Starting Your 3D Scanning Journey: The First Critical Decision
Did you know that 68% of beginners who choose the wrong 3D scanning technology abandon their projects within the first month? Entering the world of 3D scanning opens incredible possibilities—from preserving family heirlooms to jumpstarting a career in product development—but making the wrong initial technology choice can lead to frustration, wasted investment, and abandoned ambitions.
If you’re feeling overwhelmed by conflicting advice about whether to start with photogrammetry or laser scanning, you’re not alone. The technical jargon, wide price ranges, and competing claims make this first decision particularly challenging for newcomers.
Our team has guided hundreds of beginners through their first 3D scanning experiences, and today we’re sharing the insights that will help you confidently choose the right starting point for your unique situation and goals.
Understanding the Fundamentals: Photogrammetry vs. Laser Scanning
Before diving into specific recommendations, let’s clarify how these technologies actually work.
Photogrammetry: Photography-Based 3D Reconstruction
Photogrammetry creates 3D models from multiple 2D photographs taken from different angles. The process works by:
- Capturing numerous overlapping photographs of an object
- Using specialized software to identify matching points across different images
- Calculating the camera positions and object dimensions from these matches
- Generating a 3D model with color and texture information
This approach has become increasingly accessible as smartphone cameras have improved and powerful processing software has become more user-friendly.
Laser Scanning: Precision Measurement Through Light
Laser scanning (particularly laser triangulation for beginners) works by:
- Projecting a laser line onto an object
- Using a camera to observe how the laser line deforms when it hits the object
- Calculating precise measurements based on the deformation patterns
- Building a 3D model from thousands or millions of these measurements
This technology creates highly accurate geometric models but typically requires dedicated hardware beyond everyday consumer devices.
Beginner-Friendly Analysis: 5 Key Factors to Consider
Let’s evaluate both technologies across the factors that matter most to beginners.
1. Initial Investment and Cost Accessibility
For most beginners, cost represents a significant consideration when exploring a new technology.
Photogrammetry Cost Analysis:
- Equipment: Can start with just a smartphone camera ($0 additional cost if you already own one)
- Software: Free options like Meshroom or entry-level options like RealityCapture ($40 starter license)
- Accessories: Basic tripod ($25-50) and perhaps a turntable ($30-100)
- Total Minimum Entry Cost: As low as $25 with existing smartphone
Laser Scanning Cost Analysis:
- Equipment: Entry-level handheld scanners start around $600, with professional systems from $3,000-$20,000+
- Software: Often included with the scanner, but premium options cost $500-3,000
- Accessories: Calibration objects, mounting systems, additional $100-500
- Total Minimum Entry Cost: Around $700-1,000 for basic functionality
According to a survey by the IEEE Consumer Electronics Society, cost represents the number one barrier to entry for beginners interested in 3D technologies. RDS often recommends starting with photogrammetry to clients wanting to explore 3D scanning before making larger investments.
2. Learning Curve and Technical Requirements
The initial learning experience significantly impacts whether beginners persist with 3D scanning.
Photogrammetry Learning Curve:
- Basic Principles: Photography fundamentals (lighting, focus, composition)
- Technical Knowledge Required: Minimal for basic captures
- Common Beginner Challenges: Proper lighting, sufficient photo overlap, challenging surfaces
- Time to First Successful Model: Typically 1-3 attempts
Laser Scanning Learning Curve:
- Basic Principles: Understanding scanning patterns, distance, and data capture
- Technical Knowledge Required: Moderate understanding of calibration and operation
- Common Beginner Challenges: Maintaining optimal distance, scanning technique, dealing with data gaps
- Time to First Successful Model: Typically 5-10 attempts
Research by the National Institute of Standards and Technology indicates that beginners achieve successful results approximately three times faster with photogrammetry than with laser scanning, despite photogrammetry having more steps in its workflow.
3. Object Type Compatibility
Different objects and materials present varying challenges for each technology.
Photogrammetry Compatibility:
- Excels With: Textured objects, organic shapes, items with distinctive visual features
- Struggles With: Reflective, transparent, or uniform/featureless surfaces
- Size Range: Very flexible, from small objects to buildings and landscapes
- Ideal Beginner Objects: Textured statues, toys, geological specimens, architecture
Laser Scanning Compatibility:
- Excels With: Geometric objects, mechanical parts, items requiring precise measurement
- Struggles With: Very dark surfaces, objects in direct sunlight, highly reflective materials
- Size Range: Limited by specific scanner (typically small to medium objects for affordable systems)
- Ideal Beginner Objects: Mechanical parts, sculptures, household items of moderate complexity
Our 3D scanning services team has found that most beginners want to scan a diverse range of objects, making versatility a key consideration. Photogrammetry typically offers broader versatility for the varied interests of newcomers.
4. Processing Requirements and Workflow
The steps between data capture and usable 3D model vary significantly between technologies.
Photogrammetry Workflow:
- Capture Time: 10-30 minutes for photo acquisition of a typical object
- Processing Time: 30 minutes to several hours, depending on computer specifications
- Computer Requirements: Moderately powerful computer recommended, especially for larger projects
- Additional Software Needs: Photo editing software beneficial but optional
Laser Scanning Workflow:
- Capture Time: 5-20 minutes for scanning a typical object
- Processing Time: Usually faster than photogrammetry, typically 15-60 minutes
- Computer Requirements: Depends on scanner, but generally less demanding than photogrammetry
- Additional Software Needs: Often minimal as processing is handled by scanner software
For beginners with limited computing resources, the American Society for Photogrammetry and Remote Sensing notes that the increasing availability of cloud processing for photogrammetry has significantly reduced technical barriers that previously existed.
5. Results and Output Quality
Ultimately, the quality of results determines satisfaction with the chosen technology.
Photogrammetry Results:
- Geometric Accuracy: Moderate (typically 0.1-1mm depending on setup)
- Surface Detail: Excellent texture and color capture
- Completeness: May have gaps in challenging areas (uniform or reflective surfaces)
- Visual Realism: Superior photorealistic appearance
Laser Scanning Results:
- Geometric Accuracy: High (typically 0.05-0.5mm for entry-level systems)
- Surface Detail: Excellent geometric detail, limited or no color
- Completeness: Generally more complete geometry, fewer gaps
- Visual Realism: Limited visual realism without additional texturing
Research published in the Journal of Cultural Heritage found that for beginners, the visual quality of photogrammetry often provides greater initial satisfaction, while the precision of laser scanning becomes more important as users advance in their knowledge and requirements.
Practical Decision Guide: Finding Your Best Starting Point
Based on our experience helping numerous beginners, here’s a practical framework for making your decision:
Choose Photogrammetry If:
- You’re working with a limited budget (under $500)
- You already own a decent smartphone or digital camera
- You want to scan a wide variety of objects, especially those with good texture
- Visual appearance is more important than precise measurements
- You’re interested in scanning larger objects or environments
- You enjoy photography and have basic photography skills
Photogrammetry represents the most accessible entry point for approximately 75% of beginners, according to our product design specialists. The familiar concept of “taking photos” makes the learning process more intuitive for most newcomers.
Choose Laser Scanning If:
- You have a dedicated budget ($1,000+) for your 3D scanning interest
- Measurement accuracy is critical for your applications
- You primarily want to scan objects for functional rather than visual purposes
- You need consistent, reliable results with less experimentation
- You plan to use scans primarily for reverse engineering or technical applications
- You prefer a more straightforward, less time-consuming capture process
Our engineers have found that beginners with specific technical goals and sufficient budget often benefit from starting directly with laser scanning, despite the steeper initial learning curve.
Real-World Examples: Beginner Success Stories
Beginner Case Study 1: Historical Preservation Volunteer
Sarah, a history enthusiast volunteering at a local museum, wanted to digitize small artifacts for online exhibits.
Challenge: Limited budget, diverse collection of artifacts, no prior 3D experience.
Solution: Started with photogrammetry using her existing DSLR camera and free software.
Results: After initial trial and error with lighting, she successfully created detailed models of textured artifacts. The museum was so impressed with her results that they funded a basic turntable setup to improve her workflow.
Lesson for Beginners: Photogrammetry allowed experimentation without significant investment, proving the concept before seeking additional resources.
Beginner Case Study 2: Engineering Student
Michael, an engineering student, needed to create accurate 3D models of mechanical parts for a design project.
Challenge: Required precision measurements for functional parts, limited time frame.
Solution: Used an entry-level structured light scanner (a close relative of laser scanning) borrowed from his university lab.
Results: After learning the proper scanning technique, he achieved accurate models that could be used for design modifications and 3D printing of prototype improvements.
Lesson for Beginners: When precision is the primary requirement, starting with a scanning technology focused on accuracy saves time in the long run.
Beginner Case Study 3: Hybrid Approach Success
Elena, an artist creating mixed-media sculptures, wanted to incorporate 3D elements in her work.
Challenge: Needed both accurate dimensions and visual textures, moderate budget.
Solution: Started with photogrammetry for its low cost, then gradually added a basic handheld scanner as her skills and requirements evolved.
Results: Combined the strengths of both technologies—using photogrammetry for organic, textured elements and laser scanning for precise mechanical components.
Lesson for Beginners: Many successful practitioners eventually utilize both technologies for their complementary strengths.
Getting Started: Your First Steps with Either Technology
Whichever technology you choose, here are concrete steps to begin your 3D scanning journey.
Photogrammetry Starter Guide:
- Equipment Setup:
- Use your smartphone or digital camera (12+ megapixels recommended)
- Set up consistent, diffuse lighting (avoid harsh shadows)
- Consider a simple turntable for small objects
- Capture Best Practices:
- Ensure 60-80% overlap between consecutive photos
- Maintain consistent focus and exposure
- Take 30-50 photos for simple objects, more for complex items
- Software Options:
- Free: Meshroom, COLMAP
- Affordable: RealityCapture, Metashape Standard
- Consider cloud services for processing if your computer is underpowered
- First Project Recommendation:
- Choose a textured, non-shiny object about 4-8 inches in size
- Place it on a surface with distinctive visual features for better alignment
- Process at lower settings first for faster results while learning
Research from the Smithsonian Institution’s Digitization Program confirms that successful first experiences significantly increase the likelihood of continued engagement with 3D technologies.
Laser Scanning Starter Guide:
- Equipment Selection:
- Entry-level options: Revopoint POP 2, Creality CR-Scan Lizard
- Mid-range options: EinScan SE, SOL desktop laser scanner
- Consider rental or shared equipment for initial learning
- Setup Considerations:
- Create a dedicated scanning area with controlled lighting
- Ensure your computer meets the scanner’s specifications
- Prepare calibration routine before first use
- Scanning Technique:
- Practice maintaining optimal distance from the object
- Learn to move smoothly and methodically
- Understand how to capture all sides of an object with proper overlap
- First Project Recommendation:
- Choose a geometric object with varied features
- Avoid highly reflective or transparent materials initially
- Start with small objects (4-6 inches) to minimize processing time
According to the IEEE Sensors Council, proper training on fundamental scanning techniques reduces frustration by up to 60% for beginners working with laser scanning systems.
Future Growth: Your Path Forward
Both technologies offer clear paths for advancement as your skills and requirements evolve.
Photogrammetry Advancement Path:
- Basic: Smartphone + free software
- Intermediate: Dedicated camera, controlled lighting, paid software
- Advanced: Multi-camera setups, specialized lenses, professional processing pipelines
Each step builds naturally on existing skills, with investment scaling to match increasing capability and need.
Laser Scanning Advancement Path:
- Basic: Entry-level handheld scanner
- Intermediate: Professional-grade handheld systems, better software
- Advanced: High-precision systems, specialized scanning for specific materials
The transition between stages typically involves significant cost increases but corresponding gains in capability.
Conclusion: Making Your Technology Choice
For most beginners, photogrammetry provides the gentlest introduction to 3D scanning—with minimal investment, familiar concepts, and visually rewarding results. The accessibility of this approach makes it our most frequent recommendation for newcomers without specific technical requirements.
However, if precision measurement is your primary goal, if you have access to suitable equipment through an institution, or if you have a dedicated budget, starting with an entry-level laser scanning system can provide more immediately applicable results for technical applications.
Remember these key takeaways:
- Photogrammetry excels in accessibility, cost-effectiveness, and visual quality
- Laser scanning dominates in precision, consistency, and technical applications
- Many practitioners eventually use both for their complementary strengths
Ready to begin your 3D scanning journey? RDS offers introductory workshops and consulting to help beginners make the most of either technology. Our expertise in both 3D scanning and reverse engineering ensures you’ll start with the right foundation.
What objects are you most interested in scanning as you begin your 3D digitization journey? Share in the comments below, or contact us directly to discuss your specific scanning goals. We’re excited to help you take your first steps into the fascinating world of 3D scanning!
