She rolls her eyes, a little, then pauses at the rudeness of it all. Swallowing, she shrugs.

"I don't have a manufacturing background," she explains, "but an artist's. Glassblower. I, uh didn't think making a multi-coloured, hah, glass octopus would be useful." No matter how intricate, no matter how much she manipulated the tentacles.

Then Annie cocks her head, considering. "Theory means I never had reason to. But you blow out a cylinder, cut it and lay it out flat. Just gotta move fast enough to make sure it's flat.

Um. Convex lens? Ye-e-es but it wouldn't be a precise grade without grinding tools. I can blow out a small, shallow dish, then work with it while hot. Or a sheet and slightly dip it."