Reader Input
Notes from readers like you. Page 04
Make: magazine is back in action and back to our original size! This issue’s cover project is a maker’s take on a Boston Dynamics-style quadrupedal walking robot that you can build yourself. Then, build an adorable unicorn shaped dispenser that spits soap on command. And to celebrate Make:’s return, why not build a custom dancing version of our Makey mascot.
Plus, 28 projects including:
On the Cover: Developed by maker Rongzhong Li, NybbleCat is and open source quadruped robot kit that walks, waves, reacts to commands, and looks super cute doing it.
Notes from readers like you. Page 04
It’s good fortune to have others pick you up when you’re down.Page 07
Backyard builds from around the globe.Page 08
Public Lab is working to build a healthier and more equitable world through community science, open technology, and environmental justice. Page 16
Italians designs for a carbon-free future at Maker Faire Rome. Page 28
Why lock yourself indoors when there’s so much building to be done outside? Page 32
Explore the seven seas in this just-barely-one-person motorboat. Page 34
Use machine learning to identify different bird species and deter squirrels with the Coral Dev Board. Page 46
Use a CNC router to build a beautiful, hollow wooden stand-up paddleboard. Page 52
Assemble this surfboard rack to keep your quiver clean and clear.Page 62
Traversing sand dunes and bay waters, the 3-day, human-powered Kinetic Race celebrates 50 years with 50 miles of grueling and hilarious ingenuity.Page 63
Why be constrained to just one campsite? Convert a van, pack up your gear, and the whole world becomes yours to explore.Page 64
Design and build your own mountain bike track for riders of all skill levels. Page 66
Impressive and easier than it looks, it’s perfect for outdoor adventures or gift giving. Page 70
Get the most out of your camping trip with these clever projects. Page 74
Build a true quadruped, walking robot kitten with the free OpenCat framework running on an inexpensive Arduino.Page 76
Build our biped mascot with all-new articulated arms and head, plus all the dance moves of the popular Otto platform. Page 84
Build an affordable, autonomous racer that can (finally?) beat human drivers. Page 90
Hack a cheap automatic soap dispenser to build your own wash-time buddy.Page 94
How one maker built an amphibious vehicle from hacked power tools. Page 100
Measure your face’s exposure to UV rays with a “Sunny Sam” dummy. Page 106
Turn a vintage radio into a lo-fi guitar amp.Page 112
Chop up your designs when you need something bigger than your bed. Page 118
Make a cardboard attachment guide for your classroom to help inspire great builds. Page 122
Gear up with reviews of the latest tools and kits for makers.Page 124
Dazzling projects from our inventive readers.Page 128