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Magnet-Riegel (Magnetic Latch with Auto-Lock)

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Magnetic Latch – 3D Printed Latch with Automatic Function

Description

This latch consists of three 3D printed parts:

  • Latch bolt (movable sliding element)
  • Latch holder (guides the bolt)
  • Latch receiver (counterpart into which the bolt engages)

Recesses for magnets (5 × 5 mm) are integrated into the parts. This allows the latch bolt to automatically engage left or right and stay securely in position.
Ideal for doors, flaps, boxes, or cabinets where a simple yet reliable latch is needed.

Print Settings

  • Material: PLA for indoor, PETG/ASA for higher load or outdoor
  • Layer height: 0.2 mm recommended
  • Infill: 20–30%
  • Support structures: not necessary
  • Orientation: flat on the print bed

Special feature: Magnet insertion during printing

  • Pause printing after Layer 37 and Layer 44
  • Insert magnets (5 mm diameter × 5 mm length) into the recesses
  • Resume printing – the magnets will be directly embedded

Assembly

  • Attach the latch holder and latch receiver to the desired surface
  • Slide in the latch bolt
  • Done – the magnetic latch is immediately ready for use



 

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