Those brightly colored macaroni-shaped beads that you align on a little pegboard and then fuse together using an iron? They're Wisconsin-based artist Steve Moore's , aka PXL8R, material of choice.

Swedish artist Johan Karlgren revives the cartoon, film, and video game heroes of the 1990s. His pixellated figures fit the taste of many retro fans on Instagram.

Australian artist Rachel Burke suffered personal trauma that left her grieving and, ... then ironed to melt and fuse the beads together in an image. "They are really fragile, ...