Feature Overview

File Loading

Multiple Load Methods

• Drag & Drop: Drag 3D files directly into the window
• Click to Upload: Click the upload area or toolbar Open button
• Clipboard Paste: Copy a 3D file and press Ctrl+V in the window

Smart File List

After loading a model, the app automatically scans the directory and shows all supported 3D files in the right panel:

• Use ↑ ↓ keys to select, Enter to load
• Click any file to switch instantly

3D Viewport

View Controls

Action	Effect
Left-click drag	Rotate
Right-click drag	Pan
Scroll wheel	Zoom
Double-click	Focus on model

Display Modes

• Solid: Full PBR material rendering
• Wireframe: Triangle mesh edges
• Solid+Wireframe: Both overlaid
• Grid: Reference grid helper

Interaction Tools

Transform Controls

Tool	Operation
Translate	Move model along X/Y/Z axes
Rotate	Rotate model around X/Y/Z axes
Scale	Scale model along X/Y/Z axes

Topology Selection

Mode	Selects	Use Case
Object	Whole part	General manipulation
Face	Triangle or geometry face	Local inspection
Edge	Mesh or topology edge	Structure analysis
Vertex	Mesh vertex	Precise measurement

Scene Management

Scene Tree

The left panel shows the model's hierarchical structure:

• Expand/collapse to inspect parts
• Click the eye icon to toggle visibility
• Right-click for more options

Model Statistics

The status bar shows real-time: vertex count, face count, material weight.

Model Export

Export the current model as:

• STL (universal triangle mesh)
• GLB (glTF 2.0 Binary)

Interface Customization

Theme

Mode	Use Case
Light	Bright environment
Dark	Low-light environment
System	Matches OS setting

Bilingual UI

• Chinese and English supported
• Manual switch or auto-follow system
• Instant switch, no restart needed