r/CNC is a subreddit with 119k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses cnc, machining, metalworking, programming, and design, and they frequently recommend/review cnc mill, cnc machine, and lathe.
For anything CNC related: CAD, CAM, automation, and more!
Popular Themes in r/CNC
#1
Advice Requests
: "Is it time to look for another trade?"
6 posts
#2
Solution Requests
: "Bore gage marks causing rejection on tight ID (8 Ra requirement) – looking for better inspection methods"
3 posts
#3
Pain & Anger
: "I’m tired of companies pretending disposable machines are “innovation”"
3 posts
#4
Self-Promotion
: "Spectar: my new FREE app for machinists and engineers"
3 posts
#5
Ideas
: "Help Brainstorming"
1 post
Popular Topics in r/CNC
#1
Cnc
: "Bro why the fuck is this subteddit under 20 porn ones when I look for Cnc"
282 posts
#2
Machining
: "A rare and unconventional workholding method I use for Machining difficult-to-hold parts."
135 posts
#3
Metalworking
: "How can I self teach myself CNC and G-code"
28 posts
#4
Programming
: "I think I might hate Programming."
27 posts
#5
Design
: "2.5D cnc cutting my Design for a leather belt/strap cutter"
18 posts
#6
Tools
: "Machining free-machining steel on a desktop CNC — had to drop cutting speed to 60 m/min to keep Tools alive. Is this normal?"
15 posts
#7
Help
: "Might need a little Help!"
13 posts
#8
Router
: "CNC dust shoe help"
12 posts
#9
Software
: "Xometry test part. Will I pass?"
12 posts
#10
Cad
: "Cad CNC Potential Career."
12 posts
Products Discussed in r/CNC
Cnc Mill
77 reviews
#1
Tormach
4.1★ from 13 reviews
#2
Shapeoko
3.8★ from 6 reviews
#3
HAAS
4.2★ from 5 reviews
Cnc Machine
68 reviews
#1
Shapeoko
4.5★ from 4 reviews
#2
Tormach
3.7★ from 3 reviews
#3
Haas
4.3★ from 3 reviews
Lathe
19 reviews
#1
Haas
3.5★ from 6 reviews
#2
Okuma
4.3★ from 3 reviews
#3
Doosan
4.0★ from 2 reviews
Flair Used in r/CNC
#1
ADVICE
: "How to remove 'dead length' collet?"
57 posts
#2
SHOWCASE
: "Would anyone actually want this?"
43 posts
#3
GENERAL SUPPORT
: "I’m tired of companies pretending disposable machines are “innovation”"
22 posts
#4
HARDWARE SUPPORT
: "Bore gage marks causing rejection on tight ID (8 Ra requirement) – looking for better inspection methods"
14 posts
#5
OPERATION SUPPORT
: "Chipped edge on steel after chamfering"
12 posts
#6
SOFTWARE SUPPORT
: "Coming from a manual lathe background into CNC - what transferred, what didn't, and what I wish someone had told me earlier"
8 posts
#7
OTHER CNC Machine
: "cnc factory first day"
7 posts
#8
MILL
: "Pocketing this aluminum cavity and chasing a clean finish on the floor and walls. What would you change in the toolpath?"
6 posts
#9
SOFTWARE
: "G Code previewer and playground (free to use, no account needed)"
5 posts
#10
OPERATION
: "I feel seen."
3 posts
Member Growth in r/CNC
Yearly
+21k members(21.9%)
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About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/CNC, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: June 8, 2026