Dimensional / Box-Packing Shipping for Magento 2

Key Features

Admin-managed carton catalog with inner/outer dimensions, maximum payload weight, and dunnage/void-fill allowance, governed by a dedicated admin ACL resource

3D bin-packing algorithm that fits items by volume, dimensions and orientation rather than weight alone, with configurable packing strategy

Plugin (interceptor) on the carrier rate-collection flow (`Magento\Quote\Model\Quote\Address\RatesCollectorInterface` path) so packed dimensions drive every rate quote

Multi-box split for large orders — when no single carton fits, the engine returns multiple optimally-filled cartons

Dimensional-weight (DIM) calculation per carrier divisor (e.g. 139 / 166), choosing billable weight = max(actual, DIM)

Per-product physical dimension attributes (length, width, height) plus per-SKU overrides and non-stackable / fragile flags

Carrier-aware: feeds packed cartons into UPS, FedEx, USPS, DHL or a custom rate API via your existing shipping carrier models

Packing result persisted on the quote and order, exposed for warehouse pick-pack and packing slips

REST and GraphQL endpoints returning the carton plan so headless / PWA Studio storefronts and your WMS share one source of truth

Admin order view shows the chosen carton(s), fill efficiency, and billable vs actual weight for support and audit

Configurable fallback behavior (default carton or core weight-based rate) when an item is missing dimensions, logged for cleanup

Optional cron-based revalidation of the box catalog and a CLI command to dry-run packing for a given quote during onboarding

Built to order, done for you

No DIY setup — a working app, built, installed and supported by ECOSIRE.

You order

Start with a one-time build price. We scope it with you at kickoff.

We build & install

ECOSIRE builds, configures and installs it on your Magento 2.

Go live + support

You go live in about 2–4 weeks, with a post-launch support window.

About this Product

Magento's native shipping flow estimates carrier rates from total order weight alone. For merchants shipping bulky or multi-item orders, that produces wrong dimensional-weight (DIM) charges — you either overcharge customers and lose conversions, or undercharge and eat the carrier's reweigh adjustment at the end of the month.

This extension replaces that guesswork with a real packing engine. ECOSIRE builds you a custom Magento 2 module (under app/code/Ecosire/BoxPacking) that introduces an admin-managed carton catalog (inner/outer dimensions, max payload, dunnage allowance) and a 3D bin-packing algorithm. At quote time, a plugin on the carrier rate-collection flow intercepts the request, runs each cart item (with its physical dimensions and quantity) through the packer, and returns the optimal box or a multi-box split for oversized orders. Those real package dimensions are then handed to your carrier integrations (UPS, FedEx, USPS, DHL or a custom rate API) so the rate request reflects actual cartons, not a flat weight.

Because it is a service contract-based module with its own di.xml wiring, it layers cleanly over Magento core and most third-party carrier extensions without core edits. Item dimensions are exposed via product attributes; packing results are persisted on the quote/order for warehouse pick-pack and surfaced through REST and GraphQL so headless storefronts and your WMS see the same plan.

This is honest build-to-order. You are not downloading an instant package from the Adobe Commerce Marketplace. After purchase ECOSIRE scopes your box catalog and carriers, builds the module, installs it on your environment (Open Source or Adobe Commerce, on-prem or cloud), and supports it. Works with Magento 2.4.x.

What you get

Custom Magento 2 module under `app/code/Ecosire/BoxPacking` (or supplied as a Composer package) with full source and `composer.json`

`di.xml` plugin/preference wiring, service contracts (interfaces under `Api/`), and the packing algorithm implementation

Admin UI for the carton catalog (UI component grid + form) with ACL, plus system configuration for DIM divisors and per-carrier behavior

Database schema (declarative `db_schema.xml`) for cartons and persisted packing results, with data patches for seed cartons

REST and GraphQL coverage for the packing plan, documented for headless integrations

Installation on your environment (setup:upgrade, di:compile, static-content:deploy) on Open Source or Adobe Commerce

Configuration of your real box catalog and carrier DIM rules, with a packing dry-run validated against sample orders

Technical handover doc plus admin how-to, and a defined post-launch support and bug-fix window

Who this is for

Operations / Fulfillment Manager

Ships bulky or multi-item orders and is tired of month-end carrier reweigh adjustments. Wants quoted shipping to match what the carrier actually bills so margins stop leaking.

Magento eCommerce Manager

Sees cart abandonment from inflated or inconsistent shipping rates. Wants accurate, dimension-aware quotes at checkout to protect conversion without giving away free shipping cost.

Magento Developer / Technical Lead

Owns a 2.4.x Open Source or Adobe Commerce build and needs a clean, service-contract-based module that layers over existing carrier extensions without core hacks, with REST/GraphQL for the headless storefront and WMS.

How Dimensional / Box-Packing Shipping for Magento 2 Compares

Criterion	ECOSIRE	Custom Build	Competitor
Real 3D bin-packing / box-selection algorithm	Included	Partial support	Partial support
Dimensional-weight rate accuracy fed to carriers	Included	Partial support	Included
Multi-box split for oversized orders	Included	Partial support	Partial support
Built, installed and supported for you (no in-house build effort)	Included	Not included	Partial support
REST + GraphQL packing plan for headless / WMS	Included	Partial support	Partial support
Tailored to your exact carton catalog and carrier DIM rules	Included	Included	Not included
Full source ownership, no per-seat or SaaS lock-in	Included	Included	Partial support

Frequently Asked Questions about Dimensional / Box-Packing Shipping for Magento 2

How long until it's delivered, and is this an instant Marketplace download?

No — this is build-to-order, not an instant Adobe Commerce Marketplace download. After purchase we scope your carton catalog and carriers, then build, install and configure the module on your environment. Typical delivery is about 2 to 4 weeks depending on the number of carriers, custom rate APIs, and how clean your product dimension data is. We confirm a firm timeline during scoping before any build work starts.

What ongoing support and updates are included?

The build includes installation, configuration of your real boxes and carrier DIM rules, a technical handover, and a defined post-launch bug-fix window. After that we offer optional ongoing support and maintenance — Magento 2.4.x minor-version compatibility checks, carrier rule updates, new carton or carrier additions, and enhancements — quoted as a retainer or per-change. Because you receive full source, your own team can also maintain it.

Will this work with my existing carrier extension (UPS, FedEx, DHL, or a custom API)?

Yes. The module is carrier-agnostic: it computes the optimal carton(s) and hands real package dimensions to your shipping carrier models. It integrates with native Magento carriers and most third-party carrier extensions, or with a custom rate API. We confirm exact compatibility with your specific carrier setup during scoping.

Does it support Adobe Commerce and headless / PWA Studio storefronts?

Yes. It runs on both Magento Open Source and Adobe Commerce (on-prem or cloud), Magento 2.4.x. The packing plan is exposed via REST and GraphQL, so PWA Studio, custom headless frontends, and your WMS consume the same carton selection the Luma storefront uses.

What happens if a product is missing its physical dimensions?

You configure a fallback: either a default carton or Magento's core weight-based rate, and every fallback is logged so your team can backfill the missing length/width/height attributes. During onboarding we run a packing dry-run across sample orders to surface SKUs with incomplete dimension data before go-live.