Glass Block xTool K9 50×50×80 mm — optical-grade glass block for engraving and testing

The xTool K9 glass block (50 × 50 × 80 mm) is an optical-grade rectangular solid designed for precision engraving, laser calibration, alignment and display. Its flat faces and high transparency make it suitable for inspecting engraving results, mounting as a stable workpiece or using in optical demonstrations where consistent clarity and dimensional stability are required.

Advantages

The K9 optical glass offers high transparency and stable geometry, enabling clear, detailed internal and surface engravings. It is compatible with UV laser processing modes such as surface engraving, embossing and internal engraving, providing versatility for testing, prototyping and finished decorative pieces. Its compact size and uniform surfaces simplify handling and positioning during engraving and measurement tasks.

Suitable for

• Precision UV laser engraving and internal 3D engraving tests
• Calibrating and aligning xTool F2 Ultra UV laser systems
• Prototyping and quality inspection of engraving settings
• Small decorative displays, awards or personalized gifts

When it may not be suitable

This glass block is not intended for structural or load-bearing applications and should not be used where mechanical strength or impact resistance is required. It may be unsuitable for very large-scale production tasks because of its small, fixed dimensions; for high-volume production, larger or different-format materials may be more practical.

Key specifications

• Material: optical-grade glass (K9)
• Color: transparent
• Dimensions: 50 × 50 × 80 mm
• Compatible processing modes: UV laser engraving, UV laser embossing, UV internal laser engraving
• Recommended use: precision engraving, calibration, display

How to use

Place the glass block on a flat, stable work surface or an appropriate fixture in the xTool F2 Ultra UV laser engraver. Ensure the work area is clean and the block is free of dust or fingerprints that could affect engraving quality. Configure the laser settings according to material and process (surface engraving, embossing or internal engraving) and perform a test run on a spare area or sample to confirm focus and power before proceeding with final work.

What to consider before purchase

• Confirm compatibility with your UV laser system, specifically xTool F2 Ultra for full-featured support
• Assess whether the 50×50×80 mm size fits your project requirements and fixtures
• Consider the handling and storage needs of optical glass to avoid scratches and contamination

Usage recommendations

For reliable engraving results, clean the block with a lint-free cloth and isopropyl alcohol, verify laser focus and power on a test area, and secure the block to prevent movement during processing.