Pattern Data
Welcome to the Blue Gem Pattern Database
Select an item above to view its Case Hardened blue gem pattern data. This tool displays patterns ranked by their blue percentage, sourced from CSBlueGem.
The "Sale Quantity" checkbox filters patterns based on recent sales data from the Steam Market (past 90 days).
Disclaimers:
All pattern images and blue percentage data are provided by CSBlueGem.com.
Pricing data is estimated based on recent Steam Market sales for specific patterns and may not reflect current market values.
This tool is for informational purposes only. Always verify information independently before making trades or purchases.
Mask Information:
The "blue percentage" is calculated based on how much of the weapon's texture mask is covered by the blue sections of the Case Hardened finish. Below is the mask for the AK-47:
The percentage shown represents the portion of this white area covered by blue.
Different weapon models have different masks. You can explore various masks on sites like PatternWiki.net:
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