[CNC Metalcraft] Machining an Aluminum EDC Playing Card with MAXMAKE HiMill D1S
Coins are cool. But let's make something different. Today, we're pushing the HiMill D1S to make an aluminum EDC playing card. Let's turn cold metal into a pocket fidget toy where every engraved line says "this is mine."
I. Project Overview
| Project Name | DIY Aluminum EDC Playing Card & Slider |
|---|---|
| Equipment Used | MAXMAKE HiMill D1S Desktop CNC |
| Core Principles | High-Precision Aluminum Relief Engraving + Standardized Post-Processing |
|
Use Case
|
EDC fidget toy, desktop display, custom gift
|
| Difficulty Level | Advanced (Great practice for flat relief machining) |
| Cycle Time | Approx. 7 Hours |
II. Prep & Design
The secret to a good EDC card is good feel and clean details. Plan your layout and chamfer settings ahead of time — it'll save you hours.
1. Materials List
2. Tooling Selection (High-Speed Aluminum Set)

III. CAM Settings (Machining Parameters)
These parameters are tuned for aluminum. With small tweaks, they work for most relief patterns.
A. EDC Card Machining
Tool: 3.175mm 3-Flute Spiral End Mill (Metal Roughing)
Stepover (Ae): 1.5 mm
Stepdown (Ap): 0.2 mm
Cutting Feed: 600 mm/min
Plunge Feed: 600 mm/min
Spindle Speed: 13,000 RPM
Tool: 20° 0.2mm Flat Bottom Engraving Bit (Relief Details)
Stepover (Ae): 0.1 mm
Stepdown (Ap): 0.2 mm
Cutting Feed: 300 mm/min
Plunge Feed: 300 mm/min
Spindle Speed: 13,000 RPM
Tool: 2mm Ball Nose End Mill (Edge Chamfering)
Plunge Feed: 300 mm/min
Spindle Speed: 13,000 RPM
B. EDC Slider Machining
Tool: 3.175mm 3-Flute Spiral End Mill (Surfacing)
Stepover (Ae): 1.5 mm
Stepdown (Ap): 0.2 mm
Cutting Feed: 600 mm/min
Plunge Feed: 600 mm/min
Spindle Speed: 13,000 RPM
Tool: 1.5mm 3-Flute Spiral End Mill (Inner Pocketing)
Stepover (Ae): 0.675 mm
Cutting Feed: 500 mm/min
Plunge Feed: 500 mm/min
Spindle Speed: 13,000 RPM
Tool: 2mm Ball Nose End Mill (Chamfering)
Plunge Feed: 300 mm/min
Spindle Speed: 13,000 RPM

IV. Machining Process
The HiMill D1S keeps flat relief accurate to within microns.

V. Post-Processing

VI. Final Showcase: A Card That Says It All
When warm aluminum is reborn through precise CNC carving, an EDC playing card that blends practicality with visual appeal finally reveals its crisp, rugged texture:

📥 Get the Files & Start Making
Ready to test your machine on metal? Download the blueprint files and build your own industrial EDC card!
Download via Google Drive

