Stage 1 CAD Mindset & Coordinate Basics Goal: build CAD mental model before touching tool details. BeginnerConcepts2D
Stage 2 Command Grammar & 2D Drafting Operations Goal: become fluent in command-level execution speed. 2DCommandPractice
Stage 3 3D Thinking and Parametric Basics Goal: switch from line-based mindset to model-based mindset. 3DParametricBeginner
Stage 4 File Formats, Standards, and Handoff Goal: avoid real-world collaboration failures and rework. FormatsStandardsCollaboration
Stage 5 Domain Branching (AEC / MFG / Product / Civil) Goal: map career direction to software and workflow requirements. AECMFGCareer
Stage 6 End-to-End Mini Project Loop Goal: transform fragmented skills into complete practical capability. ProjectWorkflowRetention