Teaching Tech Courses

Designing Strong Parts - Tips and Tricks - 3D Design for 3D Printing Pt5

Design a strong 3D-printed bracket and mount by orienting parts for strength, using trapped nuts, and testing printed assemblies.

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

Parts That Fit Odd Shaped Objects - 3D Design for 3D Printing

Design accurate 3D-printed parts for odd-shaped objects in Onshape using measurements, reference photos, prototypes, hole compensation, and part-splitting techniques.

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

Endless 3D Printing - DIY Conveyor Belt Delta Bed

Convert a delta 3D printer into an open-source conveyor-belt system that ejects finished parts for autonomous, continuous print queues.

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

E3D Revo Practical Review - Fast CoreXY 3D Printing

Review and test the E3D Revo hot-end system on a high-performance coreXY printer, covering installation, calibration, slicer troubleshooting, and nozzle-speed tests.

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

Sovol SV04 IDEX - Capable With One Big but Fixable Problem

A hands-on review of the Sovol SV04 IDEX 3D printer, testing dual extrusion, calibration, print modes, and whether its slicer profile holds it back.

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

Firmware Retraction - Why You Should Try It Out

Learn how firmware retraction differs from slicer-based retraction and configure it on Marlin, Klipper, or RRF 3D printers.

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

TwoTrees TS3 Laser Engraver Test - Perfect for Desktop or Lacking Power?

Tests a desktop diode laser’s engraving and cutting performance, including focus, software controls, material settings, and rotary-axis use.

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

Zesty Nimble V3 - An Ideal Hybrid or Just a Compromise?

A hands-on test of whether the lightweight Zesty Nimble V3 can combine direct-drive precision with Bowden-style low weight.

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

OmniaDrop Extruder on XChange - Fast TPU and More

Explore the OmniaDrop V2.1 extruder's capabilities for fast TPU printing and versatile filament use. Learn about installation, calibration, and performance comparison with other extruders on the XChange system.

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

Converting a Prusa to Duet RepRap Firmware With a Fly E3 Board - Step by Step Guide

Step-by-step conversion of a Prusa MK3 to RepRapFirmware on a Fly E3 board, adding Wi-Fi, sensorless homing, and Duet web control.

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

Klipper Interfaces - Step by Step Guide to 3.5 Options

Configure Klipper printer interfaces—from headless control and recycled devices to custom LCD menus and a Raspberry Pi touchscreen running KlipperScreen.

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

Smart Multi-Colour 3D Printing Using Only Sharpies and Printed Parts

Use printed parts and Sharpies to create multi-colour 3D prints with the free 3D Print Colorizer system.

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

3D Printed Fractal Vise - The Coolest Tool You Didn't Know You Needed

Design and 3D-print a fractal vise whose linked jaws morph to clamp almost any shape, from CAD planning through assembly and testing.

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

The Fantastic BIQU H2 Extruder-Hot End

Comprehensive review of BIQU H2 extruder/hot end, covering specs, assembly, mounting, cooling, setup, calibration, reliability issues, and print results. Compares with competitors and offers practical insights.

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

Ways to Add a Dual Z Axis - Including G34 Auto Z Levelling

Add a second Z axis to an Ender 3 using mechanical or dual-stepper upgrades, including Marlin’s G34 automatic gantry alignment.

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