r/3Dprinting↗
Welcome to R/3D Printing! Come for the Benchy, stay for the Calibration!
/r/3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.
3.4M subscribers6,804 posts / mo in Sep 2026 (incl. <1% by known bots)5,304 authors / mosince 2010
r/3Dprinting has 3.4M members (+7.8% over the last 12 months). It gets about 6,804 posts a month from 5,304 people. Top topics: 3D Printing Projects, 3D Printing Experiences and First Prints.
When to post on r/3Dprinting
You've used today's free reports
Visitors without an account can open 3 subreddit reports a day. The best time to post on r/3Dprinting, removal risk and the rest of the report are one step away.
How r/3Dprinting has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/3Dprinting
Top topics
Share of the subreddit's posts
- 3D Printing Projects1.3%
- 3D Printing Experiences1.1%
- First Prints1.0%
- PLA Variants and Wood Filaments1.0%
- 3D Printer Builds1.0%
Brands people mention
Most-mentioned brands and sites, last 12 months
- MakerWorld
- Printables
- Bambu Lab
- Prusa3D by Josef Prusa
- All3DP
Everything else about r/3Dprinting
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research