SoftImage|XSI Valve Source Addon

The XSI Add-On for Valve Source includes the very same XSI...

SoftImage|XSI Valve Source Addon

The XSI Add-On for Valve Source includes the very same XSI plug-ins used by Valve to create Half-Life 2, and other Source engine models and 3D artwork. Add-ons are a feature that let you add customizations to XSI, including layouts, toolbars, key maps, custom commands, and more. The XSI Mod Tool requires specially prepared Add-ons, and will not operate with Add-ons intended only for XSI Foundation, Essentials or Advanced. Please refer to the XSI Mod Tool download page for a list of available XSI Mod Tool Add-ons.

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