Most of us want our 3D prints to be perfect. But at Cornell University, they’ve been experimenting with deliberately introducing defects into printed titanium. Why? Because using a post-print treatment …read more (https://hackaday.com/2022/02/02/defective-3d-printing-for-great-strength/)

The Wanhao Duplicator CNC Heat Sealer
https://hackaday.com/2022/02/02/the-wanhao-duplicator-cnc-heat-sealer/

https://www.thanehunt.com/#/cnc-heat-sealer/
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/02/PXL_20220109_024256925_AdobeCreativeCloudExpress.gif?w=270" data-large-file="https://hackaday.com/wp-content/uploads/2022/02/PXL_20220109_024256925_AdobeCreativeCloudExpress.gif?w=270">[Thane Hunt] needed to find a way to make a variety of different heat-seal patterns on a fluid heat exchanger made from polyolefin film, and didn’t want all the lead …read more (https://hackaday.com/2022/02/02/the-wanhao-duplicator-cnc-heat-sealer/)

Keep Track Of Your Google Calendar With This Custom Build
https://hackaday.com/2022/02/02/keep-track-of-your-google-calendar-with-this-custom-build/

Keeping track of your appointments on Google Calendar is easy enough if you’re holding a phone or sitting at a computer, but sometimes you just want to know what’s going …read more (https://hackaday.com/2022/02/02/keep-track-of-your-google-calendar-with-this-custom-build/)

3d Printed Circular Prototype Performance Prop Captivates Circus Spectators
https://hackaday.com/2022/02/02/3d-printed-circular-prototype-performance-prop-captivates-circus-spectators/

When mathematically inspired maker [Henry Segerman] conspired with circus performer and acrobat [Marcus Paoletti] to advance the craft of acrobatics in round metal objects (such as cyr wheels and German …read more (https://hackaday.com/2022/02/02/3d-printed-circular-prototype-performance-prop-captivates-circus-spectators/)

Forget Sudoku, Build Yourself a Minimalist Rubik’s Solver Robot
https://hackaday.com/2022/02/02/forget-sudoku-build-yourself-a-minimalist-rubiks-solver-robot/

https://www.youtube.com/watch?v=oYRXe4NyJqs
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/02/Snap-2022-02-02-at-13.11.08.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/02/Snap-2022-02-02-at-13.11.08.png?w=800">Some people like crossword puzzles, some are serious sudoku ninjas, but [Andrea Favero] likes to keep himself sharp, by learning coding and solving control problems, and that is something we …read more (https://hackaday.com/2022/02/02/forget-sudoku-build-yourself-a-minimalist-rubiks-solver-robot/)

PCB Stepper Motor Micro Robots
https://hackaday.com/2022/02/03/pcb-stepper-motor-micro-robots/

video screen capture from short clip on project blog post
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2022/02/ubot-feature.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2022/02/ubot-feature.png?w=800">[Kevin Lynagh] is interested in tiny PCB stepper motors, and after reviewing the various projects and patents to-date, decided to give it a try himself. These are basically a stepper motor …read more (https://hackaday.com/2022/02/03/pcb-stepper-motor-micro-robots/)

Arduino Activated Automotive Aerodynamic Apparatus is… (Spoiler Alert!)
https://hackaday.com/2022/02/03/arduino-activated-automotive-aerodynamic-apparatus-is-spoiler-alert/

Sometimes a great hack is great for no other reason than that it’s fun, and [Michael Rechtin]’s DIY Active Aero Spoiler and Air Brake certainly qualifies as a fun hack. …read more (https://hackaday.com/2022/02/03/arduino-activated-automotive-aerodynamic-apparatus-is-spoiler-alert/)