Years ago, while walking a corrugated line in Dongguan, I watched a carton miss target by only 3 mm and the whole packing rhythm collapsed: corners crushed, void fill spilled, and the shipper got hit with dimensional weight pricing on every carton. Small numbers. Large consequences. I still remember the operator staring at that stack of bad trays like the boxes had personally insulted him. That kind of headache is exactly why how to calculate packaging dimensions correctly matters so much, because the numbers on paper only work when they survive the realities of a packing bench, a die cutter, and a freight bill.
Custom packaging is not just about making a box look sharp on a shelf. Fit, protection, pallet efficiency, and packing speed all sit inside that same equation. I have seen beautiful packaging design fail because the interior was 2 mm too tight for a capped bottle, and I have also seen plain kraft mailers outperform fancier builds because the sizing was disciplined from the start. In a Shenzhen sample room, I once watched a brand insist on a rigid lid with a 1 mm reveal and a 350 gsm C1S wrap, then discover the product needed an extra 4 mm of finger clearance at the pull ribbon. The artwork was lovely; the math was not. If you want how to calculate packaging dimensions correctly to feel less like guesswork and more like a repeatable method, measurement and clearance are where the work begins. So is knowing what the manufacturer is actually quoting, whether that factory is in Dongguan, Foshan, or Xiamen.
Why Getting Packaging Dimensions Right Matters
A package that is off by a few millimeters can create a chain reaction. The product shifts, a shoulder rubs a sidewall, the closure bulges, and suddenly your product packaging is not protecting the product at all. In a fulfillment center I visited near Chicago, a cosmetics brand was losing nearly 4% of outbound units to rework because their carton spec assumed a flat label, but the actual decorated jar was 1.5 mm wider after shrink sleeve application. That tiny difference became a real cost, and it is one of the clearest examples I have seen of how to calculate packaging dimensions correctly before tooling starts. On 20,000 units, even a $0.06 rework cost per box turns into $1,200 fast.
Packaging dimensions usually refer to three related things: the usable interior size of the box or mailer, the outer size of the product itself, and the finished outside dimensions that warehouses and carriers care about. Those are not the same number. A folding carton may be quoted by its internal cavity, while a corrugated shipper may be discussed in outside dimensions or even flat blank size. If a supplier and a buyer use different assumptions, the order may pass approval on paper and still fail at packing. I wish I had a dollar for every time someone said, “But I thought the spec meant the other one.” I’d probably own a small factory in Guangzhou by now.
That distinction matters in retail packaging too, not only shipping. A display carton that looks too loose on shelf can cheapen package branding, while an overpacked box can deform graphics and create print scuffing at the glue seam. A lot of teams polish artwork first and dimensions second, even though the dimensions decide whether the artwork gets seen in the right condition. In a boutique fragrance line I reviewed in London, a 2 mm increase in carton depth was enough to remove the “luxury flush” look the brand wanted. Knowing how to calculate packaging dimensions correctly protects your brand presentation and your freight budget at the same time.
The business case is straightforward. Fit affects damage rates, protection affects returns, size affects pallet density, and all of it affects cost. A 10 mm increase in each direction may not sound like much, but across 8,000 cartons it can mean fewer units per pallet, more pallets per shipment, and a noticeable jump in dimensional charges. On a route from Los Angeles to Dallas, a 16 x 12 x 8 in. carton can price very differently from a 17 x 13 x 9 in. carton once dimensional weight is applied, especially through parcel carriers that bill on cubic volume. On the production floor, I have watched operators reject a carton run because the flap overlap was too narrow to hold tape cleanly. That was not a design issue; it was a sizing issue, and the fix came only after the team revisited how to calculate packaging dimensions correctly from the product outward.
How Packaging Dimensions Are Measured and Interpreted
Most packaging plants and fulfillment teams measure in length, width, and height, usually in that order, but the way those terms are interpreted can differ depending on the material and the carton style. On a corrugated folder-gluer line, the opening and depth are often discussed differently than on a rigid box bench where a lid and base are treated as separate structures. I have sat in supplier meetings where “L x W x H” meant one thing to a designer, another to a plant manager, and something slightly different again to logistics. In one meeting in Suzhou, the designer was quoting the inner cavity, the plant manager was quoting outside size, and freight was looking at master carton cube. If you are serious about how to calculate packaging dimensions correctly, align those definitions before anyone cuts board.
Inside dimensions refer to the usable space available for the product. Outside dimensions include the thickness of the material, the fold structure, and any flaps that add bulk. A 32 mm board thickness in a rigid setup changes the outer footprint more than many buyers expect, and flute type matters as well. Single-wall B flute and E flute do not behave the same way in finished size, because caliper and crush resistance affect both the conversion and the final packed shape. A 350 gsm C1S artboard folding carton with a 1.5 mm glue tab allowance will not finish the same way as a 24 pt SBS build with a longer tuck. That is why how to calculate packaging dimensions correctly starts with knowing which dimension set the supplier uses.
Product orientation changes the answer, too. A candle in a folding carton may stand upright, lie on its side, or sit in a paperboard tray with a window. A rigid box for a smartwatch may accept the product in a single fixed orientation because the unboxing experience depends on it. Mailers tend to allow more practical slack, while folding cartons and insert trays require tighter engineering. If the product can rotate inside the pack, the dimension calculation gets easier. If it cannot, the tolerances matter much more, and that is where how to calculate packaging dimensions correctly pays off in reduced rework. A 2 mm mistake on a watch tray is a nuisance; a 2 mm mistake on a glass dropper bottle can become a return.
There is also a communication gap that shows up constantly. Design teams think in dielines and panel sizes, production teams think in converted blanks and machine directions, and distribution teams think in packed dimensions and stack limits. I have seen all three groups approve “the same box” while meaning three different things, which is why a clear spec sheet needs both the structural drawing and the packed dimension callout. If you want dependable Custom Printed Boxes, the numbers have to survive every handoff from artwork to production to freight booking. A supplier in Shenzhen may quote a carton by internal size, while a warehouse in Rotterdam only cares about the external shipping cube.
For standards and industry context, I often point clients to organizations like the ISTA packaging transport testing standards and the EPA recycling and materials guidance. Those references do not calculate your box for you, but they help frame why dimensions must be tested, not assumed. In my experience, the best packaging programs treat how to calculate packaging dimensions correctly as part of an engineering process, not a sales estimate. That approach is common in plants from Dongguan to Kaohsiung because it reduces sample churn and saves at least one revision cycle.
Key Factors That Affect Packaging Size and Fit
The first input is always the product itself: actual length, width, height, weight, fragility, and surface sensitivity. A 240 ml glass bottle with a pump top needs very different clearance than a rigid candle tin or a paper tube. I once worked with a skincare client whose airless pump added 6 mm to the final height after assembly, and that change was enough to force a taller carton and a new insert depth. That is a classic reminder that how to calculate packaging dimensions correctly has to begin with the finished product, not the raw component sitting on the warehouse shelf. A 52 mm bottle body is not a 52 mm final pack if the cap stacks another 14 mm on top.
Material structure matters just as much. Single-wall corrugated, paperboard, rigid chipboard, thermoformed inserts, and molded pulp all create different packing realities. A 350 gsm C1S folding carton might seem slim, but once you add a tuck flap, glue tab, and score allowance, the final usable space can tighten faster than expected. Rigid boxes can hide a lot of premium appeal, but the board thickness and wrapped paper add to the outer footprint. In fact, a 2.5 mm greyboard wrapped with printed paper in a rigid setup can add 6-8 mm to each exterior side depending on fold method. If your packaging supplier only quotes the interior cavity, your how to calculate packaging dimensions correctly process is incomplete.
Headspace and side clearance are where a lot of projects either succeed or fail. For a mailer with a tissue-wrapped item, maybe 2-3 mm of movement is acceptable. For a glass fragrance bottle, I would usually expect a controlled fit with a die-cut insert or pulp tray and enough room for closure without stressing the shoulder. Finger access matters too. If the customer needs a pull ribbon, magnetic closure, or easy-open tuck, the dimensions must allow for hands and closing force, not just product geometry. In one client meeting in Melbourne, a brand insisted on a tighter lid for “a cleaner look,” and we had to explain that 1 mm too tight would make the lid bind after humidity exposure. That is exactly the kind of decision how to calculate packaging dimensions correctly helps prevent.
Cost and pricing are tied to size in very direct ways. Bigger boxes use more board, more print area, more ink coverage, and more storage space. They can also push shipments into a higher dimensional weight tier, which is especially painful on e-commerce orders. Too-small boxes create damage, but too-large boxes waste money every step of the way. In practical terms, a difference of 8 mm in one direction can change your pallet count by a full layer across enough cartons, which is why how to calculate packaging dimensions correctly should always include logistics math, not only product fit. A 400 x 300 x 250 mm master carton and a 410 x 310 x 260 mm master carton may look close on a screen; on a pallet in Newark, they are not.
Process and timing are part of the equation as well. If you are ordering custom printed boxes or specialized inserts, the supplier may need dieline approval, sample making, and a short test run before full production. In my experience, good plants often need 7-12 business days for sampling and 12-15 business days from proof approval for a standard custom run, though specialty rigid packaging can take longer depending on wrapping, foiling, or complex inserts. A foil-stamped rigid set out of Kunshan can easily take 18-22 business days if a magnet insert or EVA foam cutout is involved. That schedule is one more reason to nail how to calculate packaging dimensions correctly before you release the order.
| Packaging style | Typical fit focus | Common dimension risk | Practical note |
|---|---|---|---|
| Folding carton | Snug product presentation | Score and tuck interference | Best for lightweight retail items and cosmetics |
| Corrugated mailer | Shipping protection | Dimensional weight increase | Good for e-commerce and subscription packaging |
| Rigid box | Premium unboxing and alignment | Board thickness expansion | Ideal for gifts, electronics, and high-value retail packaging |
| Insert tray system | Controlled product placement | Compression and cavity mismatch | Useful for fragile bottles, kits, and multi-part sets |
How to Calculate Packaging Dimensions Correctly: Step-by-Step
If you want how to calculate packaging dimensions correctly to be repeatable, do it the same way every time and document each step. I have used this approach on factory floors from Shenzhen to Ohio, and it saves time because nobody has to reinvent the sizing logic for each SKU. The process is simple, but it has to be disciplined. And yes, I know that word sounds boring. It is. It also saves money, especially when a 5,000-piece carton order is being quoted at $0.15 per unit instead of $0.19 because the spec is clean and the board usage is controlled.
Step 1: Measure the full product envelope
Measure the product at its longest, widest, and tallest points, including caps, handles, labels, closures, and any decorative features that protrude. Use calipers for small items and a steel rule or tape for larger goods. Do not measure a sample that is “close enough.” I once watched a jar project fail because the buyer measured the base diameter and ignored the shoulder flare, which added 4.2 mm to the true width. That is the kind of mistake how to calculate packaging dimensions correctly is meant to avoid. If the unit will ship with a 12 mm pump, measure with the pump installed, not sitting beside the bottle in a tray.
Step 2: Choose the packaging format first
A mailer, folding carton, rigid box, and insert tray each use different sizing logic. A mailer often needs shipping clearance and closure room, while a folding carton may be sized around a snug product cavity with printed panel dimensions. Rigid boxes add board wrap, paper wrap, and lid/base movement. If you begin with the wrong format, the math is wrong before you even start. This is why how to calculate packaging dimensions correctly is a structure decision as much as a measurement exercise. A 180 x 120 x 40 mm mailer is not engineered the same way as a 180 x 120 x 40 mm rigid set.
Step 3: Add only the clearance you actually need
Protection is not about adding as much empty space as possible. It is about adding the correct amount of functional clearance for inserts, cushioning, and user access. For a durable plastic component, 1-2 mm may be enough. For a fragile glass item in corrugated with paper pulp, you may need more. Too much slack invites movement, and movement creates scuffing, corner damage, and noisy product rattle. I have seen brands overcompensate with oversized cartons, then pay for it in freight. That is not a design victory. It is a logistics tax. Proper clearance is central to how to calculate packaging dimensions correctly. In one subscription kit shipped from Nashville, reducing the headspace by 7 mm cut insert bounce dramatically.
Step 4: Account for board thickness, folds, and closures
This is where the numbers often change. A folding carton’s glue tab, tuck flap, and score lines all affect the final usable space. Corrugated adds flute and caliper. Rigid boxes add wrapped board thickness, paper overlap, and often a 1-2 mm lid reveal depending on style. In plain terms, the outside dimensions are always larger than the usable cavity. If you are only quoting the inside space, you have not finished how to calculate packaging dimensions correctly. A 2 mm score shift on a 1,000-unit paperboard run can create enough misfit to slow the packing line by 15 minutes per hour.
Step 5: Convert design dimensions into production dimensions
Design files and production specs are not the same thing. A dieline might show the flat blank size, while the carton spec sheet needs finished internal and external dimensions. Ask your supplier whether they quote inside dimensions, outside dimensions, or flat blank size, because each one changes the approval. I have seen buyers compare two quotes that looked $0.04 apart per unit until they discovered one quote was based on external dimensions and the other on internal cavity size. That sort of mismatch can wreck a budget and complicate how to calculate packaging dimensions correctly. A supplier in Dongguan may also include a 1.5 mm manufacturing allowance that a European buyer does not expect unless it is written down.
Step 6: Build a sample and test it physically
Never finalize dimensions on a screen alone if the product is fragile, premium, or highly decorated. A physical mockup reveals what CAD cannot: compression, fit resistance, closure behavior, and how the hand feels when inserting the product. In one Chicago meeting, a brand team insisted their rigid lid was perfect until the sample showed that the magnet was pulling the lid sideways by 1.8 mm. The prototype saved them from a full rework. That sample stage is the practical proof of how to calculate packaging dimensions correctly. A paper mockup can cost under $20; a bad tooling decision can cost $2,500 or more before the first 500 boxes ship.
Here is a simple working formula many packaging teams use:
Finished internal size = maximum product size + functional clearance + insert allowance
Then, to estimate external size:
Finished external size = internal size + material thickness + structural allowances
Those formulas are not universal, because structure and board caliper change the result, but they are a useful starting point. If you use them consistently, how to calculate packaging dimensions correctly becomes far easier to standardize across SKUs. A box family built on the same formula is much easier to reorder from a plant in Shenzhen or a converter in Barcelona.
“A box does not have to be big to feel premium. It has to fit like it was engineered, not guessed.” — packaging engineer I worked with during a rigid box trial in Guangdong
For companies building Custom Packaging Products, I usually recommend keeping a dimension log for each SKU, including product size, packed size, board caliper, insert type, and the final approved sample number. That little record prevents a surprising amount of confusion six months later when the reorder lands and someone asks why the first run was 1.2 mm different. It also helps if you are sourcing from multiple factories, such as one line in Dongguan for folding cartons and another in Qingdao for corrugated shippers.
Common Mistakes When Calculating Packaging Dimensions
One of the most common mistakes is forgetting that decoration changes dimensions. A label may add 0.3 mm, an embossed panel may affect closure fit, and a shrink sleeve can change the outer envelope enough to matter on a tight carton. I have seen buyers approve a carton using bare plastic bottle dimensions, then discover the sleeved bottle would not slide cleanly into the tray. That is why how to calculate packaging dimensions correctly must use the finished decorated product, not the undecorated sample. A 60 mm jar can become 61.8 mm after a full-wrap label and cap seal.
Another mistake is measuring only one unit and assuming it represents the whole lot. Manufacturing variation is real. A molded plastic jar can vary slightly from cavity to cavity, and even paperboard items can change a little with humidity. If you base your spec on the smallest sample you own, production may reject otherwise normal units. I usually tell teams to measure at least three samples and use the largest actual dimension as the working basis. That is a small discipline that makes how to calculate packaging dimensions correctly more reliable. In humid seasons in Guangzhou, I have seen paperboard move enough to matter by 0.5 to 1 mm.
People also mix up inside and outside dimensions constantly. Corrugated suppliers often talk in outside dimensions, while folding carton teams may focus on internal fit. If you compare quotes without checking the reference point, you are not comparing the same package. A 100 x 80 x 60 mm internal carton is not the same as a 100 x 80 x 60 mm outside carton. The material thickness alone can shift the real fit enough to cause trouble. That confusion has cost several clients I know real money, and it is one of the easiest errors to avoid once you understand how to calculate packaging dimensions correctly. In practical terms, it can turn a $0.22 carton into a $0.27 carton once the spec is reworked.
Inserts and cushioning can be overlooked as well. A die-cut insert compressed under product weight may settle differently after shipping vibration, and bubble wrap adds thickness that changes closure pressure. I saw a subscription brand underestimate the compression of molded pulp by 2 mm, which caused the upper flap to bow after packing 10,000 units. The cartons were technically “the right size,” but functionally they were not. That is why the fit test matters so much to how to calculate packaging dimensions correctly. A tray that works on Monday in Shanghai may behave differently after a week in a warehouse at 28°C and 70% humidity.
Finally, many teams ignore palletization and case packing. A box may fit the product perfectly but still create a weak pallet pattern, leaving excessive overhang or wasted cube in the master case. Warehousing teams care about stacking strength, case count, and uniformity. If the master carton size forces odd pallet layers, the downstream cost can be significant. A good packaging plan is not just one unit in isolation; it is the whole chain from line packing to freight movement, and that is where how to calculate packaging dimensions correctly saves the most money. A 48-unit case that stacks cleanly on a 1,200 x 1,000 mm pallet is often better than a 50-unit case that creates unstable edges.
Expert Tips for Cost, Pricing, and Production Efficiency
If you want to improve pricing without sacrificing protection, start by trimming empty volume wherever the product allows. Even a slightly smaller footprint can reduce board usage, improve carton nesting, and lower freight cost. On one beverage accessory program, we reduced the box width by 6 mm and got two more units per master case, which sounds minor until you multiply it across 14,000 shipments. That is one of the practical rewards of how to calculate packaging dimensions correctly. On a $0.15-per-unit run of 5,000 pieces, saving 1.5% in board usage is small on paper and very real on the invoice.
Standardizing dimensions across multiple SKUs can simplify the entire supply chain. I like to see brands group products into 2 or 3 size families whenever possible, especially for cosmetics, candles, and small electronics. It reduces tooling variety, makes forecasting easier, and allows better use of inventory. A team I worked with in a contract packing facility in Phoenix cut carton changeovers by 18% after rationalizing seven sizes down to four. Less chaos on the line means fewer mistakes when sizing custom printed boxes. It also shortens setup time, which can save 30 to 45 minutes per production changeover.
There is also a balance between premium unboxing and practical engineering. Customers love a box that feels tailored and polished, but if the structure is too complex, the line slows down and costs rise. I am a fan of elegant package branding, but not if the package needs a trained acrobat to pack it. The smartest builds look expensive while remaining easy to run on a folder-gluer, a manual pack bench, or a semi-automatic line. That balance is part of how to calculate packaging dimensions correctly for real production, not just for a render. A clean insert layout in a 300 x 200 x 80 mm box can outperform a visually dramatic design that requires 11 steps to pack.
When requesting quotes, give the manufacturer exact information: finished product dimensions, acceptable tolerance, product weight, decoration type, shipping method, and required pack style. If you only say “small box for a jar,” you will get a generic answer. If you say “102 x 102 x 78 mm internal size, 350 gsm C1S with matte AQ, product weight 180 g, retail shelf display, ship by parcel,” your quote will be much more useful. Clear specs are the backbone of how to calculate packaging dimensions correctly and of getting accurate pricing the first time. A factory in Dongguan can usually quote faster if the tolerance is stated as ±1 mm instead of “close fit.”
For rigid boxes, inserts, or high-value items, consult a packaging engineer or dieline specialist before tooling. A few extra hours up front can save weeks later. I have seen clients approve a beautiful concept only to discover the lid reveal was off by 1.5 mm and the paper wrap caused drag at the corner fold. That sort of issue is much cheaper to solve on a sample table than after 30,000 units are in transit. If your project involves branded packaging with premium finishes, lock the dimensional spec before foil, emboss, or spot UV are added. Foil plates alone can run $120 to $300 depending on size and factory location, which is not the place to discover a 2 mm alignment error.
| Option | Typical cost impact | Fit risk | Production note |
|---|---|---|---|
| Smaller custom carton | Lower material and freight cost | Higher if clearance is too tight | Best when product variation is controlled |
| Standardized box family | Moderate savings through volume | Low if SKUs are grouped well | Good for multi-SKU product lines |
| Oversized safety box | Higher material and shipping cost | Low product contact risk, but more movement | Often used when specs are uncertain |
| Rigid custom insert system | Higher upfront tooling and sampling | Very low when engineered properly | Best for premium products and gift sets |
What to Check Before You Approve the Final Dimensions
Before you sign off, run a pre-production checklist. Fit the actual product into the sample, close the package fully, and inspect every edge for rubbing or pressure marks. If the item is fragile, perform a simple drop or vibration test that reflects the shipper’s route, not just a gentle hand test. Standard references like ASTM-style transport evaluation and ISTA methods exist for a reason, and they can reveal whether the dimensions protect the product under real conditions. This is the last practical gate in how to calculate packaging dimensions correctly. A 1-meter drop on a finished sample can reveal a bad score line in seconds.
Check print alignment too. A box can fit perfectly and still fail if the artwork sits too close to a fold, a glue seam, or a tuck flap. I have watched a brand lose a full week because the trim area and the structural fold were not reconciled before approval. The box itself was structurally fine, but the print presentation looked off-center once assembled. That is why dimension approval and print proof approval should happen together, not in separate silos. If your proof shows a logo 3 mm from the edge and your fold needs 4 mm, the order should stop there.
Confirm pallet and case pack performance as well. Ask how many units fit per master carton, how many cartons fit per pallet layer, and whether the footprint creates overhang. Warehouse teams appreciate clean patterns that stack well and stay square. If the carton is too tall for efficient tiering, your distribution cost rises even if the product fit is perfect. A good approval process for how to calculate packaging dimensions correctly includes the final logistics picture, not just the single-unit mockup. A case pattern that works in Milan may fail in Chicago if pallet standards and freight lanes differ.
Timelines matter, so set expectations before the order is locked in. Sampling, revision cycles, plate or tooling setup, and production scheduling should all be understood in advance. If your project needs an insert revision, add a few days for the new sample, because that change often affects both fit and closure. I would rather see a client delay launch by 5 business days than rush a bad dimension into production and spend the next month fixing returns. For most standard paperboard projects, proof approval to shipment typically lands in 12-15 business days; rigid sets with magnets, foam, or foil can stretch to 20 business days or more.
My advice is simple: measure three product samples, use the largest actual size, request a structural dieline, and validate with a physical mockup before bulk production. That process protects custom packaging budgets, reduces damage, and keeps the packaging experience consistent from first sample to final shipment. If you remember only one thing from this piece, remember this: how to calculate packaging dimensions correctly is not about making a box fit once on a table. It is about making it fit every time, in every season, on every line, and in every shipment.
FAQ
How do I calculate packaging dimensions for a product with irregular shape?
Measure the longest, widest, and tallest points, including caps, handles, angled corners, and any protrusions. Build the package around the maximum outer envelope, then add clearance for inserts or cushioning if the item is fragile. A physical mockup is the best test, because irregular products often fit differently than raw measurements suggest, especially when the shape tapers or flares near the top. If a bottle has a 14 mm pump and a 3 mm label seam, include both in the envelope before asking for a dieline.
What is the difference between inside and outside packaging dimensions?
Inside dimensions describe the usable space available for the product. Outside dimensions include material thickness, folds, and structural features that make the package larger. Always confirm which measurement your supplier is quoting before approving a design or comparing prices, because a few millimeters can change fit, pallet count, and freight charges. A 200 x 150 x 50 mm inside carton may finish closer to 205 x 155 x 56 mm outside, depending on board and closure style.
How much extra space should I add when calculating box dimensions?
Add only enough clearance for protection, inserts, and easy packing. Too much space increases movement and can raise shipping costs, while too little space risks scuffing or crushed corners. Fragile items usually need more protective allowance than rigid products, but the right amount depends on the packaging style, cushioning method, and shipping route. For many rigid glass items, 1.5-3 mm can be enough with a fitted insert, while a corrugated mailer may need 4-6 mm depending on the closure design.
Does packaging size affect shipping cost?
Yes, larger packages can increase dimensional weight charges even when the product is light. Oversized boxes also use more material and may reduce pallet efficiency. Choosing the smallest safe package size usually improves both freight and material cost, especially for e-commerce and subscription packaging. A 2 in. increase in one side can be enough to move a parcel into a higher billable weight tier on carriers like UPS or FedEx.
How can I make sure my packaging dimensions are production-ready?
Request a dieline or sample from the manufacturer before mass production. Check fit with actual products, not just drawings or CAD renders. Verify closures, print alignment, and stacking performance before final approval, and make sure the supplier confirms whether the spec is based on inside size, outside size, or flat blank size. If possible, ask for a pre-production sample from the actual factory in Dongguan, Shenzhen, or Ningbo so the board caliper, score depth, and glue positions match the run.
