Active last for forming an article of footwear

A last for forming an article of footwear, comprising:

• a plurality of interconnected channels extending through an interior of the last, wherein the plurality of interconnected channels comprises:
• a main channel;
• a plurality of branched channels;
• and
• a plurality of outlet ports spaced apart across an outer surface of the last, wherein each branched channel of the plurality of branched channels extends from a different location on the main channel to a respective outlet port of the plurality of outlet ports.

A method of forming an upper of an article of footwear, comprising:

• flowing a first material into a first inlet port of a last and through a plurality of interconnected first channels extending through an interior of the last to first outlet ports that are spaced apart from one another on an outer surface of the last, and flowing the first material from the first outlet ports directly onto a first portion of the outer surface of the last;
• flowing a second material into a second inlet port of the last and through a plurality of interconnected second channels extending through the interior of the last to second outlet ports that are spaced apart from one another on the outer surface of the last, and flowing the second material from the second outlet ports directly onto a second portion of the outer surface of the last;
• and
• solidifying the first and second materials on the outer surface of the last to form at least a portion of the article of footwear.