Beyond sewing, prop-making plays a crucial role in cosplay. Weapons, accessories, and intricate props are meticulously crafted using a variety of materials such as foam, thermoplastics, and resin. Cosplayers employ techniques like foam carving, heat shaping, and painting to bring these props to life, adding an extra layer of authenticity to their costumes.

Armor construction is another hallmark of cosplay craftsmanship, particularly in genres like fantasy and science fiction. Cosplayers utilize materials like worbla, EVA foam, and fiberglass to sculpt intricate armor pieces that mimic the look and feel of their chosen characters. Whether it's the gleaming plates of a knight's armor or the futuristic exoskeleton of a space marine, armor crafting requires precision, patience, and a keen eye for detail.