r/Reprap

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r/FixMyPrint
9k  subs
The community of r/FixMyPrint will help you fix your 3D printer settings for the most optimal prints.
https://reddit.com/r/FixMyPrint/
r/3Dprinting
342k  subs
News, information, links and fun things related to 3D printing, 3D printers, rapid manufacturing, desktop fabrication etc.
https://reddit.com/r/3Dprinting/
r/Multicopter
66k  subs
The home for anything multi-rotor related
https://reddit.com/r/Multicopter/
r/arduino
173k  subs
A place for all things Arduino!
https://reddit.com/r/arduino/
r/voroncorexy
2k  subs
Community for proud owners of VORON CoreXY 3D printers, or anyone interested in building one.
https://reddit.com/r/voroncorexy/
This is a subreddit to share and show off your 3D printed parts that actually have a function.
https://reddit.com/r/functionalprint/
r/electronics
156k  subs
A subreddit dedicated to news, articles and general discussions related to electronic systems and circuits.
https://reddit.com/r/electronics/
r/3dprinter
7k  subs
3D Printers have advanced to the point where we can create many different objects with one, such as chocolates, models, toys, jewelery, etc. Post pictures, 3D templates, and news about 3D Printers.
https://reddit.com/r/3dprinter/
r/PrintrBot
3k  subs
Share your adventures with the Printrbot 3D Printer. Tips, tricks, build logs, interesting prints, mods, and anything else that relates to the printer goes here.
https://reddit.com/r/PrintrBot/
r/CNC
21k  subs
For anything CNC related: CAD, CAM, automation, and more!
https://reddit.com/r/CNC/
r/hobbycnc
10k  subs
A subreddit for enthusiasts of hobbyist CNC machines like the Shapeoko, X-Carve, 6040, etc
https://reddit.com/r/hobbycnc/
r/robotics
90k  subs
A place for discussing and learning about Robotics
https://reddit.com/r/robotics/
A subreddit for practical, component-level design and repair questions on electronic circuits. We also cover the associated tools and equipment.
https://reddit.com/r/AskElectronics/
r/cad
24k  subs
***Computer-Aided Design*** A place to talk about anything related to CAD. Ask questions about CAD software, drawing standards or just show off your latest project.
https://reddit.com/r/cad/
r/engineering
254k  subs
The hub for all content related to the engineering discipline.
https://reddit.com/r/engineering/
A subreddit for discussing the Raspberry Pi ARM computer and all things related to it.
https://reddit.com/r/raspberry_pi/
r/prusa3d
9k  subs
All things related to Prusa 3D printers. Show of your prints, or ask a question. [Join our Discord](https://discord.gg/ArjqkbG)
https://reddit.com/r/prusa3d/
r/makerbot
3k  subs
Discussion area for owners or enthusiasts with: * Cupcake CNC * Thing-o-Matic * Replicator 1, 2, 2x * Digitizer * Latest generation Replicator, Z18, Mini 3D Printers.
https://reddit.com/r/makerbot/
r/radiocontrol
26k  subs
A place to share anything related to radio control (RC), whether it's airplanes, cars, helicopters, multicopters (hexacopters, quadcopters, etc), boats, sails, trucks, submarines, cats, etc.
https://reddit.com/r/radiocontrol/
r/Machinists
59k  subs
A Reddit for Machinists of all varieties. From Old School conventional guys, to CNC Programmers, to the up and coming next generation.
https://reddit.com/r/Machinists/
r/lasercutting
14k  subs
A place to share your laser cutter creations, tips, questions and other laser cutter related information.
https://reddit.com/r/lasercutting/
r/ECE
72k  subs
A subreddit for discussion of all things electrical and computer engineering.
https://reddit.com/r/ECE/
r/esp8266
22k  subs
ESP8266 WiFi Module Help and Discussion
https://reddit.com/r/esp8266/
r/dogecoin
141k  subs
The most amazing place on reddit! A subreddit for sharing, discussing, hoarding and wow'ing about Dogecoins. The new innovative crypto-currency.
https://reddit.com/r/dogecoin/
r/AskEngineers
139k  subs
Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. AskEngineers is a forum for questions about the processes and standards used to build these systems, as well as for questions about the engineering profession and its many disciplines.
https://reddit.com/r/AskEngineers/
r/reprapPIF
1k  subs
The purpose of this sub-reddit is to help people find people with a RepRap 3D printer to get the parts to make one themselves, and in turn they "Print-It-Forward" and print off a set of parts and send them off to someone else. Here we also want to be as altruistic as possible, so if you happen to have a spare 3D printer lying around...you know what to do!
https://reddit.com/r/reprapPIF/
r/linux
423k  subs
All things Linux and GNU/Linux -- this is neither a community exclusively about the kernel Linux, nor is exclusively about the GNU operating system.
https://reddit.com/r/linux/