ENGINEERING STUDY / FIXTUREJS—02
Functional Drift-Gauge Screening Study
A functional gauge study establishing when a local drift screen is valid under a specific material-condition boundary.
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Automationengineering projectPrototype
GD&T Drawing Tokenizer and Ballooning Prototype
A local web application for extracting PDF drawing text, mapping GD&T-related tokens, supporting manual correction, and exporting inspection-oriented data.
MY FOCUSDeveloped the full-stack prototype, token workflow, correction UI, and export paths.
ENGINEERING VALUE
Shows how software can reduce inspection-document preparation while preserving a human verification step.
PROJECT SCOPE
Heuristic drawing-tokenization prototype; OCR partly scaffolded
Explore the project checks ↗ENGINEERING STUDY / DRAWINGJS—02
Engineering concept illustration.
01 / THE PROBLEM
The engineering challenge.
Inspection planning often requires repeated transcription of drawing callouts into structured reports.
02 / CONSTRAINTS
What the solution must consider.
- Vector-text extraction is more reliable than scanned drawing OCR; font mapping and third-party license review remain necessary.
03 / ENGINEERING APPROACH
Reasoning before geometry.
01
Engineering method
Prefer deterministic vector text when present, provide explicit manual correction, and treat OCR as a separate lower-confidence route.
02
Workflow features
PDF page rendering; Vector text extraction; Token mapping; Manual correction; Balloon/report workflow; CSV/JSON/XLSX-style export.
04 / DESIGN & IMPLEMENTATION
Connecting intent to execution.
The FastAPI and browser workflow combines drawing-text processing, token organization and font mapping.
- PDF page rendering
- Vector text extraction
- Token mapping
- Manual correction
- Balloon/report workflow
- CSV/JSON/XLSX-style export
05 / VALIDATION
The checks behind the design.
Prototype
Human review remains part of the workflow. Extraction accuracy needs evaluation against representative vector drawings and scanned drawings; the OCR path is still partly scaffolded.
06 / OUTCOME
The value of the work.
Shows how software can reduce inspection-document preparation while preserving a human verification step.
THE ENGINEERING PRINCIPLE
Automate the workflow, including its failure cases.
Reliable engineering automation needs input checks, predictable output, clear diagnostics and a way to verify that quantities and references were preserved. Saving clicks alone is not sufficient evidence of correctness.
A question for a technical conversation
What would you test when the input is incomplete, duplicated or outside the tool’s supported scope?
LET’S BUILD SOMETHING THAT WORKS
Good design belongs
on the shop floor.
Considering a role in mechanical design, manufacturing methods,
fixture design, or estimation? Let’s connect.