3D Printing Design Course

Lesson 1 • Common 3D Printing Materials

Introduces plastics, resins, metals, and composites used in 3D printing. Material choice directly affects design decisions covered in later chapters.

Lesson 2 • How 3D Printing Works

Covers the additive manufacturing process from digital file to physical object. Grounds learners in layer-by-layer fabrication logic before exploring specific technologies.

Lesson 3 • Applications Across Industries

Maps 3D printing use cases in prototyping, manufacturing, healthcare, and consumer goods. Contextualises why design quality matters for real outcomes.

Lesson 4 • Limitations and Design Constraints

Identifies physical and process-based constraints that shape every design decision. Sets realistic expectations before learners begin modelling.

Lesson 1 • Choosing the Right Modelling Software

Compares parametric CAD, mesh modelling, and sculpting tools by use case. Helps learners select the appropriate tool for their design goals.

Lesson 2 • Exporting Print-Ready Files

Covers STL, OBJ, and 3MF export settings for accurate print preparation. Correct export prevents geometry errors that cause print failures.

Lesson 3 • Boolean Operations and Assembly

Introduces union, difference, and intersection operations for complex geometry. Assembly tools allow multi-part designs to be validated before printing.

Lesson 4 • Sketch-Based and Parametric Modelling

Covers constrained 2D sketching and feature-based 3D modelling workflows. Parametric history enables fast design revisions critical for iterative printing.

Lesson 1 • Tolerances and Fit for Printed Parts

Covers dimensional compensation and clearance values for mating printed parts. Correct tolerances ensure assemblies function without post-print machining.

Lesson 2 • Infill, Shells, and Structural Optimisation

Explains how infill patterns and shell count affect strength and material use. Learners design geometry that uses slicer settings for optimal results.

Lesson 3 • Overhangs, Bridges, and Supports

Teaches overhang angle limits and bridging distances for support-free printing. Reducing supports cuts print time, material use, and surface damage.

Lesson 4 • Core DfAM Principles

Introduces the mindset shift from traditional manufacturing to additive design. Establishes rules that govern all subsequent design decisions in this chapter.

Lesson 1 • Layer Height and Print Quality Settings

Covers layer height, line width, and their effect on surface quality and print time. These settings are the primary levers for balancing quality and speed.

Lesson 2 • Support Generation and Placement

Covers automatic and manual support strategies within the slicer. Optimised supports reduce removal effort and surface scarring on finished parts.

Lesson 3 • Temperature, Speed, and Cooling

Teaches how nozzle temperature, print speed, and cooling fan settings interact. Correct calibration prevents stringing, warping, and layer delamination.

Lesson 4 • Saving and Sending Print Files

Covers G-code generation, file transfer methods, and printer communication. Reliable file delivery prevents mid-print failures caused by data errors.

Lesson 1 • Monitoring and Intervening During Prints

Covers real-time print monitoring techniques and when to pause or abort. Early intervention prevents wasted material and printer damage.

Lesson 2 • Documenting and Repeating Successful Prints

Establishes practices for saving print profiles and logging successful parameters. Repeatability is essential for professional and production-level printing.

Lesson 3 • Printer Setup and Calibration

Covers bed levelling, nozzle height, and first-layer calibration procedures. Proper setup is the single most important factor in print success rate.

Lesson 4 • Diagnosing Common Print Defects

Identifies causes and fixes for warping, stringing, under-extrusion, and layer shifts. Systematic diagnosis reduces trial-and-error and material waste.

Lesson 1 • Sanding, Filing, and Mechanical Finishing

Teaches progressive sanding grits, filing, and scraping for smooth surfaces. Mechanical finishing is the most universally applicable post-processing method.

Lesson 2 • Priming, Painting, and Coating

Guides learners through primer selection, paint application, and protective coatings. Proper finishing enhances aesthetics and extends part durability.

Lesson 3 • Support Removal and Cleanup

Covers safe removal of supports and cleanup of contact scars on printed parts. Clean removal is the first step towards a professional surface finish.

Lesson 4 • Chemical and Heat Smoothing

Covers solvent smoothing, vapour polishing, and heat gun techniques by material. Chemical methods achieve smoother results faster than mechanical sanding alone.

Lesson 1 • Lattice Structures and Generative Geometry

Covers lattice infill design, Voronoi patterns, and generative geometry tools. These techniques reduce weight while maintaining structural performance in printed parts.

Lesson 2 • Multi-Material and Multi-Colour Design

Covers designing parts for dual-extrusion and material-change printing workflows. Multi-material design expands functional and aesthetic possibilities significantly.

Lesson 3 • Surface Modelling and Organic Shapes

Introduces NURBS surfaces, T-splines, and sculpting for non-prismatic geometry. Organic forms require surface tools beyond standard parametric solid modelling.

Lesson 4 • Reverse Engineering and Scan-to-Print

Introduces 3D scanning workflows and mesh-to-CAD reconstruction techniques. Reverse engineering enables repair, customisation, and replication of existing objects.

Lesson 1 • Defining Project Requirements and Constraints

Teaches structured requirement gathering and constraint mapping before modelling begins. Clear requirements prevent costly redesigns and align output to actual needs.

Lesson 2 • Iterative Design and Prototype Testing

Covers rapid iteration cycles using low-fidelity prints to validate design decisions. Iteration reduces risk before committing to final material and settings.

Lesson 3 • Post-Processing and Assembly of Final Parts

Applies finishing and joining techniques from earlier chapters to complete the project. Final assembly validates that all parts meet fit, form, and function requirements.

Lesson 4 • Presenting and Reviewing Design Work

Guides learners through structured design reviews and professional presentation of work. Communication of design decisions is a core professional competency.