Retro CPU Tray Generator

Stackable 3D-printable trays for PGA / LGA processors, QFP / PLCC chips and DIP chips · WebGL preview · OpenSCAD and STL export

1. Package / socket

Package width mm

Package length mm

Chips per channel 4

Gap between chips 1.5 mm

2. Rows 2

Columns 3

Fixed outer format (one size for every package, so trays stack across families)

Width mm

Length mm

3. Print fit tolerance (pocket clearance) +0.50 mm

Wall between pockets 3.0 mm

Floor 2.5 mm

Pocket depth 8.5 mm

Support height 4.0 mm

Central pedestal (package rests on its pin-free centre)

Pedestal side 16 mm

Edge ledge under the substrate rim 0.0 mm

Pad inset from the body edge 0.5 mm

Push-out hole through the support and floor

Hole diameter 10 mm

Centre rail width 12.6 mm

Channels along the width (rotate 90°)

Stacking rim height 2.0 mm

Auto-rotate preview

4. Label (engraved into the front wall; exact in the OpenSCAD export)

📐 Parameters

💾 Retro CPU Tray Generator