CHOOSE YOUR TRUNKWERKS
Choose the finished system or print your own.
ENGINEERING BREAKDOWN
The TRUNKWERKS EV Adapter Platform is a two-level system engineered for precision. The lower layer features a 5x3 Gridfinity storage base, providing a modular foundation for your vehicle's interior. The upper layer is a removable magnetic carrier, designed with a scan-derived Lectron adapter pocket for seamless integration with your BMW i4 cubby.
REAL INSTALLATION PHOTOGRAPHY — BMW i4 FACTORY TRUNK-SIDE CUBBY, PRODUCTION CONFIGURATION V1.6P.
FROM 3D SCAN TO PRINT-READY PARTS
The Lectron adapter was digitally scanned to establish the indexed carrier-pocket geometry. The tray, carrier, purpose-built bins, splines, and TPU contact pads were then organized and validated as production plates in Bambu Studio.
STL FILE PACKAGE
TWO PRINT FORMATS. ONE FINISHED SYSTEM.
Choose the file set that fits your printer.
Standard-size FDM printers use the split-print STLs. The tray and carrier print in sections and are assembled using the included spline components.
Large-format FDM printers—such as the Bambu Lab H2C or printers with an equal or larger usable build area—can use the NoSpline STLs to print the tray and carrier as unified parts with no seam assembly.
Both formats create the same installed TRUNKWERKS storage system and use the same magnets, TPU pads, and purpose-built storage bins.
DIGITAL STL PACKAGE — $19.99
Includes both the Split-Print and Large-Format NoSpline file sets, allowing you to select the version appropriate for your printer.
FILE FORMATS
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STL — individual print-ready components
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3MF — Bambu Studio production project
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PDF — supporting documentation
VALIDATED FIT
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BMW i4 factory trunk-side cubby
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Lectron Vortex Plug adapter pocket
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Standard-size FDM/FFF printers using the supplied Split-Print files
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Large-format FDM/FFF printers with sufficient usable build area using the supplied NoSpline files
PACKAGE INCLUDES
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Complete Split-Print file set: tray halves, carrier halves, and spline components
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Complete Large-Format NoSpline file set: unified tray and unified carrier adapter
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Seven purpose-built Gridfinity storage bins
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Four TPU contact pads
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Bambu Studio 3MF production project
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Print & Assembly Guide V2.5
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Vehicle Installation & Use Guide V1.2
Digital files only. 3D printer, filament, magnets, adhesive, Lectron adapter, and other hardware are not included.
IMPORTANT PRODUCT DETAILS
DIGITAL DOWNLOAD
- STL and 3MF production files with supporting PDF guides. No physical components are shipped
VALIDATED APPLICATION
- Designed for the BMW i4 factory trunk-side cubby and the Lectron Vortex Plug adapter. Adapter sold separately.
PRINTING & ASSEMBLY REQUIRED
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Requires a suitable FDM/FFF printer, filament, magnets, adhesive, TPU, and basic assembly tools. Follow the supplied guides and verify fit before vehicle use.
WE ENGINEER PURPOSE-BUILT STORAGE SYSTEMS FOR ELECTRIC VEHICLES. STARTING WITH THE BMW i4, TRUNKWERKS TRANSFORMS UNUSED VEHICLE SPACE INTO PRECISE, FUNCTIONAL STORAGE DESIGNED FOR REAL-WORLD EV OWNERSHIP.
ASSEMBLY & INSTALLATION GUIDES: SUPPORT@TRUNKWERKS.COM