Impossible dovetail box

prusaprinters

<p>This is a classic wood working trick.<br/> A dovetail is usually used to joint two pieces of wood together.<br/> This box is a "modern" printable version of it, print it and let your friends figure out how to open the box.</p> <p>For the locking mechanism you need two round neodym magnets 2mm thick and 10 mm diameter, and a 10 mm steel ball.</p> <p>The video shows (SPOILER ALERT) how to open the box by taping it against a hard surface, this makes the steel ball "swap" magnet and get out of the way so you can slide the two pieces apart.</p> <p>This is by no means my idea since this has been around for many many years, this is just my version of it with a small compartment in it and a hidden locking mechanism.</p> <p>No support needed, all tilted angles are 45 deg, most printers should handle this without issues.</p> <h3>Print instructions</h3><p>Unassociated tags: dovetail box</p> <h3>Category: Puzzles Summary</h3> <p>This is a classic wood working trick.<br/> A dovetail is usually used to joint two pieces of wood together.<br/> This box is a "modern" printable version of it, print it and let your friends figure out how to open the box.</p> <p>For the locking mechanism you need two round neodym magnets 2mm thick and 10 mm diameter, and a 10 mm steel ball.</p> <p>The video shows (SPOILER ALERT) how to open the box by taping it against a hard surface, this makes the steel ball "swap" magnet and get out of the way so you can slide the two pieces apart.</p> <p>This is by no means my idea since this has been around for many many years, this is just my version of it with a small compartment in it and a hidden locking mechanism.</p> <p>No support needed, all tilted angles are 45 deg, most printers should handle this without issues.</p> <h3> Print Settings</h3> <p><strong>Printer:</strong> Anet A8</p> <p><strong>Rafts:</strong> No</p> <p><strong>Supports:</strong> No</p> <p><strong>Resolution:</strong> 0,2</p> <p><strong>Infill:</strong> 20</p> <h3> Post-Printing</h3> <p><strong>Hardware needed</strong></p> <p>You need:<br/> 2x round neodym magnets 10 mm diameter, 2 mm thick.<br/> 1x steel ball 10mm diameter<br/> CA glue</p> <p>Glue a magnet in the bottom of the smaller hole in each piece, place the steel ball in the deeper hole, then slide the two pieces together, then smack the box against a flat surface so the ball moves to the other magnet, it now locks the two box pieces from sliding apart.</p> <h3> SPOILER (How it works)</h3>