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 122K 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
122K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +22K members
Growth: +21.7% / 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: 14K members

Past year (monthly)

  • Sep: 1K members
  • Oct: 1K members
  • 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: 301 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

  • ADVICE
    16 posts in the past month
    1. Dumping chips
    2. Want to buy a CNC router as a beginner
    3. When designing a part like this for CNC, what's the usual way?
    #1
    ADVICE
    Dumping chips · Want to buy a CNC router as a beginner · When designing a part like this for CNC, what's the usual way?
    16
  • SHOWCASE
    14 posts in the past month
    1. The satisfaction of CNC engraving anodized aluminum
    2. Real Time analysis of tool Reachability
    3. This floral sideboard came off my rotary CNC router – the grain flows through the carving.
    #2
    SHOWCASE
    The satisfaction of CNC engraving anodized aluminum · Real Time analysis of tool Reachability · This floral sideboard came off my rotary CNC router – the grain flows through the carving.
    14
  • HARDWARE SUPPORT
    7 posts in the past month
    1. What CNC machining suppliers need before they can give an accurate quotation
    2. Tenths indicator sensitivity for probe stylus centering
    3. MPCNC Primo Core Bearings Too Tight
    #3
    HARDWARE SUPPORT
    What CNC machining suppliers need before they can give an accurate quotation · Tenths indicator sensitivity for probe stylus centering · MPCNC Primo Core Bearings Too Tight
    7
  • GENERAL SUPPORT
    6 posts in the past month
    1. Can You Outsource CAD/CAM and Fixture Design for a Small CNC Shop?
    2. Creating metal straps questions.
    3. Keep getting this alarm when running the warm up program.
    #4
    GENERAL SUPPORT
    Can You Outsource CAD/CAM and Fixture Design for a Small CNC Shop? · Creating metal straps questions. · Keep getting this alarm when running the warm up program.
    6
  • SOFTWARE SUPPORT
    6 posts in the past month
    1. What would you wish in a open source CAM software?
    2. How to connect Vericut with fanuc guide 2
    3. Does anyone else spend half their day converting BOMs to nested DXF files?
    #5
    SOFTWARE SUPPORT
    What would you wish in a open source CAM software? · How to connect Vericut with fanuc guide 2 · Does anyone else spend half their day converting BOMs to nested DXF files?
    6

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 8/5/2026

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 122K 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

20
Views /mo
(+33%)
19
Visitors /mo
(+73%)
0
Referrals /mo
(-100%)

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