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LIMITED OFFER

ENDS MIDNIGHT WEDS 4-29 MST 

74X Complete Variant Systems Pack​​

Everything needed to build the most complete 74X package yet — Physically shipped items + Digital stacks including retracts, both boards, major variants, and the exclusive clear cockpit window upgrade. (Below)

 $287 regular value

$229.30​​

Currently 5 physical packs available

Download size 4.44G 

STL + Printer Compatibilty Included

Ready-to-print for Bambu P1, P2, and X1
Core stack also supports K1, Ender 3, and Flsun V400
Instant download + stocked hardware ships fast

Built for 74X builders who want every major variant option in one download package.

  • Exclusive detachable cockpit upgrade included

  • 1 set of clear vac-formed cockpit window inserts shipped

  • 74X Core v1.5 + Short Deck V2 + Stratus + Classic Engine + wing variants

  • Retract system with auto-sequenced gear doors 

  • Realistic lighting controller + retract driver board shipped

  • Vac-form box files + modified fuselage sections + Vac molds included

Detachable Cockpit Included Option 1:

  • 3d printed detachable cockpit piece from LW-PLA.

  • Modified fuselage nose section.

  • 3D printed ABS/ASA cockpit window Vac Mold.

  • Clear plastic vac formed cockpit windows.

  • 3D printable vacuum forming box.

  • Step by step instructions & list of easily sourced materials.

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Shipped piece with purchase 
Only 10 available

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Insert into 3D printed cockpit. (3D print files included)

Detachable Cockpit Included Option 2:

  • Modified fuselage nose section.

  • 3D printed ABS/ASA cockpit Vac Mold.

  • Clear plastic vac formed cockpit hatch- Apply window masking, paint, remove masking, trim edges, & attach to the fuselage nose section for a cockpit with easy-made transparent windows. 

  • 3D printable vacuum forming box.

  • Step by step instructions for Vac forming (Same as option 1). For install, simply glue to "F1R option 2" after painting.

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Vacuum Form Box & Vac Molds Easily Printed Using Gcode & Bambu Studio Ready Print Plates

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INCLUDED IN PURCHASE

Shipped items only 10 available:

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74x Retract Driver Board

Realistic Lighting Controller Board

74x Clear Vacuum Formed Cockpit Window Inserts (Option 1)

Digital Pack -Delivered Instantly Upon Purchase:

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74x core.png
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retracts.png
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wing variants.png
stratus.png

$229​​

Currently 5 physical packs left

HM3D, LLC

3D printed RC airliners & heavy jets 

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