Apache 2800 Gridlock Kit .STEP Files

Bring professional-grade organization and modular design to your portable audio builds with this 3D printable amp and battery mounting grid system, engineered specifically to fit the Harbor Freight Apache 2800 case.

This comprehensive digital file set includes everything needed to create a fully modular, customizable mounting system for amplifiers, batteries, and accessories — perfect for DIY audio enthusiasts, makers, and portable power builders.

THESE ARE .STEP FILES SO YOU CAN CUSTOMIZE AND DEVELOP TO FIT YOUR NEEDS!!

DESIGNED TO BE PRINTED UPSIDE DOWN, ENABLE SUPPORTS AS THEYRE NEEDED FOR THE GRID TO CASE MOUNTING LOCATIONS.

Release Notes:

v1.1 - Fixes 2 missing peg holes for the grid system assembly

Features 

Precision-Fit Design:
Tailored to the interior dimensions of the Apache 2800 case for a secure, rattle-free fit.

6-Piece Floor/Grid Kit:
Forms the foundation of the system, creating a durable and versatile mounting surface for all components.

Amp & Battery Case Modules:
Dedicated housings with integrated cable routing and cooling space, featuring custom floor/grid end pieces for seamless integration.

Connector Crosses & Peg System:
Includes all the required interlocking connectors and pegs for easy, tool-free assembly and reconfiguration.

Customizable Badge Plate:
Personalize your build with a custom logo or label plate, designed to optionally accommodate a 2.7mm RGB LED strip for lighting effects.

Included Files

(6) Base grid panels

(2) Custom grid end pieces for amp/battery modules

(1) Amp & battery case set

(1) Badge plate (LED-compatible)

(Connector crosses and pegs)

Notes

Designed for FDM 3D printing (recommended minimum build volume: 180×180×180mm)

Hardware and electronics not included

Assembly and layout are modular — mix, match, and expand as needed

Usage

This file set is for personal use only. No commercial redistribution, sales, or remixes without permission.