Shredding issues isn’t simply good for effectively and securely disposing of them. It’s additionally very enjoyable, as nicely. [Joonas] of [Let’s Print] didn’t have a shredder, so set about 3D printing one among their very personal.

The design apes that of the large steel trash shredders you’ve most likely seen in movies everywhere in the web. They use a pair of counter-rotating drums with massive tooth. Because the drums flip, the tooth seize and pull objects into the hole between the drums, the place they’re duly torn aside into smaller items.

On this design, plastic drums are pressed into service as [Joonas] doesn’t have a steel 3D printer. A brushed DC motor is used to drive the shredder. A big multi-stage gearbox is used to step down the motor’s output and supply loads of torque to do the job.

The shredder will get examined with loads of amusing rubbish. Every thing from outdated greens, to paper, and rock-hard outdated cheeseburgers are put via the machine. It does an ready job in all instances, although clearly the plastic drums can’t deal with the identical type of jobs as a correct steel shredder. Tougher plastics and aluminium cans stall out the shredder, although. The gearbox additionally tends to strip gears on the more durable stuff. The essential idea is sound, however some upgrades may actually make this factor shine.

Is it a tool that may see loads of sensible use? Maybe not. Is it a enjoyable gadget that may be the star of your subsequent hackerspace Present and Inform? Completely. Plus it could be an effective way to eliminate plenty of these unfinished tasks that at all times clog up your storage areas, too! Video after the break.