Type
Examples
1
Any otherwise-legal Raw Stock that has been post-processed by drilling, machining, or otherwise removing material
Angle aluminum with regularly-spaced holes or slots Perforated sheet metal
2
Extrusions that do not fall under one of the categories listed in <VUR4>
Non-rectangular aluminum extrusions, such as 80/20, T-slot, or Octanorm Gear stock
3
Assembled items (or pre-arranged kits of unassembled items) that form a single, more complex component
Gearboxes Claw mechanisms Swerve drive modules
4
Commercial Off-the-Shelf items that are intended to be used with minimal modification
Wheels Gears Timing belts and pulleys
5
Materials that are intended to be cast or sintered
Resin / powdered-bed 3D printing Molten aluminum used for sand casting
Note: <VUR2> takes precedence over this rule. Materials purchased from VEX Robotics that fall under one of these categories (e.g., VersaFrame pre-drilled extrusion) are permitted.