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Three categories define what can and cannot be ordered.
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Range
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What it means
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|---|---|
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AQ Range
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Can be ordered directly via automatic quotation.
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MQ Range
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Can be ordered after manual review.
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N/A
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Currently cannot be ordered.
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The table below maps each part type to its range.
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Part type
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Range
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|---|---|
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Box shapes
|
AQ
|
|
Low shapes
|
AQ
|
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Medium rib shapes
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AQ
|
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Nuts and bolts assemblies
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AQ
|
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Spot welds, multiple thicknesses
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AQ
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Fabrication — large frame structures
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N/A
|
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Standard steel tubes
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Not supported
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CNC Milling – Welding
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N/A
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High ducts and hoppers
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N/A
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Control panels with handles/hinges
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N/A
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Form
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Description
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|---|---|
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Rib shape
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A base plate with one or more vertical reinforcement plates welded onto it. May include bending interference — parts where bent flanges need to clear adjacent plates during assembly. Fully supported.
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Box / cover shape
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Closed or semi-closed box geometries, covers, and enclosures. Components with two or more different sheet thicknesses within the same assembly are supported.
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Angle shape
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L-shaped or bracket-style assemblies where plates meet at an angle. Typical for mounting brackets, machine feet, and connection elements.
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L-joint
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Two flat plates joined at a 90° corner — the simplest and most common weld configuration.
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T-joint
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A vertical plate welded onto the face of a horizontal plate. Used in reinforcement ribs, bracket bases, and stiffener structures.
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Overlapping plates
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One plate placed flat on top of another, welded along the perimeter or at spot positions. Used for reinforcement patches and composite panels.
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These are specific geometric configurations that require attention during design. They are not unsupported — but they present manufacturing challenges that must be accounted for when modelling.
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Element
|
What to know
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|---|---|
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Narrow width with large depth
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If a rib or internal wall creates a narrow, deep slot, welding tools cannot access the bottom of the joint. Avoid designing weld joints at the base of features that are deeper than they are wide. If unavoidable, only surface-accessible weld points can be applied.
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Closed box shapes
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Fully enclosed boxes where all six faces are sealed present access challenges for internal welds. Internal seam grinding is not possible in these cases. Design with at least one open face or access panel if internal seam quality matters.
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Excessive gap opening at weld points
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If the gap between two plates at the intended weld location exceeds 0.15 mm, meviy will not recognise it as a weld joint. Even small distortions from bending tolerances can push a joint over the threshold. Review all weld interfaces in your CAD model before uploading.
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Overlap of weld seam with bend line
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When a weld seam runs across or very close to a bend line, heat from continuous welding can distort the bend radius and affect dimensional accuracy. Spot or intermittent welding is strongly recommended to minimise heat input at the bend zone.
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Follow these six rules to avoid the most common quoting and manufacturing errors.
meviy measures the shortest distance between the edges of two plates in your 3D model. If this distance is 0.15 mm or less, the connection is recognised as a weld joint. If it is larger — even by a fraction — no weld will be applied at that location. This is the single most common cause of failed or incorrect quotes. Check every intended weld interface before uploading.
Do not add fillet welds, weld beads, groove preparations, or any weld geometry to your model. meviy determines seam type, size, and placement automatically from the base geometry. Modelled seams will interfere with recognition.
Threaded inserts, weld nuts, and similar hardware must not appear in the CAD upload. If you need nuts on the finished part, add them as a meviy feature directly in the platform after uploading — they are available as selectable extras and do not need to be in the model.
Remove all reference planes, sketches, construction geometry, and non-sheet-metal solids before exporting. The upload should contain only the plate bodies that form the welded assembly.
If some joints in your model are tight (0.05 mm) and others are accidentally loose (0.20 mm), only the tight ones will be recognised as welds. The resulting part will be missing welds at the loose joints — and this may not be caught until delivery. Verify all intended joints before uploading.
The following tables show all available material grades, surface treatments, available thicknesses (mm), and which welding and finishing combinations are supported.
AQ = automatic quotation available. MQ = manual quotation, ordered after review.
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Material
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Surface Treatment
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Thickness (mm)
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Arc/Laser – smoothing only
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Arc/Laser – grinding
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Spot welding
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|---|---|---|---|---|---|
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EN 1.0330 Equiv.
|
–
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9.0–10.0 / 12.0–16.0
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AQ
|
AQ
|
–
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EN 1.0330 Equiv.
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Painting
|
9.0–10.0 / 12.0
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–
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AQ
|
–
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|
EN 1.0330 Equiv.
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Electroless Nickel Plating
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1.0–1.2 / 1.6–2.0 / 2.3–3.2 / 4.5–6.0
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AQ
|
AQ
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AQ (~3.2 mm)
|
|
EN 1.0330 Equiv.
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Black Oxide
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1.0–1.2 / 1.6–2.0 / 2.3–3.2 / 4.5–6.0
|
AQ
|
AQ
|
–
|
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EN 1.0330 Equiv.
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Trivalent Chromate (clear)
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1.0–1.2 / 1.6–2.0 / 2.3–3.2 / 4.5–6.0
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AQ
|
AQ
|
–
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EN 1.0330 Equiv.
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Trivalent Chromate (black)
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4.5–6.0
|
–
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AQ
|
–
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EN 1.0038 Equiv.
|
–
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9.0–10.0 / 12.0
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AQ
|
AQ
|
–
|
|
EN 1.0038 Equiv.
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Painting
|
9.0–10.0 / 12.0
|
–
|
AQ
|
–
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|
EN 1.0038 Equiv.
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Electroless Nickel Plating
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9.0
|
AQ
|
AQ
|
–
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|
EN 1.0038 equiv.
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Black Oxide
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9.0
|
AQ
|
AQ
|
–
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|
EN 1.0038 Equiv.
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Trivalent Chromate (clear)
|
9.0
|
AQ
|
AQ
|
–
|
|
EN 1.0330 Equiv. (Electrolytic Zinc Plating)
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Electrolytic Zinc Plating
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1.0–1.2 / 1.6–2.0 / 2.3–3.2
|
AQ
|
–
|
AQ
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|
Material
|
Surface Treatment
|
Thickness (mm)
|
Arc/Laser – smoothing only
|
Arc/Laser – grinding
|
Spot welding
|
|---|---|---|---|---|---|
|
EN 1.4301 Equiv.
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No. 1
|
9.2–10.0
|
AQ
|
AQ
|
–
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|
EN 1.4301 Equiv.
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No. 1
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1.0–1.2 / 1.5–2.0 / 2.5–3.0 / 4.0–5.0
|
AQ
|
AQ
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AQ (~3.0 mm)
|
|
EN 1.4301 Equiv.
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2B
|
6.0
|
AQ
|
AQ
|
–
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|
EN 1.4301 Equiv.
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Single-sided #400-grit polished
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1.0–1.2 / 1.5–2.0
|
AQ
|
AQ
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MQ
|
|
EN 1.4301 Equiv.
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Single-sided hairline finish
|
3.0
|
MQ
|
MQ
|
MQ
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|
EN 1.4016 Equiv. (2B)
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2B
|
1.0–1.2 / 1.5–2.0 / 3.0
|
AQ
|
AQ
|
AQ
|
|
Material
|
Surface Treatment
|
Thickness (mm)
|
Arc/Laser – smoothing only
|
Arc/Laser – grinding
|
Spot welding
|
|---|---|---|---|---|---|
|
EN AW-5052 Equiv.
|
–
|
1.0–1.2 / 1.5–1.6
|
AQ
|
AQ
|
AQ (~2.5 mm)
|
|
EN AW-5052 Equiv.
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Anodized (clear)
|
2.0–2.5
|
AQ
|
AQ
|
–
|
|
EN AW-5052 Equiv.
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Anodized (black)
|
3.0–4.0 / 5.0–6.0
|
AQ
|
AQ
|
MQ
|
|
EN AW-5052 Equiv.
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Anodize (matt black)
|
5.0–6.0
|
AQ
|
AQ
|
–
|
|
Hole pattern
|
Open surface area
|
Thickness (mm)
|
Arc/Laser – smoothing only
|
Arc/Laser – grinding
|
Spot welding
|
|---|---|---|---|---|---|
|
ø2 × 3p
|
40.3%
|
1
|
AQ
|
AQ
|
–
|
|
ø3 × 5p
|
32.7%
|
1
|
AQ
|
AQ
|
–
|
|
ø5 × 8p
|
35.4%
|
1.0–1.5
|
AQ
|
AQ
|
–
|
|
ø8 × 12p
|
40.2%
|
1.5
|
AQ
|
AQ
|
–
|
Part size: the sum of length + width + height must fall within:
30 mm ≤ L + W + H ≤ 1,500 mm
Maximum product weight: ≤ 27 kg
|
Route
|
Plate type limit
|
|---|---|
|
AQ — automatic quotation, ordered directly
|
Up to 3 types
|
|
MQ — manual quotation, ordered after review
|
Up to 5 types
|
|
Not possible
|
6 or more types
|
|
Type
|
Description
|
|---|---|
|
Arc welding
|
Standard process for structural steel and stainless steel. Produces a visible raised seam. Most widely available.
|
|
Laser welding
|
Used for thinner plates and precision applications. Produces a narrower, cleaner seam with less heat distortion. Particularly suited to stainless steel.
|
|
Spot welding
|
Point welds applied at intervals rather than a continuous seam. Used on overlapping plates or where continuous access is limited.
|
|
Method
|
Description
|
|---|---|
|
Continuous welding
|
Full-length seam along the entire joint. Used where strength and/or sealing are required.
|
|
Intermittent welding
|
Weld applied at intervals. Preferred for distortion control on longer joints and thinner materials.
|
|
Finish
|
Availability
|
|---|---|
|
Smoothing
|
Available
|
|
Grinding
|
Available
|
|
Full internal corner grinding
|
Not fully achievable — tools cannot access internal corners; the weld bead cannot be completely flattened.
|
The manufacturer selects the welding process and method based on material, thickness, and geometry. Customers do not specify this.
The leg length of each weld seam is controlled relative to the plate thickness:
Inspections are performed after each relevant production step — cutting, bending, welding, surface treatment — and again during final and shipping inspection.
Weld seam cosmetic consistency — exact surface texture, colour uniformity, and visual symmetry of seams — is not held to a strict aesthetic standard. This service is designed for functional engineering parts. Parts where seam appearance is a primary requirement are outside the intended use case.
