T-Slot Extrusions

Basics

• Metal That Has Been Extruded into a rectangular prism shape with at least one side having a t shape indentation
• Allows for easy attachment of componets
• High quality t-slot materials also tend to be level and square etc, and thus are often used in cnc machines

Sourcing

Cheap

• A Reddit Discussion on Cheap Ways to Buy Aluminium Extrusions

External Links

• The Wikipedia Page on T-Slot Structual Framing