battery tray 3d model

Design a 3D-printable removable battery tray for an electronics enclosure. PURPOSE: - Hold four lithium battery packs taken from all-in-one PC or laptop adapters - Each pack is a 4S lithium pack made from 18650 cells - Tray must be safe, serviceable, and optimized for FDM 3D printing GENERAL FORM: - Rectangular removable tray - Slides into an enclosure from the rear or bottom - Industrial, functional design - No sharp edges near batteries CAPACITY & LAYOUT: - Holds 4 battery packs arranged in a 2×2 grid - Each pack placed in its own isolated compartment - Compartments separated by internal walls DIMENSIONS (PARAMETRIC / TARGET): - Designed for 18650-based laptop packs - Approximate single-pack footprint: - Width: 80–85 mm - Depth: 60–65 mm - Height clearance: 70 mm - Clearance around each pack: 1.5–2.0 mm - Tray wall thickness: 2.0–2.5 mm - Overall tray footprint sized to fit inside a 220×180 mm enclosure MECHANICAL FEATURES: - Side rails on left and right edges for sliding into enclosure - Rear fi