Taxonomy Distribution Report

Overview

• Total Concepts: 292
• Number of Taxonomies: 16
• Average Concepts per Taxonomy: 18.2

Distribution Summary

Category	TaxonomyID	Count	Percentage	Status
Printer Hardware And Modern Tech	HARD	52	17.8%	✅
Slicing And Toolpaths	SLIC	29	9.9%	✅
Materials Science	MAT	24	8.2%	✅
AI In Additive Manufacturing	AIAM	21	7.2%	✅
AM Process Families	PROC	20	6.8%	✅
Design For AM And Metrology	DFAM	20	6.8%	✅
CAD Software And Modeling	CAD	19	6.5%	✅
Troubleshooting And Post-Processing	TROB	19	6.5%	✅
Engineering Design Process And Capstone	EDP	16	5.5%	✅
Safety Ethics And Sustainability	SAFE	13	4.5%	✅
Digital Workflows And Careers	WORK	12	4.1%	✅
History And Context	HIST	10	3.4%	✅
Standards And Terminology	STND	10	3.4%	✅
Resin Printer Operation	RESN	10	3.4%	✅
Mesh And File Formats	FILE	9	3.1%	✅
Foundation Concepts	FOUND	8	2.7%	ℹ️ Under

Visual Distribution

Printer Hardware And Mode ████████  52 ( 17.8%)
Slicing And Toolpaths     ████  29 (  9.9%)
Materials Science         ████  24 (  8.2%)
AI In Additive Manufactur ███  21 (  7.2%)
AM Process Families       ███  20 (  6.8%)
Design For AM And Metrolo ███  20 (  6.8%)
CAD Software And Modeling ███  19 (  6.5%)
Troubleshooting And Post- ███  19 (  6.5%)
Engineering Design Proces ██  16 (  5.5%)
Safety Ethics And Sustain ██  13 (  4.5%)
Digital Workflows And Car ██  12 (  4.1%)
History And Context       █  10 (  3.4%)
Standards And Terminology █  10 (  3.4%)
Resin Printer Operation   █  10 (  3.4%)
Mesh And File Formats     █   9 (  3.1%)
Foundation Concepts       █   8 (  2.7%)

Balance Analysis

✅ No Over-Represented Categories

All categories are under the 30% threshold. Good balance!

ℹ️ Under-Represented Categories (<3%)

• Foundation Concepts (FOUND): 8 concepts (2.7%)
• Note: Small categories are acceptable for specialized topics

Category Details

Printer Hardware And Modern Tech (HARD)

Count: 52 concepts (17.8%)

Concepts:

• 1. FDM Printer Anatomy
• 1. Nozzle
• 1. Hotend
• 1. Heat Break
• 1. Bowden Vs Direct Drive
• 1. Extruder Mechanism
• 1. Stepper Motors
• 1. Belts And Pulleys
• 1. Lead Screws
• 1. Linear Bearings
• 1. Motherboard Firmware
• 1. Build Surface Types
• 1. Auto Bed Leveling
• 1. Manual Bed Leveling
• 1. Z Offset Calibration
• ...and 37 more

Slicing And Toolpaths (SLIC)

Count: 29 concepts (9.9%)

Concepts:

• 1. Slicer Software
• 1. G-code Basics
• 1. G-code Reading
• 1. Layer Height
• 1. First Layer Settings
• 1. Wall Count
• 1. Infill Density
• 1. Infill Patterns
• 1. Print Speed
• 1. Travel Moves
• 1. Retraction Settings
• 1. Print Temperature
• 1. Bed Temperature
• 1. Cooling Fan Settings
• 1. Adhesion Type
• ...and 14 more

Materials Science (MAT)

Count: 24 concepts (8.2%)

Concepts:

• 1. Polymer Basics
• 1. Thermoplastics
• 1. Glass Transition Temperature
• 1. Tensile Strength
• 1. Elongation At Break
• 1. Material Data Sheet
• 1. PLA Filament
• 1. PETG Filament
• 1. ABS Filament
• 1. ASA Filament
• 1. TPU Filament
• 1. Nylon Filament
• 1. Polycarbonate Filament
• 1. Composite Filaments
• 1. Filament Storage And Drying
• ...and 9 more

AI In Additive Manufacturing (AIAM)

Count: 21 concepts (7.2%)

Concepts:

• 1. AI In Additive Manufacturing
• 1. Computer Vision Basics
• 1. Machine Learning Basics
• 1. Neural Networks Overview
• 1. First-Layer Vision Check
• 1. Spaghetti Detection
• 1. Obico Open Monitoring
• 1. Bambu Lab AI Inspection
• 1. Time-Lapse Print Capture
• 1. Defect Classification Models
• 1. Automatic Print Pause
• 1. Predictive Maintenance ML
• 1. AI Slicer Optimization
• 1. Text-To-CAD Generation
• 1. AI Material Recommender
• ...and 6 more

AM Process Families (PROC)

Count: 20 concepts (6.8%)

Concepts:

• 1. Material Extrusion
• 1. Vat Photopolymerization
• 1. Powder Bed Fusion
• 1. Material Jetting
• 1. Binder Jetting
• 1. Directed Energy Deposition
• 1. Sheet Lamination
• 1. FDM FFF Process
• 1. SLA Process
• 1. MSLA Process
• 1. DLP Process
• 1. SLS Process
• 1. MJF Process
• 1. DMLS Process
• 1. EBM Process
• ...and 5 more

Design For AM And Metrology (DFAM)

Count: 20 concepts (6.8%)

Concepts:

• 1. DfAM Principles
• 1. Overhangs
• 1. Bridging
• 1. Part Orientation Strategy
• 1. Support Minimization
• 1. Wall Thickness Rules
• 1. Hole And Slot Tolerances
• 1. Tolerance Allowances
• 1. Self-Supporting Angles
• 1. Lattice Structures
• 1. Topology Optimization
• 1. Generative Design
• 1. Lightweighting
• 1. Dimensional Accuracy
• 1. Calipers
• ...and 5 more

CAD Software And Modeling (CAD)

Count: 19 concepts (6.5%)

Concepts:

• 1. CAD Software Overview
• 1. 2D Sketching
• 1. Sketch Constraints
• 1. Parametric Modeling
• 1. Feature-Based Modeling
• 1. Extrude Feature
• 1. Revolve Feature
• 1. Sweep And Loft
• 1. Fillet And Chamfer
• 1. Shell Feature
• 1. Pattern Features
• 1. Boolean Operations
• 1. Reference Geometry
• 1. Assemblies
• 1. Mate Constraints
• ...and 4 more

Troubleshooting And Post-Processing (TROB)

Count: 19 concepts (6.5%)

Concepts:

• 1. Troubleshooting Workflow
• 1. Warping
• 1. First-Layer Failures
• 1. Stringing
• 1. Under-Extrusion
• 1. Over-Extrusion
• 1. Layer Separation
• 1. Elephants Foot
• 1. Ringing And Ghosting
• 1. Clogged Nozzle
• 1. Failed Adhesion
• 1. Resin Print Failures
• 1. Support Removal
• 1. Sanding And Finishing
• 1. Painting And Priming
• ...and 4 more

Engineering Design Process And Capstone (EDP)

Count: 16 concepts (5.5%)

Concepts:

• 1. PLTW Design Process
• 1. Problem Definition
• 1. Research Phase
• 1. Ideation And Sketching
• 1. Design Specifications
• 1. Concept Selection
• 1. Prototyping
• 1. Iteration Cycle
• 1. Testing And Validation
• 1. Engineering Communication
• 1. Engineering Notebook
• 1. Portfolio Development
• 1. Capstone Project Planning
• 1. Functional Prototype Design
• 1. Design Documentation
• ...and 1 more

Safety Ethics And Sustainability (SAFE)

Count: 13 concepts (4.5%)

Concepts:

• 1. Workshop Safety
• 1. VOC And UFP Exposure
• 1. Ventilation Requirements
• 1. Fire Safety
• 1. Resin Disposal
• 1. Filament Recycling
• 1. Sustainability In AM
• 1. Intellectual Property
• 1. Open-Source Licenses
• 1. Creative Commons For 3D
• 1. Ethical Use Of AM
• 1. Restricted Designs
• 1. Multi-Material Waste

Digital Workflows And Careers (WORK)

Count: 12 concepts (4.1%)

Concepts:

• 1. File Naming Conventions
• 1. Version Control For CAD
• 1. Print Farm Concepts
• 1. Print Queue Management
• 1. Manufacturing Career Clusters
• 1. SME Education Foundation
• 1. NC3 Certifications
• 1. NIMS Certifications
• 1. Community College Pathways
• 1. Dual Credit Programs
• 1. ABET Outcomes Alignment
• 1. Apprenticeship Pathways

History And Context (HIST)

Count: 10 concepts (3.4%)

Concepts:

• 1. Industrial Revolution
• 1. Subtractive Manufacturing
• 1. Additive Manufacturing
• 1. Stereolithography Invention
• 1. FDM Patent Expiration
• 1. Desktop Printer Revolution
• 1. RepRap Project
• 1. America Makes Institute
• 1. AM Innovation Institutes
• 1. Maker Movement

Standards And Terminology (STND)

Count: 10 concepts (3.4%)

Concepts:

• 1. ISO Standards Body
• 1. ASTM International
• 1. ISO ASTM 52900 Standard
• 1. AM Process Categories
• 1. AM Vocabulary Glossary
• 1. Layer-By-Layer Principle
• 1. Build Volume
• 1. Build Plate
• 1. Z Axis Direction
• 1. Anisotropy

Resin Printer Operation (RESN)

Count: 10 concepts (3.4%)

Concepts:

• 1. Resin Printer Anatomy
• 1. LCD And Light Source
• 1. Resin Vat And FEP
• 1. Exposure Settings
• 1. Resin Supports
• 1. Wash And Cure Workflow
• 1. IPA Handling
• 1. Resin PPE
• 1. Mono LCD Resolution
• 1. Large-Format Resin

Mesh And File Formats (FILE)

Count: 9 concepts (3.1%)

Concepts:

• 1. STL File Format
• 1. 3MF File Format
• 1. OBJ File Format
• 1. Mesh Geometry
• 1. Triangle Resolution
• 1. Mesh Repair
• 1. Manifold Geometry
• 1. Non Manifold Errors
• 1. STL Export Settings

Foundation Concepts (FOUND)

Count: 8 concepts (2.7%)

Concepts:

• 1. Algebra Basics
• 1. Geometry Basics
• 1. Units And Measurement
• 1. Computer File Management
• 1. Mouse And 3D Navigation
• 1. Basic Physics Concepts
• 1. Mass And Density
• 1. Force And Pressure

Recommendations

• ✅ Good balance: Categories are reasonably distributed (spread: 15.1%)
• ✅ MISC category minimal: Good categorization specificity

Educational Use Recommendations

• Use taxonomy categories for color-coding in graph visualizations
• Design curriculum modules based on taxonomy groupings
• Create filtered views for focused learning paths
• Use categories for assessment organization
• Enable navigation by topic area in interactive tools

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Report generated by learning-graph-reports/taxonomy_distribution.py