 |
Based on 72 posts sampled in September 2026. A sample, not the full history.
- Median score
- 31
- Top 10% score
- 294
- Text posts
- 14%
- Got no replies
- 13%
- Busiest windows
- Wed 10:00 UTC, Thu 06:00 UTC
Posting rules, in plain words
Self-promotion is judged case by case.
- Limited Advertising: Advertising or sale posts must contain at a minimum an image of a unique scan created with the associated device to give some educational value
- Stay On Topic: Ensure your posts and comments are relevant to 3D scanning.
- No Malicious Content: No blatant shilling for one manufacturer by disparaging another.
Quoted from the community’s own published rules. Always re-read them before posting.
What a good comment looks like here
- — Offers practical advice or alternative solutions.
- — Shares personal experience with specific tools or techniques.
- — Asks clarifying questions to understand the problem better.
- — Provides specific technical details or comparisons.
- — Expresses appreciation or positive feedback for the original poster's work.
- — Discloses affiliation when promoting a personal project.
What r/3DScanning's rules say about promotion
2 of 5 published rules mention promotion, advertising or spam. Quoted from the community's own rules page, not summarised.
Limited Advertising
rule 2 of 5
Advertising or sale posts must contain at a minimum an image of a unique scan created with the associated device to give some educational value
Removal reason shown to posters: 2. Limited Advertising
No Malicious Content
rule 4 of 5
Do not post any malicious or harmful content, including viruses, malware, or links to unsafe sites. No blatant shilling for one manufacturer by disparaging another.
Removal reason shown to posters: No Malicious Content.
The other 3
- Be Kind and Respectful
- Stay On Topic
- Respect Privacy
Read from r/3DScanning’s published rules on Sep 5. Communities change their rules without notice and enforce requirements (karma, account age, flair) that may live in the sidebar or automod rather than here — the source page is the authority.
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See the full lists on similar subreddits.
r/3DScanning — frequently asked
How many members does r/3DScanning have?
r/3DScanning has 51,021 members as of our most recent crawl on Sep 5. Prowlo re-checks tracked communities on a rolling schedule, so this figure moves rather than sitting frozen at whatever it was when a scraper last ran.
Is r/3DScanning growing?
We don't have 30 days of snapshot history for r/3DScanning yet, so we're not going to invent a growth number. We've been tracking it since Sep 5; the chart fills in as history accumulates.
How active is r/3DScanning?
We don't have a reliable posting-rate sample for r/3DScanning yet. Subscriber count alone is a poor guide to whether a community is active, so treat this one as unverified until the next sample lands.
When was r/3DScanning created?
r/3DScanning was founded in December 2012 and is a public — anyone can post community. Age matters: an older community with steady growth has survived Reddit's moderation churn; a young one with a spike may not.
Can I promote my product in r/3DScanning?
r/3DScanning publishes 5 rules and 2 of them address promotion. The first, “Limited Advertising”, says: Advertising or sale posts must contain at a minimum an image of a unique scan created with the associated device to give some educational value Read the full rule text on this page and the community's rules page before posting — moderator enforcement is the thing that actually decides.
How do I monitor r/3DScanning for mentions?
Hit Watch on this page. Prowlo starts crawling r/3DScanning into your Dataset — every new post indexed and embedded, searchable semantically, queryable by your AI agent over MCP, and able to trigger keyword alerts in Slack. Prowlo is read-only; it never posts on your behalf.
Can my AI agent read r/3DScanning's stats?
Yes. Everything on this page is one MCP tool call away: catalog_get_subreddit returns r/3DScanning's members, growth, promo tolerance and similar communities as typed JSON — free, no credits. Connect your agent to api.prowlo.com/mcp and it can vet the community and start watching it in the same conversation.
Read-only · Human-in-the-loop
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