FEP – (Fluorinated Ethylene Propylene) A tough, no-stick plastic material commonly found in the bottoms of resin vat 3D printers. Its translucence allows the light source beneath it to shine through the vat, curing the resin onto the build plate.
Holidays – A term used by professional painters and gilders/gold leafers to refer to gaps in coverage. It derives from the joke that a painter must have taken some time off, a little holiday, by not covering an area they should have. [Hat tip to gilder Michael Kramer]
Minimal viable product – A phrase used by Italian maker and product developer, Giaco Whatever. In creating a product, you want to pare your idea down to its minimum possible components. See also: KISS (keep it simple, stupid)
Real job – A project that’s a series of tasks and challenges that imply significant time and effort – as opposed to a task which can be quickly accomplished. “That’s a real job. I need to set aside an afternoon for that.”
Resilient idiot – A self-deprecating admission that sometimes knowledge and skills seemingly won’t stick, not matter how hard you try and learn them. Coined by Donald Bell. Not to be confused with Andy Birkey’s similar: actual moron.