SideShelf – Modular Smart-Access Storage System

SideShelf is a sleek, low-profile modular organizer designed for the Cooler Master MasterFrame 600. It adds significant storage without increasing the case’s overall footprint, offering multiple compartments to keep tools, accessories, and small items neatly accessible.

Features

• Magnetic Compartment Locks – Precise closing feedback using magnets and lever-release system.

• Push-Open Tray – Smooth push-open action; pivots downward for easy access to pens, pencils, or small tools.

• Removable Storage Box – Screw-style compartments for screws, bits, fittings, SD cards, or tiny components.

• Sliding Door Compartment – Low-profile cabinet for items that need quick yet discreet access.

• Hex Pegboard Drawers (Small + Large) – Strong, stylish drawers for designed for fitting custom attachments to organize items, tools, and other PC accessories. Design your own with the dimensions provided (hole depicted on photo)

• Phone Tray – Keeps your phone stored away to reduce distractions; also fits calculators or small SSDs.

• Utility Hook – Holds lanyards, keys, cables, or lightweight gear.

Perfect for:

• Gamers – store dongles, adapters, thumb grips, or spare screws.

• Engineers / Makers – keep calipers, mini ruler, bits, pencils, measuring gauges, and fasteners handy.

• Modders – store zip ties, O-rings, cable combs,  tools, and other hardware.

• General Desk-Office Use – hold keys, cards, USBs, SD Cards, coins, notepads, and hand held electronic devices.

📦 Hardware Required

• N42 neodymium 6x2mm magnets (x16, up to x28 if more opening strength desired)

• M3 screws( x2)

• M4 screws (x2)

• Rubber bands (x2, up to x4 if desired)

• Glue (high-temp hot glue, super glue, or chemical compound that welds 3d printed parts)

• Double-face Strong industrial tape or similar fastener to join SideShelf to the case side

🖨 Recommended Print Settings

• Layer Height: 0.25mm

• Walls / Shells:  3 or more

• Infill: at least 15% (for gyroid)

• Material: PETG  (best for flexibility for assembly and for spring action)
  

• Supports: Designed with <45-degree overhangs on most features to nearly eliminate support usage. Some features require localized support (or perfect bridging parameters) for optimal printing

• Orientation Notes: Some parts (noted on respective descriptions) are composed of 2 or more bodies. Use the "split to objects" option to arrange them freely on the build plate

  • Add supports to

    • joint voids if bridging is not adequately calibrated

    • Pins for rotating compartment joints

    • lever sides (print the sideways for maximum strength)

    • center panel lid

  • most angleas are support-free

Qube540 (or smaller PC cases)

• For smaller cases, use only four corners, duplicating and mirroring the design of your choice. No middle panels are necessary.