Interference Checker - Product Description

Overview

Interference Checker is a Blender addon that detects and visualizes mesh interference and clearance between objects using real-time GPU overlays — without any Boolean operations.

Designed for 3D print creators who need precise fit verification before printing.

Key Features

Interference Detection

• Three detection modes: AABB (Fast), BVH (Precise), and Combined
• Real-time GPU overlay highlighting intersecting faces, boundary points, and intersection segments
• Supports multiple base and target objects simultaneously

Proximity Check

• Place an observation box (IC_ProximityBox) at any location using Blender's standard transform tools
• Face heatmap overlay shows clearance in color-coded visualization
• Mode A (Clearance Monitor): Red for faces below threshold, green-to-blue gradient for faces within range
• Mode B (Fit Check): Green for faces matching the target value, red for everything else
• Correction value for compensating printer expansion/shrinkage

Workflow

• No destructive operations — overlays only
• Works with subdivision and Boolean modifiers (evaluated mesh)
• EN/JA multilingual support

Recommended Use Cases

• Magazine / housing fit verification
• Snap-fit and joint clearance checking
• Pre-print interference detection for resin 3D printing

Requirements

• Blender 4.5 or later