r/3Dprinting

Community Overview
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About r/3Dprinting

/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.

The community at a glance

r/3Dprinting is a Subreddit for 3D Printers with roughly 3.4M members. It uses a forum format for communication. On the Hive Index it ranks #2 in the 3D Printing communities list.

Roughly 235K members have joined in the past year. Popular discussion topics include 3d Printing, Printing, and 3d. Common discussion themes are Advice Requests and Solution Requests. Product recommendations often mention 3d printer and filament.

On Reddit
3.4M Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +235K members
Growth: +7.5% / year

Member growth over time

All time (yearly)

  • 2013: 12K members
  • 2014: 16K members
  • 2015: 15K members
  • 2016: 41K members
  • 2017: 70K members
  • 2018: 94K members
  • 2019: 137K members
  • 2020: 221K members
  • 2021: 351K members
  • 2023: 1.0M members
  • 2024: 808K members
  • 2025: 438K members
  • 2026: 113K members

Past year (monthly)

  • Jul: 16K members
  • Aug: 13K members
  • Sep: 12K members
  • Oct: 14K members
  • Nov: 24K members
  • Dec: 29K members
  • Jan: 27K members
  • Feb: 20K members
  • Mar: 22K members
  • Apr: 21K members
  • May: 19K members
  • Jun: 3K members

Themes

  • Advice Requests
    13 posts in the past month
    1. Hello everyone, I’m excited to share the latest additions to my skull collection, shaped by your valuable input. I would love to get your feedback on these new designs. Also, if you have any suggestions for future models, please feel free to share them!
    2. Newbie here - how do you handle fire safety for long prints?
    3. Embarrassed to ask...How do I remix an STL?
    #1
    Advice Requests
    Hello everyone, I’m excited to share the latest additions to my skull collection, shaped by your valuable input. I would love to get your feedback on these new designs. Also, if you have any suggestions for future models, please feel free to share them! · Newbie here - how do you handle fire safety for long prints? · Embarrassed to ask...How do I remix an STL?
    13
  • Solution Requests
    8 posts in the past month
    1. Which CAD for Linux?
    2. Why is there so much surface artefacts?
    3. Pill dispenser filler?
    #2
    Solution Requests
    Which CAD for Linux? · Why is there so much surface artefacts? · Pill dispenser filler?
    8
  • Pain & Anger
    2 posts in the past month
    1. Why is asking for specific help on aspects of 3d printing met with rudeness when you are new?
    2. I hate my Ender 3 (Might be time to move on)
    #3
    Pain & Anger
    Why is asking for specific help on aspects of 3d printing met with rudeness when you are new? · I hate my Ender 3 (Might be time to move on)
    2
  • Ideas
    1 post in the past month
    1. Introducing the Ender 5D (very creative name I know)
    #4
    Ideas
    Introducing the Ender 5D (very creative name I know)
    1
  • Self-Promotion
    1 post in the past month
    1. Just got done installing the AMS Flipper on my X2D. This community is so dope! Big shout out to the designer. 🤝
    #5
    Self-Promotion
    Just got done installing the AMS Flipper on my X2D. This community is so dope! Big shout out to the designer. 🤝
    1

Topics

  • 3d Printing
    190 posts in the past month
    1. I have to give a shout out to /u/thesugarat. They replied to my 228 day old, 1 upvote post with measurements I needed for a missing part for my vacuum sealer. What a great rep for the 3D printing community!
    2. Why is asking for specific help on aspects of 3d printing met with rudeness when you are new?
    3. Multicolour 3D printing without waste made me fall in love with the hobby again
    #1
    3d Printing
    I have to give a shout out to /u/thesugarat. They replied to my 228 day old, 1 upvote post with measurements I needed for a missing part for my vacuum sealer. What a great rep for the 3D printing community! · Why is asking for specific help on aspects of 3d printing met with rudeness when you are new? · Multicolour 3D printing without waste made me fall in love with the hobby again
    190
  • Printing
    117 posts in the past month
    1. Lines in print when there is pattern
    2. How to get silly bronse out of the printer.
    3. Filament isn't feeding and is clunking?
    #2
    Printing
    Lines in print when there is pattern · How to get silly bronse out of the printer. · Filament isn't feeding and is clunking?
    117
  • 3d
    89 posts in the past month
    1. My autonomous tracking robot (R1C4) for my university major. PETG 3D printed dome and laser-cut chassis!
    2. 3D Printed WALL-E with Working Tracks
    3. White spots inside 3d printer?
    #3
    3d
    My autonomous tracking robot (R1C4) for my university major. PETG 3D printed dome and laser-cut chassis! · 3D Printed WALL-E with Working Tracks · White spots inside 3d printer?
    89
  • Design
    50 posts in the past month
    1. Can't beat the feeling of watching your design evolve through rapid prototyping (banana for scale)
    2. My first design! EZ Mount Trash Bag Dispenser
    3. Designer needed for bookish decor
    #4
    Design
    Can't beat the feeling of watching your design evolve through rapid prototyping (banana for scale) · My first design! EZ Mount Trash Bag Dispenser · Designer needed for bookish decor
    50
  • Printer
    46 posts in the past month
    1. 10 000 Bambu printers running simultaneously
    2. Just found an ANYCUBIC printer for around $170
    3. How to get silly bronse out of the printer.
    #5
    Printer
    10 000 Bambu printers running simultaneously · Just found an ANYCUBIC printer for around $170 · How to get silly bronse out of the printer.
    46

Flair

  • Project
    83 posts in the past month
    1. Built a mini ESP32 plane radar. 3D printed case + open source code
    2. Caught a bass on a benchy.
    3. Slowly making progress on my 5x build.
    #1
    Project
    Built a mini ESP32 plane radar. 3D printed case + open source code · Caught a bass on a benchy. · Slowly making progress on my 5x build.
    83
  • Question
    38 posts in the past month
    1. Which CAD for Linux?
    2. What did I do wrong?
    3. Why is asking for specific help on aspects of 3d printing met with rudeness when you are new?
    #2
    Question
    Which CAD for Linux? · What did I do wrong? · Why is asking for specific help on aspects of 3d printing met with rudeness when you are new?
    38
  • Troubleshooting
    23 posts in the past month
    1. Embarrassed to ask...How do I remix an STL?
    2. Another first layer post
    3. Well, that explains why it was printing in the air while still scratching the bed
    #3
    Troubleshooting
    Embarrassed to ask...How do I remix an STL? · Another first layer post · Well, that explains why it was printing in the air while still scratching the bed
    23
  • Free Model
    21 posts in the past month
    1. You vs the guy she tells you not to worry about
    2. I designed a banana caliper for scale
    3. My dumbbell collars are now available!
    #4
    Free Model
    You vs the guy she tells you not to worry about · I designed a banana caliper for scale · My dumbbell collars are now available!
    21
  • Discussion
    14 posts in the past month
    1. You guys made me too scared of PETG. First PETG print.
    2. Multicolour 3D printing without waste made me fall in love with the hobby again
    3. First 3-D printer
    #5
    Discussion
    You guys made me too scared of PETG. First PETG print. · Multicolour 3D printing without waste made me fall in love with the hobby again · First 3-D printer
    14

Product recommendations

  • 3d printer
    14 posts in the past month
    1. I am an expert 3D modeler. I have extensive academic knowledge of 3D printing. I don't know shit about what the best hobbyist printer is under $1k. Please weigh in?
    2. Which is the best 3d printer in mid range for beginner :)))
    3. Whats the best 3D Printer I can buy?
    #1
    3d printer
    I am an expert 3D modeler. I have extensive academic knowledge of 3D printing. I don't know shit about what the best hobbyist printer is under $1k. Please weigh in? · Which is the best 3d printer in mid range for beginner :))) · Whats the best 3D Printer I can buy?
    14
  • filament
    14 posts in the past month
    1. Best filament for a center console for a van?
    2. Melted ABS filament stuck in hotend - best way to purge?
    3. Best Neptune 3 Pro nozzles for relatively cheap?
    #2
    filament
    Best filament for a center console for a van? · Melted ABS filament stuck in hotend - best way to purge? · Best Neptune 3 Pro nozzles for relatively cheap?
    14
View full analysis on GummySearchSynced 6/3/2026

Frequently asked questions

Who is r/3Dprinting for?
Best for 3D Printers enthusiasts looking for a Reddit-based community with forum discussion.
Is r/3Dprinting free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/3Dprinting have?
Roughly 3.4M members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/3Dprinting on?
r/3Dprinting runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/3Dprinting cover?
On the Hive Index, r/3Dprinting is organized under 3D Printers.
How do I join r/3Dprinting?
You can join r/3Dprinting by clicking this link, or pressing the "Go to community" button above.
What are the 3D Printing communities like?
Communities for 3D printing enthusiasts to share prints, swap settings, and troubleshoot. Reddit hosts some of the largest communities, with active discussions for everything from miniature printing and functional prints to resin work and printer builds. Good for setup help, material recommendations, and showing off what you made.
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Added 4/4/2024

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