Rolled Double Side Walls in FEFCO 0427 / 0421 / 0426
Side walls fold 180 degrees over front and back ear flaps, consuming 4 board thicknesses plus assembly clearance along the box length.
25 FEFCO / ECMA Styles · Reverse Engineering Sizing
Calculate the Ideal Custom FEFCO Box with Structural Dead-Zone Compensation
When ordering custom die-cut runs, buyers often discover too late that their product collides with lid ear flaps or locking tabs. packgen automatically compensates for double walls, crease allowances, and tuck arcs.
Interactive X-Ray Skeleton & Smart Box Matcher
Enter your item dimensions and select a carrier protection profile — the X-Ray blueprint and 3D wireframe immediately display the green safe payload core, blue cushioning shell, and red structural losses.
Effective Payload Core (Green Zone)—
Mechanical Opening (minus ears/creases)—
Outer Box Dimensions—
Volumetric Weight NP / UP (÷4000)—
Volumetric Weight DHL / UPS (÷5000)—
Nova Poshta Parcel Locker—
InPost Paczkomat—
Taping Pattern—
Cited Packaging Standard:
Nova Poshta Packaging Standard
Ranked Carrier Standard Boxes & Custom FEFCO Recommendation
Four Engineering Layers Inside Every Box
Curved Arches in Pillow, Gable, Hexagon & Tube Boxes
For non-rectangular styles, the engine inscribes the rectangular payload envelope inside curved arches or polygons without bulging the walls.
Ready for SVG / DXF Die-Line Production
Every custom recommendation is immediately compatible with all 25 parametric FEFCO/ECMA folding rigs.
Reference 1:1 AR X-Ray Skeletons (iOS USDZ + Android GLB)
Tap 'AR 1:1 on Table' on your phone or scan the QR code from your computer screen to place the transparent engineering wireframe directly over your physical product.
FEFCO 0427 — 250×180×80 mm
Self-locking mailer box with tuck lid · Standard parcel cushioning (Nova Poshta / Ukrposhta) — 15 mm
Safe: 208.4×143.3×42.5 mm · Outer: 259×183×83 mm
FEFCO 0201 — 340×240×200 mm
Regular slotted carton (RSC) · Fragile / Glass / Ceramics / Electronics (Domestic & EU) — 30 mm
Safe: 273×175.2×132.5 mm · Outer: 346×246×212 mm
Bottle carton for 6 (3×2) with dividers (FEFCO 0201 + 0933) — 270×180×310 mm
Bottle carton with dividers (FEFCO 0201 + 0933 grid) · Snug fit (soft goods or retail-boxed item) — 2 mm
Safe: 261.2×171.2×300 mm · Outer: 276×186×322 mm
Nova Poshta transformer box (FEFCO 0201 with score lines) — 400×300 mm, height 200 of 85/140/200 mm
Nova Poshta transformer box — 0201 with height score lines at 85/140/200 mm · Standard parcel cushioning (Nova Poshta / Ukrposhta) — 15 mm
Safe: 363.1×265.2×164 mm · Outer: 406×306×212 mm
Nova Poshta box (FEFCO 0201) — 420×360×340 mm
Nova Poshta box — FEFCO 0201 carton in the carrier's official sizes · International UPS / FedEx / DHL Standard (2-inch rule) — 50 mm
Safe: 306×249.6×225.6 mm · Outer: 433×373×366 mm
FEFCO 0427 — 330×230×65 mm
Self-locking mailer box with tuck lid · Standard parcel cushioning (Nova Poshta / Ukrposhta) — 15 mm
Safe: 288.4×193.3×27.5 mm · Outer: 339×233×68 mm
Industry Solutions & Targeted Landings
Carriers & Lockers
Match your item against 18 official Nova Poshta API boxes, Ukrposhta, and InPost Gabaryt A/B/C with 15/30 mm bubble wrap and 1:1 AR fitment preview.
Fragile & Bottles
Engineering calculator for 30 / 50 / 75 mm cushioning shells, double-boxing, and FEFCO 0933 12-cell bottle partition grids in 3D and 1:1 AR.
FEFCO Dead Zones
Why won't a 244 mm product fit inside a 250 mm FEFCO 0427 mailer? Exact structural dead-zone analysis across 25 FEFCO/ECMA styles and custom box sizing.
B2B Widget
Embed the interactive packgen 3D/AR box fitment studio on your corrugated plant website, packaging store, or 3PL packing station with two lines of code.