THE COMPLETE LIBRARY
All Guides
Every free tutorial on CNC Dance — 96 guides covering G-code, CAM software, machine setup, feeds and speeds, and troubleshooting. Written by a machinist for real shop floors.
TUTORIALS
Tutorials
- What is CNC Machining? A Complete Beginner's Guide
What is CNC machining explained in plain English. Learn how CNC machines work, the complete CAD to part workflow, types of machines, and how to start programming your first part.
- CNC Basics for Beginners: A Complete Guide to Getting Started
CNC basics for beginners — learn what CNC machining is, how CNC machines work, machine types, the CAD-CAM-GCode workflow, and how to start your first project.
- G-Code Explained: How CNC Programming Works
G-code explained in plain English — how CNC programs work, the structure of a G-code line, modal vs one-shot commands, and how to read any CNC program.
- G-Code for Beginners: Learn to Write Your First CNC Program
G-code for beginners — learn what G-code is, understand CNC coordinates, master the 9 essential codes, and write your first complete CNC program step by step.
- G00 and G01: Rapid Traverse and Linear Interpolation
G00 and G01 commands explained with examples. Learn the difference between rapid traverse and linear feed moves in CNC programming.
- G90 vs G91: Absolute vs Incremental Positioning in CNC
G90 vs G91 explained with clear examples and a complete guide. Learn the difference between absolute and incremental positioning, when to use each mode, and how to avoid crashes.
- Your First CNC Part: Complete Step-by-Step Project Walkthrough
Step-by-step walkthrough of machining your first CNC part — a mounting bracket. From CAD design in Fusion 360, CAM toolpath setup, G-code generation, machine setup, to the actual cut and inspection. Written for complete beginners.
- CNC CAM Software Workflow: From 3D Model to Finished Machined Part
Complete guide to CNC CAM software workflow from 3D model to machined part. Stock setup, toolpaths, simulation, and post processing explained step by step.
- 5-Axis CNC Machining for Beginners: When and Why You Need It
Learn 5-axis CNC machining basics for beginners. Complete guide to when you need 5-axis, how it works, 3+2 vs full simultaneous, and machine selection tips.
- CNC Conversational Programming Guide: A Beginner's Introduction
CNC conversational programming introduction. Program parts on the machine control without CAM software. G-code generation for simple milling operations.
- Fusion 360 CAM Tutorial for Beginners: From Design to G-Code
Learn Fusion 360 CAM for CNC machining step by step. Complete beginner tutorial covering setup, toolpaths, simulation, and post processing to generate G-code.
- Difference Between G-Code and M-Code in CNC Programming Explained
Learn the difference between **G-code** and **M-code** in CNC programming. Complete guide explaining what each does, how they work together, and examples of both.
- G41 and G42: CNC Cutter Compensation Explained for Beginners
Learn G41 and G42 cutter compensation for CNC programming. Complete guide to tool radius compensation left and right with examples for milling.
- G02 and G03: Circular Interpolation for CNC Programming
Learn G02 and G03 circular interpolation commands for CNC. Complete guide to programming arcs and circles with R and IJK methods with examples for milling.
- G54-G59 Work Offsets: Setting Up CNC Coordinate Systems
Learn how to set G54-G59 work offsets on a CNC machine. Complete guide to CNC coordinate systems, part zero setup, and work offset programming with examples.
- G81 Drilling Cycle: Simple CNC Drilling Programming
Learn G81 drilling cycle for CNC programming. Complete guide to simple drilling with G81 including format, parameters, examples, and common mistakes.
- Common G-Code Mistakes Beginners Make (and How to Fix Them)
Common G-code mistakes beginners make — missing safety blocks, wrong feed rates, forgetting G90, G41/G42 errors, and how to prevent each one from crashing your CNC machine.
- How Does a CNC Machine Work? The Simple Explanation
How CNC machines work explained simply. Learn the CNC workflow from design to finished part, with the three core components: control, drive, and cutting.
- How to Learn CNC Machining: A Step-by-Step Plan for 2026
How to learn CNC machining from zero — a step-by-step learning plan covering G-code, CAM software, machine setup, and practical projects to build real skills.
- M-Code Explained: CNC Machine Functions Reference
M-code explained — what M-codes are, how they differ from G-code, complete reference table of common M-codes with examples for spindle, coolant, tool changes, and program flow.
GUIDES
Guides
- CNC End Mill Coatings Guide: TiN, TiAlN, AlTiN, and DLC Explained
Complete guide to CNC end mill coatings. Learn TiN, TiAlN, AlTiN, DLC, and ZrN coatings compared with selection tips for different materials and applications.
- CNC Tool Holding Systems Guide: ER Collets, BT30, and Chuck Types Explained
CNC tool holding systems guide. Learn ER collets, BT30/BT40, R8 collets, TG chucks, and hydraulic holders. How to choose the right system for your machine.
- How to Tram a CNC Spindle: A Beginner's Guide to Perfect Head Alignment
Learn to tram a CNC spindle with a dial indicator. X and Y axis alignment for mill heads, common mistakes, and tolerance targets for quality cuts.
- CNC Controller Comparison Guide: GRBL vs Mach4 vs Acorn vs LinuxCNC
Compare CNC controllers: GRBL, Mach4, Centroid Acorn, and LinuxCNC. Features, cost, axis support, real-time performance, and how to choose the right controller.
- CNC First Year Cost of Ownership: A Realistic Budget Guide for Hobbyists 2026
Real CNC first year cost breakdown for hobbyists. Machine, tooling, software, dust collection, and hidden costs. Budget $1,500-$3,000 total for your first year.
- CNC Part Finishing and Deburring Guide: Methods, Tools, and Best Practices
Guide to CNC part finishing and deburring. Manual and CNC methods, tools for clean edges, vibratory finishing, and quality targets explained.
- CNC Surface Finish Guide: Ra Values, Causes, and How to Achieve Each Level
Complete guide to CNC surface finish. Learn Ra values, what finish levels mean, how to achieve each surface finish, and troubleshooting poor finish quality.
- CNC Toolpath Troubleshooting Guide: Fix Bad Cuts and Improve Surface Finish
Diagnose and fix bad CNC cuts. Guide to toolpath issues including chatter, poor surface finish, step lines, and burn marks with specific fixes for each problem.
- CNC Woodworking vs Metalworking: Machine Comparison Guide for 2026
CNC woodworking vs metalworking machine comparison. Key differences in rigidity, spindle, precision, coolant vs dust collection, tooling, and how to choose.
- CNC Machining Brass and Copper: Tools, Feeds, and Best Practices
Guide to CNC machining brass and copper. Learn tool selection, feeds and speeds, coolant strategies, and techniques for machining brass and copper alloys.
- CNC Machining for PCB Milling: Complete Guide to Circuit Boards
Complete guide to CNC PCB milling for circuit boards. Learn tools, techniques, isolation routing, and how to make PCBs on a desktop CNC machine.
- CNC Fixture Design Guide: How to Build Jigs and Hold-Downs
Learn CNC fixture design for machining. Guide to 3-2-1 locating principle, fixture materials, modular fixturing, and custom jig design for milling.
- CNC Dust Collection: Complete Guide for Router and Mill Shops
Complete guide to CNC dust collection for routers and mills. Learn shop vac vs dust collector, cyclone separators, dust shoes, and HEPA filtration systems.
- CNC Machine Setup: Complete Guide from Power-On to First Cut
Step-by-step CNC machine setup guide for beginners. Power-on, homing, tool loading, work offsets, program verification, dry run, and first cut procedure.
- CNC vs 3D Printing: Which Machine Should You Buy?
Complete comparison of CNC machining vs 3D printing for hobbyists and makers. Compare cost, precision, materials, learning curve, and which technology is right for your projects.
- Design for CNC Machining: The Complete DFM Checklist
Complete DFM checklist for CNC machining. 10 essential design rules including wall thickness, internal radii, tolerances, pocket depth, and cost reduction tips.
- CNC Machining Stainless Steel: Tools, Techniques, and Parameter Guide
Complete guide to CNC machining stainless steel. Learn tool selection, feeds and speeds, coolant strategies, and techniques for machining 304 and 316 stainless.
- CNC Machine Calibration Guide: How to Tram, Square, and Align
Learn how to calibrate your CNC machine. Guide to tramming spindle, squaring vise, aligning axes, and checking machine geometry for accurate machining.
- CNC Machining Aluminum: Complete Guide to Feeds, Speeds, and Tooling
CNC machining aluminum guide for beginners. Feeds and speeds, tool selection, coolant strategies, common mistakes, and how to avoid built-up edge.
- Making Money with a CNC Machine: Realistic Guide for 2026
Learn how to make money with a CNC machine. Guide to profitable niches, pricing strategies, startup costs, and action plan for side income in 2026.
- CNC Machine Buying Guide 2026: How to Choose Your First CNC Machine
Complete CNC buying guide for beginners. Compare router vs mill vs lathe, budget tiers, new vs used, hidden costs, and 2026 model recommendations.
- CNC Shop Starter Kit: Tools and Accessories You Actually Need
CNC shop starter kit guide for beginners. Essential tools, workholding, measuring equipment, and safety gear organized by priority with budget breakdowns.
- CNC Safety Guide: Essential Safety Rules Every Beginner Must Know
Complete CNC safety guide for beginners. Safety rules, PPE requirements, pre-operation checklists, emergency procedures, and real accident stories.
- CNC Router Bits Explained: Upcut, Downcut, Compression, and Ballnose
Complete guide to CNC router bits for beginners. Upcut vs downcut vs compression vs ballnose, how to choose by material, flute count explained, and pro tips.
- CNC Spindle Guide: Types, Power, Cooling, and How to Choose
CNC spindle guide for beginners. Compare air-cooled vs water-cooled, understand VFD, torque curves, and power requirements for wood, aluminum, or steel.
- CNC End Mill Selection Guide: Types, Coatings, Flutes, and Materials
Learn to choose the right CNC end mill for any job. Guide to end mill types, coatings, flute count, and material-specific recommendations with selection tables.
- CNC Workholding 101: Vises, Clamps, Vacuum Tables, and Fixtures
Learn CNC workholding methods: vises, clamps, vacuum tables, and custom fixtures. Complete guide to workholding for milling and routing with selection tips.
- CNC Feeds and Speeds: A Beginner's Guide to Optimal Parameters
Learn to calculate CNC feeds and speeds for milling and routing. Beginner guide to RPM, feed rate, chipload, and SFM formulas with reference tables.
- Aluminum on a Desktop CNC Router: Can It Be Done? A Realistic Guide
Cut aluminum on a desktop CNC router? Realistic guide to feeds, speeds, modifications, and limitations for machining aluminum on hobby CNC routers.
- CNC Backlash Detection and Fix Guide: Measure and Eliminate Backlash
Learn to detect, measure, and fix CNC backlash. Guide to ballscrew and lead screw backlash with measurement methods and adjustment for hobby machines.
- CNC Diagnostic Test Cuts: A Beginner's Guide to Machine Calibration
Learn CNC diagnostic test cuts to calibrate your machine. Squareness, backlash, tram, and accuracy tests with step-by-step instructions for hobby CNC users.
- CNC Lubrication Maintenance Schedule Guide: Keep Your Machine Running Smoothly
CNC machine lubrication schedule guide. Daily, weekly, and monthly lubrication for linear guides, ball screws, bearings, and lead screws on hobby CNC machines.
- CNC Machine Types Guide: Mills, Lathes, Routers, Plasma, and Laser
Compare CNC mill, lathe, router, plasma cutter, and laser cutter types. Complete guide with selection matrix to find the right machine for your shop.
- CNC Outsourcing vs Buying a Machine: Decision Guide for Small Shops
CNC outsourcing vs buying a machine decision guide. Compare costs, lead times, and quality for small businesses deciding whether to outsource or buy in-house.
- CNC Post Processor Setup and Troubleshooting Guide for Beginners
CNC post processor setup and troubleshooting guide. Learn what a post processor does, how to configure one for your machine, and fix common errors.
- CNC Shop Space Requirements Guide: Electrical, Dust, and Noise Considerations
CNC shop space requirements guide. Electrical power, dust collection, noise control, ventilation, lighting, and floor space for your home CNC workshop.
- Thin Wall CNC Machining Guide: Beat Deflection and Chatter on Thin Parts
Thin wall CNC machining guide. Learn to machine thin walls without deflection or chatter. Toolpath strategies, workholding, and parameter adjustments explained.
- CNC Probing and Tool Setting Guide: Touch Probe Workflow Setup
Learn CNC probing and tool setting with touch probes. Complete guide to probe types, calibration, G-code macros, and automated tool length measurement.
- CNC Machinist Career Path 2026: From Operator to Master Machinist
Complete guide to the CNC machinist career path in 2026. Learn salary ranges, training, certification, and advancement from operator to programmer.
- CNC Machining Cost Estimation: How to Calculate Part Prices
Learn how to calculate CNC machining costs for parts. Guide to estimating hourly rates, setup costs, material costs, and pricing small shop work.
- CNC Preventive Maintenance: Daily, Weekly, and Monthly Checklist
Complete CNC machine preventive maintenance checklist. Daily, weekly, monthly and annual tasks to keep your mill or router running accurately and reliably.
- CNC Sign Making Guide for Beginners: From Design to Finished Sign
CNC sign making guide for beginners. Learn to design, toolpath, and machine custom signs on a CNC router. Materials, V-carving, 3D carving, and finishing tips.
- How to Design Parts for Tolerances: Press Fits, Slip Fits, and Assemblies
Designing CNC parts for tolerances guide. Press fits, slip fits, clearance fits, and assembly tolerance stacking with practical examples for machinists.
- How to Convert a Manual Mill to CNC: A Complete Step-by-Step Guide
Step-by-step guide to converting a manual mill to CNC. Ball screws, stepper motors, controllers, and electronics for Bridgeport and benchtop mill conversions.
- How to Machine Plastics: CNC Guide for Acrylic, Delrin, and Polycarbonate
Complete guide to CNC machining plastics. Learn feeds and speeds for acrylic, Delrin, polycarbonate, and nylon with tool selection and troubleshooting tips.
- CNC Coolant Selection Guide: Flood vs Mist vs MQL for Machining
Learn CNC coolant types and how to choose. Complete guide to flood coolant, mist coolant, and minimum quantity lubrication for milling and turning.
- CNC Chatter and Vibration Troubleshooting Guide: Causes and Fixes
Complete guide to fixing CNC chatter and vibration. Learn causes, how to stop machining chatter, and troubleshooting steps for milling and turning.
- CNC Job Setup Sheet Template: A Beginner's Guide to Organized Machining
Free CNC job setup sheet template for hobby machinists. Document tooling, work offsets, feeds and speeds, and inspection to reduce setup errors and save time.
- CNC Machining for Knife Making: A Complete Guide for Beginners
CNC machining for knife making guide. Design and cut knife profiles, bevels, and handle scales on a CNC mill or router. Materials, tooling, and finishing tips.
- CNC for Musical Instruments: Making Guitars, Ukuleles, and Drums
CNC machining for musical instrument making guide. Guitar bodies, necks, ukulele parts, and drum shells on CNC routers. Materials, tooling, and finishing tips.
- Lights Out Manufacturing: Unattended CNC Machining Guide for Small Shops
Lights out manufacturing guide for CNC machines. Unattended machining, tool monitoring, workholding, coolant management, and safe overnight operation setup.
- Beginner CNC Projects: 5 Simple Ideas to Build Your Skills
Beginner CNC projects to build your machining skills — from first pocket to finished part. Step-by-step with G-code examples for each project.
- CNC Mill vs Router: Key Differences and How to Choose
CNC mill vs router comparison — learn the key differences in construction, precision, materials, and cost to choose the right machine for your work.
- CNC Poor Surface Finish: Causes and Fixes
CNC poor surface finish troubleshooting guide — causes and fixes for roughness, chatter, scalloping, burn marks, and other surface quality problems.
- CNC Spindle Not Spinning? Troubleshooting Guide
CNC spindle not spinning — troubleshooting guide covering VFD settings, M-code issues, wiring faults, and how to diagnose spindle problems step by step.
- CNC Troubleshooting Guide: 10 Most Common Problems Fixed
CNC troubleshooting guide covering the 10 most common machine problems — spindle issues, motion errors, poor finish, software problems, and how to fix each one step by step with detailed diagnostic procedures.
- CNC vs 3D Printing: Which Technology Should You Choose?
CNC machining vs 3D printing compared. Learn the key differences in precision, materials, cost, and when to choose each manufacturing method.
- CNC Workholding Options: Choosing the Right Method
CNC workholding options compared — vises, clamps, vacuum tables, fixtures, and tape. How to choose the right method for your part material and operation.
- Feeds and Speeds for Beginners: CNC Cutting Parameters Guide
Feeds and speeds for CNC beginners — learn how to calculate RPM, feed rate, and depth of cut. Complete reference tables for aluminum steel wood plastics and common machining materials.
- How to Become a CNC Programmer: Skills, Training, and Career Path
How to become a CNC programmer — learn the skills you need, the training options available, sample programs to practice, and what the career path looks like.
- How to Set Work Offsets on a CNC Machine: G54-G59 Guide
Learn how to set work offsets (G54-G59) on a CNC machine step by step. Covers manual setting, G10 commands, common mistakes, and controller-specific differences.
REFERENCE
Reference
- Complete G-Code List: CNC Programming Reference with Examples
Complete G-code reference list for CNC milling and turning. Every G-code explained with examples, organized by function group — Fanuc, Haas, GRBL, and LinuxCNC compatible.
- CNC Machining Tolerances Guide: ISO 2768 Standards and Practical Fits
Learn CNC machining tolerances and ISO 2768 standards. Guide to tolerance classes, fits, and surface finishes with practical tips for drawings.
- CNC Terminology Glossary: 50+ Terms Every Machinist Should Know
Complete CNC terminology glossary with 50+ essential terms. Learn CNC machining definitions, G-code terms, tooling vocabulary, and machine shop language explained.
- Complete M-Code List: CNC Programming Reference
Complete M-code reference for CNC machining. Every M-code explained with examples — spindle control, coolant, tool changes, program flow, and more.
REVIEWS
Reviews
- Best CNC Router for Beginners: Top Picks Compared (2026)
Compare the best CNC routers for beginners in 2026. Genmitsu 3018, Shapeoko 5, Onefinity, and FoxAlien reviewed with pros, cons, and buying advice.
- CNC Router Software Comparison 2026: VCarve vs Fusion 360 vs Easel vs Carbide Create
Compare CNC router software: VCarve, Fusion 360, Easel, and Carbide Create. Features, pricing, learning curves, and recommendations for every user level.
- G-Code Senders Compared: UGS vs Candle vs bCNC vs ChiliPeppr
Compare the best **G-code** sender software for CNC machines. Universal Gcode Sender vs Candle vs bCNG vs ChiliPeppr with features, pros and cons for hobby users.
- Best Desktop CNC Machines for Hobbyists: 2026 Buyer Guide
Compare the best desktop CNC machines for hobbyists in 2026. Shapeoko 5 Pro vs Onefinity Machinist X-35 vs Nomad 3 with specs, pricing, and recommendations.
- Best CAM Software for Beginners in 2026: Reviewed
Compare the best CAM software for CNC beginners. Free and paid options — Fusion 360, Carbide Create, Easel, FreeCAD, and more with features.
- Best CNC Router Under $500: Top Budget Picks for 2026
Best CNC router under $500 reviewed — Genmitsu 3018, Lunyee 3018 Pro, and more. Compare features, pros and cons, and what to expect from a budget CNC machine.
- Free CAM Software for CNC: Best Options Compared (2026)
Free CAM software for CNC machining compared — Fusion 360, Carbide Create, FreeCAD, and more. Features, limitations, and which to choose for your needs.
RESOURCES
Resources
- AI in CNC Machining 2026: What Is Real vs Hype?
AI in CNC machining: what is real and what is hype in 2026. Adaptive control, predictive maintenance, and AI-assisted toolpath optimization explained.
- Free Online G-Code Simulators: Best Browser-Based CNC Tools for 2026
Best free online **G-code** simulators for CNC programmers. Browser-based tools to visualize, verify, and debug G-code before cutting. No installation required.
- CNC Learning Roadmap 2026: From Zero to Confident Machinist
A structured 6-month CNC learning roadmap for beginners. Learn G-code, CAM, machine setup, and practical machining skills step by step.
SHOP NOTES
Shop Notes
- 5 Reasons Your First CNC Project Fails (And How to Fix Each)
The top 5 reasons beginner CNC projects fail — and exactly how to fix each one. Learn from common mistakes before you make them.