Hackaday Podcast25 Apr 2025

Ep 318: DIY Record Lathe, 360 Degree LIDAR, and 3D Printing Innovation Lives!

This week Elliot Williams was joined by fellow Europe-based Hackaday staffer Jenny List, to record the Hackaday Podcast as the dusk settled on a damp spring evening.

On the agenda first was robotic sport, as a set of bipedal robots competed in a Chinese half-marathon. Our new Robot overlords may have to wait a while before they are fast enough chase us meatbags away, but it demonstrated for us how such competitions can be used to advance the state of the art.

The week's stand-out hacks included work on non-planar slicing to improve strength of 3D prints. It's safe to say that the Cartesian 3D printer has matured as a device, but this work proves there's plenty more in the world of 3D printing to be developed. Then there was a beautiful record cutting lathe project, far more than a toy and capable of producing good quality stereo recordings. Meanwhile it's always good to see the price of parts come down, and this time it's the turn of LIDAR sensors. There's a Raspberry Pi project capable of astounding resolution, for a price that wouldn't have been imaginable only recently. Finally we retrned to 3D printing, with an entirely printable machine, including the motors and the hot end. It's a triumph of printed engineering, and though it's fair to say that you won't be using it to print anything for yourself, we expect some of the very clever techniques in use to feature in many other projects.

The week's cant-miss articles came from Maya Posch with a reality check for lovers of physical media, and Dan Maloney with a history of x-ray detection.

You'll find all the links over at Hackaday!

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