Portable 3D Print Preview Renderings for Defect Detection

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional three-dimensional printing systems often produce digital models with errors, artifacts, or defects that prevent accurate printing, and they fail to provide reliable previews of printability, appearance, and integrity, leading to frustration when printed objects do not match digital models.

Innovation Solution

The system generates digital previews that perform printability, appearance, and integrity analyses on three-dimensional models, identifying defects and anomalies, and provides lightweight, portable renderings in a PDF format, allowing users to visualize and interact with the results.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If conventional three-dimensional printing systems generate digital previews, then users can visualize the printed object, but the previews do not accurately reflect printability issues, appearance defects, or model integrity problems

Engineering Contradiction:
Improvepreview accuracyVSAvoidpreview reliability
Core Design Contradiction:
Measurement precisionVSReliability

Solution Approach 1:

The system performs preliminary analysis of the three-dimensional model before generating the preview, conducting printability, appearance, and integrity analyses to identify potential issues. This allows the preview to accurately reflect problems that will affect the printed object, rather than simply displaying the model as-is.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system introduces texture maps as an intermediary layer between the three-dimensional model and the preview rendering. These texture maps encode analysis results (printability, appearance, integrity data) and are applied to the model surface, allowing the preview to visually communicate model quality issues without requiring complex real-time calculations.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Loss of information

If conventional systems provide detailed digital previews, then users can see model details, but the data files become bulky and require specialized software for viewing

Engineering Contradiction:
Improvepreview information completenessVSAvoidsoftware requirements
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The system creates a simplified copy of the three-dimensional model specifically for preview purposes. Instead of working with the full-resolution printable model, it generates a lower-resolution version with applied texture maps that convey essential quality information. This copy can be viewed with standard software while retaining the key analytical insights.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The system extracts only the essential quality information from the comprehensive model analysis and encodes it into texture maps. Rather than requiring users to view or process the entire detailed model data, the preview extracts and displays the critical printability, appearance, and integrity information in a condensed visual format.

Inventive Principle:
Principle #2Taking out (Extraction)

3Measurement precision

If the system performs comprehensive printability, appearance, and integrity analyses, then users can identify model defects, but the processing requirements become computationally prohibitive for personal computers and mobile devices

Engineering Contradiction:
Improvedefect detection accuracyVSAvoidprocessing power consumption
Core Design Contradiction:
Measurement precisionVSUse of energy by moving object

Solution Approach 1:

The system segments the comprehensive analysis into distinct components: printability analysis, appearance analysis, and integrity analysis. Each analysis type generates its own texture map, allowing the processing to be distributed and managed separately. This segmentation enables efficient processing by focusing computational resources on specific analysis types rather than treating them as a monolithic task.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system creates simplified representations of the model data through texture maps that encode analysis results. Instead of performing complex real-time calculations during preview generation, it uses pre-computed texture maps applied to a simplified model copy, dramatically reducing the computational power and energy required for display while maintaining defect detection accuracy.

Inventive Principle:
Principle #26Copying

4Reliability

If the system generates accurate previews that reflect all model issues, then users can make informed printing decisions, but the preview generation time increases significantly

Engineering Contradiction:
Improvepreview reliabilityVSAvoidpreview generation time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system generates previews using a simplified copy of the model with applied texture maps rather than performing exhaustive real-time analysis during preview generation. The texture maps are applied to a reduced-resolution version of the model, allowing accurate quality assessment to be displayed quickly without requiring full computational processing of the original high-resolution model.

Inventive Principle:
Principle #26Copying

Data Source

PatentUS9916684B2Generating portable three-dimensional print-preview renderings of three-dimensional models
Publication Date: 2018.03.13 ADOBE INC
  • US9916684B2 patent drawing
  • US9916684B2 patent drawing
  • US9916684B2 patent drawing

AI summary

The present disclosure is directed toward systems and methods for providing a preview that includes a visualization of various properties of an object to be printed from a three-dimensional input model. For example, systems and methods described herein involve performing one or more of a printability analysis, appearance analysis, true-visual analysis, accuracy analysis, and an integrity analysis to identify defects, visual characteristics and other properties of the object to be printed. Systems and methods described herein further relate to generating texture maps and applying the texture maps to three-dimensional renderings of the three-dimensional model to provide an interactive preview to enable a user to view and comprehend various issues associated with printing the object from the three-dimensional model.