Dr. D-Flo Courses

How to Convert a Manual Mill to CNC

3 ratings

A garage DIY build converts a manual mill to CNC with ball screws, stepper motors, LinuxCNC, probing, and test cuts.

• YouTube
• 27 minutes
• Self-Paced
• Free Video

How to Extrude 3D Printer Filament - Basics of Screw Extrusion

1 rating

See how a screw extruder turns thermoplastic pellets into 3D printer filament, and how polymer structure shapes extrusion across several materials.

• YouTube
• 35 minutes
• Self-Paced
• Free Video

Building a Large Format 3D Printer - Upgrades!

Upgrading a large-format pellet 3D printer with closed-loop motors, CAN expansion, vibration-assisted feeding, battery backup, and an enclosed heated chamber.

• YouTube
• 41 minutes
• Self-Paced
• Free Video

Building a Large Format 3D Printer - Printing

Explore pellet-fed large-format 3D printing by installing a Venturi conveyance system, printing furniture-scale objects, and evaluating material, power, and recycling.

• YouTube
• 27 minutes
• Self-Paced
• Free Video

Building a Large Format 3D Printer - Electrical

Builds and wires a large-format pellet-extrusion 3D printer, including auto-squaring, heated-bed installation, bed leveling, and a test print.

• YouTube
• 38 minutes
• Self-Paced
• Free Video

Building a Large Format 3D Printer - Part 2: Motion

Assemble and modify seven long-travel linear actuators to position a heavy pellet extruder inside a large-format 3D printer.

• YouTube
• 28 minutes
• Self-Paced
• Free Video

Building a Large Format 3D Printer - Part 1: Pellet Extruder

Build a 4×4×4-foot 3D printer using a high-throughput pellet extruder, Cartesian linear motion, custom-machined parts, and a 25-point leveling system.

• YouTube
• 26 minutes
• Self-Paced
• Free Video

Building an Epic DIY 3D Printer - Voron 2.4 with Mods

Build a Voron 2.4 CoreXY printer while exploring its flying gantry, quad gantry leveling, enclosure, and performance-oriented modifications.

• YouTube
• 1 hour 17 minutes
• Self-Paced
• Free Video

Industrial 3D Scanning and Printing with 3DChimera - FFF & SLS

See how 3D scanning and reverse engineering turn an undocumented part into printed carbon-fiber soft jaws and SLS alternatives for CNC machining.

• YouTube
• 44 minutes
• Self-Paced
• Free Video

Rigid Tapping with New Motor and VFD - DIY CNC Mill Upgrades

Upgrade a CNC mill for rigid tapping by installing an inverter-duty motor, vector VFD, and spindle encoder, then test synchronized threading in aluminum.

• YouTube
• 51 minutes
• Self-Paced
• Free Video

Building a Selective Laser Sintering -SLS- 3D Printer

Build a DIY selective laser sintering 3D printer, calibrate it, and use nylon powder to produce functional parts.

• YouTube
• 1 hour 16 minutes
• Self-Paced
• Free Video

AC Servo Motors and FogBuster Mist Coolant - DIY CNC Mill Upgrades

Upgrade a DIY CNC mill with AC servo motors, closed-loop tuning, and minimum-quantity lubrication for improved accuracy, speed, and cut quality.

• YouTube
• 41 minutes
• Self-Paced
• Free Video

Fabricating a Mill Enclosure for Flood Coolant

Build a DIY CNC mill enclosure for flood coolant, combining CAD, metal fabrication, mill upgrades, and a 3D-printed chip drawer.

• YouTube
• 44 minutes
• Self-Paced
• Free Video

Rack and Pinion Upgrade for Faster Large Format 3D Printing - Part 6

Upgrade large format 3D printer with custom rack and pinion linear actuators for 3X speed and reliability. Learn design, machining, and optimization of linear motion systems for improved performance.

• YouTube
• 46 minutes
• Self-Paced
• Free Video

Affordable Large Format 3D Printer - Elegoo OrangeStorm Giga Review

Comprehensive review of Elegoo OrangeStorm Giga, a large-format 3D printer. Covers assembly, features, and performance, showcasing its massive build volume and versatility for hobbyist projects.

• YouTube
• 24 minutes
• Self-Paced
• Free Video