The concept fits in one line: instead of writing “polished, flawless finish” on a drawing, write the quality grade — Production Finish, Display Finish, or Museum Archival Finish — each defined, per the standard’s own criterion, by the Inspection Distance at which cosmetic characteristics may become visible under normal viewing conditions. Per our published Quality Standards: Production Finish is judged at approximately 4 feet, Display Finish at approximately 2 feet, Museum Archival at approximately 1 foot. Three named grades, three distances, and suddenly cosmetic acceptance is a measurement instead of a mood. This post is the practical companion: the actual drawing-note syntax, and the judgment calls around it.
The worked drawing note: grade per surface
The grade is specified per surface, not per part — that is the whole trick, and it comes straight from display-case practice. A real spec pattern, as it would appear in a drawing’s notes:
FINISH (per Akrylix Quality Standards, Inspection Distance):
— Front face and side faces: DISPLAY FINISH (approx. 2 ft)
— Interior faces and bottom: PRODUCTION FINISH (approx. 4 ft)
— Top sight edge: MUSEUM-ARCHIVAL FINISH (approx. 1 ft)
Three lines, and every party downstream — estimator, fabricator, receiving inspector — reads the same requirement. The cost logic is the reason to bother: finishing effort scales steeply with grade, and a part carries many surfaces that will never be inspected. Grading the hidden interior of a case to the standard of its sight edge multiplies finishing labor across faces nobody sees; grading per surface puts the effort exactly where eyes will be. That is cost-factor engineering of the most legitimate kind — not building cheaper, building precisely to the viewing reality.
Let the viewing reality pick the grade
Specifiers sometimes stall choosing among three grades. Don’t deliberate — observe. The piece’s real life already contains the answer:
- A countertop unit is viewed at arm’s length by a waiting customer → the customer-facing surfaces are a Display Finish question.
- A window display is judged from the sidewalk, through glass, at several feet → Production Finish does the job invisibly.
- An institutional case gets examined at nose distance by people who examine things professionally → Museum Archival, on the surfaces and sightlines they can reach.
- A warehouse or back-of-house fixture is seen by whoever restocks it → Production, everywhere.
Describe where the piece stands and who leans how close, and the grade names itself. When a surface’s viewing distance is genuinely mixed, spec to the nearest realistic viewer — the standard’s own principle: the closer the piece is expected to be viewed, the higher the standard required.
What the grade governs — and what it doesn’t
Here is the distinction that prevents most acceptance disputes: the grade governs cosmetic acceptance; it says nothing about dimensions. Surface and finish quality — joint appearance characteristics, edge consistency, visible cosmetic variation — are accepted against the grade at its inspection distance. Dimensional accuracy — whether the part is the size the drawing says — is accepted against the process tolerance bands in the Fabrication Tolerances standard, which publishes typical ranges per fabrication method. A complete drawing carries both: finish notes per surface, dimensional tolerances per feature.
Confusing the two axes is the root of most arguments at delivery. A part can be dimensionally perfect and cosmetically out of grade; it can hold Museum Archival surfaces on out-of-tolerance dimensions. “Reject: doesn’t look right” conflates them; “surface accepted at 2 feet, dimension out of band on the width” is an inspection. Buyers who keep the axes separate get exactly what they specified, and know it when they see it.
Receiving-side discipline: inspect at the distance
The spec only works if incoming inspection honors it. A Display Finish part examined at 6 inches under a raking light will show characteristics the grade explicitly permits — that is not a defect, it is a misread of the spec. The receiving instruction worth writing into your QC notes: inspect each surface at its specified distance, under normal viewing conditions, against its named grade. One sentence, and both sides of the transaction are judging the same object by the same rules — which was the entire point of putting the distance on the drawing in the first place. If your drawing templates don’t have a finish block yet, lift the three-line pattern above verbatim; the standard is published precisely so specs can quote it.
