r/CNC

Community Overview
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reddit.com/r/CNC/
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About r/CNC

For anything CNC related: CAD, CAM, automation, and more!

The community at a glance

r/CNC is a Subreddit for Hardware with roughly 125K members. It has been around since 2009. It uses a forum format for communication. It is the 10th largest community in the Hardware topic page.

Roughly 22K members have joined in the past year. Popular discussion topics include Cnc, Machining, and Programming. Product recommendations often mention cnc machine.

On Reddit
Established 2009
125K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +22K members
Growth: +21.3% / year

Member growth over time

All time (yearly)

  • 2013: 1K members
  • 2014: 2K members
  • 2015: 2K members
  • 2016: 2K members
  • 2017: 3K members
  • 2018: 5K members
  • 2020: 18K members
  • 2023: 34K members
  • 2024: 19K members
  • 2025: 22K members
  • 2026: 17K members

Past year (monthly)

  • Nov: 2K members
  • Dec: 2K members
  • Jan: 2K members
  • Feb: 2K members
  • Mar: 2K members
  • Apr: 2K members
  • May: 2K members
  • Jun: 2K members
  • Jul: 2K members
  • Aug: 2K members
  • Sep: 2K members
  • Oct: 71 members

Topics

  • Cnc
    325 posts in the past month
    #1
    Cnc
    325
  • Machining
    124 posts in the past month
    #2
    Machining
    124
  • Programming
    22 posts in the past month
    #3
    Programming
    22
  • Software
    21 posts in the past month
    #4
    Software
    21
  • Design
    20 posts in the past month
    #5
    Design
    20

Flair

  • SOFTWARE SUPPORT
    12 posts in the past month
    1. Best strategy for multiple parts from single piece of stock
    2. How complex is gcode file generation?
    3. Fusion vs MasterCAM
    #1
    SOFTWARE SUPPORT
    Best strategy for multiple parts from single piece of stock · How complex is gcode file generation? · Fusion vs MasterCAM
    12
  • HARDWARE SUPPORT
    12 posts in the past month
    1. Grabbed a compressor water separator for my CNC vacuum table and didn't think about the auto-drain
    2. Understanding engraving tools better
    3. Scratches on inside of collet taper
    #2
    HARDWARE SUPPORT
    Grabbed a compressor water separator for my CNC vacuum table and didn't think about the auto-drain · Understanding engraving tools better · Scratches on inside of collet taper
    12
  • ADVICE
    9 posts in the past month
    1. Tips for reducing online CNC costs?
    2. my grandpa was a journeyman machinist for 42 years and he says he still dreams about cutting iron .. i want to surprise him with a desktop cnc machine but i dont know which one to get him
    3. Learning Programing
    #3
    ADVICE
    Tips for reducing online CNC costs? · my grandpa was a journeyman machinist for 42 years and he says he still dreams about cutting iron .. i want to surprise him with a desktop cnc machine but i dont know which one to get him · Learning Programing
    9
  • SHOWCASE
    7 posts in the past month
    1. V8 Complication
    2. Beautiful fly wheel weight reduction
    3. 1325 CNC router batch-produced these wooden 'Slippery Floor' caution signs
    #4
    SHOWCASE
    V8 Complication · Beautiful fly wheel weight reduction · 1325 CNC router batch-produced these wooden 'Slippery Floor' caution signs
    7
  • GENERAL SUPPORT
    7 posts in the past month
    1. Probing macro help
    2. Machinery upkeep and maintenance
    3. Help with arc starting point
    #5
    GENERAL SUPPORT
    Probing macro help · Machinery upkeep and maintenance · Help with arc starting point
    7

Product recommendations

  • cnc machine
    4 posts in the past month
    1. Best cnc for small business
    2. Best sub 300$ cnc to cut carbon fiber abt 5-8mm with for drones?
    3. I want to get into sewing and making my own clothes. would a CNC machine be worth the investment to cut fabric? if so any recs?
    #1
    cnc machine
    Best cnc for small business · Best sub 300$ cnc to cut carbon fiber abt 5-8mm with for drones? · I want to get into sewing and making my own clothes. would a CNC machine be worth the investment to cut fabric? if so any recs?
    4
View full analysis on GummySearchSynced 10/1/2026

Frequently asked questions

Who is r/CNC for?
Best for Hardware enthusiasts looking for a Reddit-based community with forum discussion.
Is r/CNC 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/CNC have?
Roughly 125K members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/CNC on?
r/CNC 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/CNC cover?
On the Hive Index, r/CNC is organized under Hardware.
How do I join r/CNC?
You can join r/CNC by clicking this link, or pressing the "Go to community" button above.
What are the Hardware communities like?
Communities for hardware engineers, electronics hobbyists, and embedded systems developers. Discord and Reddit host communities for Arduino, Raspberry Pi, PCB design, and DIY electronics, alongside more professional spaces for engineers working on commercial hardware products.
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Added 6/5/2026

Monthly Stats

27
Views /mo
(+50%)
25
Visitors /mo
(+39%)
1
Referrals /mo

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