For something completely different in the PLA world, encanto costumes check out Quantum by Matterhackers. Quantum is actually two colors fused across the entire width, so you get an amazing transition from left to right. This causes it to change color as it goes further up the model. Transitional filament, mixing multiple colors, has been around for a while, but it normally changes color across the length of the material. Also attending are celebrated former Doctor Who writers Mark Gatiss and Steven Moffat, who are taking part in a panel discussion for BBC’s Dracula on Saturday.