A pipe escutcheon you can fit WITHOUT unsoldering anything: the cover prints as two halves that join around the pipe with dovetail keys (slide together along the pipe) or arrow-lock pegs (press together and they snap). The measurement that matters is the pipe hole diameter — measure the pipe and add about 1mm so the cover slips on; a 15mm hole suits standard 1/2" copper. The wall side has a built-in 2mm flare so the cover sits flat even over a rough drill hole. Joint tolerance is the fit dial: 0.10mm gives a snug push fit on a well-tuned printer — raise it to 0.2mm if the halves fight you, drop to 0.05 for a tighter snap. Outer size sets how much wall the cover hides, and the four edge profiles (chamfer, roundover, cove, step) change the look from plumber-plain to trim-molding. Double mode bridges two pipes (radiator feed and return) with one cover; the collar adds a raised boss around the pipe itself. Print tip: both halves print flat on the plate, no supports, and a 0.2mm layer height keeps the dovetail flanks smooth enough to slide. PLA is fine for cold pipes; use PETG within a hand's reach of a radiator. Inspired by Velko Valnarov's Ultimate Parametric Pipe Cover — rebuilt from scratch for BuilderPlate.