A compact card-shaped bit holder with friction-fit slots. The model features a flat design with two groups of openings that securely hold 10 bits of 4mm size. Includes a magnetic mounting point on the back for attaching to metal surfaces.

Technical Specifications:

- Dimensions: 85.6mm x 53.98mm

- Thickness: 5mm

- Format: ID-1 (standard credit card size)

- Number of bit slots: 10

- Features:

* Friction-fit slots for secure bit retention

* Single magnetic mounting point on the reverse side (12mm x 36mm x 2mm)

* Lanyard hole for carrying

- Storage capacity: 10 bits of 4mm size

- Magnet dimensions: 12mm x 36mm x 2mm

Printing Recommendations:

- Material: PETG or PLA

- Infill: 10-20%

- Wall thickness: minimum 0.8mm

- Recommended layer height: 0.2mm

- Print orientation: flat on build plate

- Supports: not required with correct orientation

Additional Notes:

- Single 12x36x2mm magnet to be installed post-printing on the back side

- Bits are held in place by friction fit, no magnets needed for bit retention

- Optional lanyard/strap can be added through the dedicated hole

- Model optimized for standard 4mm bits

- Design includes a recessed pocket for magnet installation

Application:

Convenient organizer for storing and carrying screwdriver bits. Compact size allows for pocket carrying. Can be mounted on any metal surface using the magnetic back, making it ideal for workshop organization.

4mm Bit holder card

0.2mm layer, 2 walls, 15% infill