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 ---
 title: 'Charts and References'
 date: 2021-09-15T19:12:30-05:00
-lastmod: 2022-12-21
+lastmod: 2024-03-24
 description: 'A selection of useful reference charts'
 ---
 [European Steel and Alloy Grades / Numbers and equivalents](http://steelnumber.com/)\
 [Japanese Engraver/Chisel Shapes & Geometries](https://discord.com/channels/251051817398435841/251054378062970880/798294831167176714)\
 [Machinability comparison chart](http://www.carbidedepot.com/formulas-machinability.htm)\
-[Iron-carbon phase diagram](static/iron-carbon-phase-diagram.png)\
-[Junkyard Steel](static/junkyard-steel.png)\
-[AISI/SAE Steel and Alloys](https://www.engineeringtoolbox.com/aisi-sae-steel-numbering-system-d_1449.html)
+[Iron-carbon phase diagram](/images/iron-carbon-phase-diagram.png)\
+[Junkyard Steel](/images/junkyard-steel.png)\
+[AISI/SAE Steel and Alloys](https://www.engineeringtoolbox.com/aisi-sae-steel-numbering-system-d_1449.html)\
+[Steel temper colors](/images/temper-colors.jpg)\
+[Steel heat colors](/images/heat-colors.jpg)\
+[Visual identification of steel](/images/visual-identification-steel.jpg)\
+[Titanium anodization voltage chart](/images/titanium-anodization-chart.jpg)
diff --git a/content/pages/specializations/pattern_welding.md b/content/pages/specializations/pattern_welding.md
index a47bafd..1c1cde0 100644
--- a/content/pages/specializations/pattern_welding.md
+++ b/content/pages/specializations/pattern_welding.md
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 ---
 title: "Pattern Welding"
 date: 2021-09-15T17:54:49-05:00
+lastmod: 2024-03-24
+description: "References for all things related to pattern welding, sometimes known colloquially as Damascus"
 ---
 
 ## Links
 [Mokume Gane](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.190.5545&rep=rep1&type=pdf)
 
-[Mokume Gane Compatibility Table](https://discordapp.com/channels/251051817398435841/251054378062970880/744699258996916285)
+[Mokume Gane Compatibility Table](/images/mokume-gane-compatibility-chart.jpg)
 
 [How to etch Damascus Steel](https://flatlineforge.com/2020/12/10/etching-steel/)
 
+[Pattern playground](https://dmt.msbpro.com/#pane=Tile) - Browser app for experimentation with layer counts and techniques
+
 ## Books
 Mokume Gane — A Comprehensive Study by Steven Jacob
 
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