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LaserUser.com brings together a wide range of practical laser video tutorial series covering cutting, engraving, optics, machine setup, software, materials, troubleshooting and laser technology. The collection now includes dedicated learning paths for glass-tube CO₂ systems, RF upgrades, fibre lasers, diode lasers, LightBurn, K40 upgrades and evidence-led investigations into common laser myths and misunderstandings.
You will find videos on laser safety, materials, lenses, mirrors, laser tubes, maintenance advice, installation & setup, plus lots more.
You can search for a specific topic or follow one of the structured learning series below. If you are new to Chinese CO₂ laser systems, the Concise RDWorks Learning Lab is the best starting point.
Choose a Learning Path
Choose a structured series below. Each learning path opens its own hub with the relevant videos, notes and supporting material.
CO₂ FUNDAMENTALS
Concise RDWorks Learning Lab
A structured introduction to glass-tube CO₂ lasers, Ruida control, optics, alignment, cutting, engraving and maintenance.
K40 UPGRADES
K40 Xtreeem Upgrade
Follow a budget K40 machine as Russ rebuilds and upgrades it into a much more capable cutting and engraving platform.
CO₂ MACHINE TRAINING
Lightblade Learning Lab
Practical CO₂ laser tutorials built around the Thinklaser Lightblade 4060, covering setup, operation and workshop techniques.
RF CONVERSION
Tangerine Tiger
A hands-on conversion from a conventional glass-tube CO₂ machine to an RF laser source, including the engineering compromises and results.
FIBRE MARKING
Fibre Laser Learning Lab
Experimental fibre-laser marking tutorials covering MOPA behaviour, pulse settings, colour, focus, materials and process development.
DIODE TECHNOLOGY
Diode Lasers – Under the Hood
A 32-part investigation into 455 nm diode lasers, from beam behaviour and optics to cutting, engraving, materials and real-world limits.
EVIDENCE & TESTING
Laser Myths & Misunderstandings
Evidence-led investigations into beam behaviour, alignment, air assist, acrylic cutting, engraving, cooling and common rules of thumb.
LASER SOFTWARE
LightBurn Tutorials
Practical LightBurn tutorials covering setup, drawing tools, cut settings, cameras, positioning, projects and troubleshooting.
FULL ARCHIVE
Complete RDWorks Learning Lab
The original 230+ video journey through a China Blue CO₂ laser machine, documenting experiments, discoveries and practical learning.
Top Ten RDWorks Learning Lab Videos
A quick route into ten of the most popular RDWorks Learning Lab videos, ranked by average views per month. View the Top Ten →
Want to Contact Russ Sadler?
If you have arrived from one of Russ’s YouTube videos or LaserUser tutorials and would like to contact him, use the form below. Your message will be forwarded to Russ without publishing his personal email address.
