Bolts Projects

Fast Toy Wood Car

Fast Toy Wood Car

Lots of my friends have kids, and that means lots of birthdays. I wanted to have a custom present that’s easy to make and has lots of room to play,...

Posted by Ed Lewis

Categories: Home, Kids & Family | 1 Comment


Fetch-O-Matic

Fetch-O-Matic

Several years ago I watched a viral YouTube video that starred Jerry the Dachshund, whose engineer owner had built him his very own automated ball launcher. I had two dogs...

Posted by Dean Segovis

Categories: Woodworking, Fun & Games | 4 Comments


Gravity Catapult

Gravity Catapult

I have long been enamored of catapults. Invented around 400 B.C., they were used until nearly A.D. 1300. So for 1,700 years, catapults were arguably the largest, most expensive, and...

Posted by William Gurstelle

Categories: Fun & Games | No Comments


Tiny Wanderer

Tiny Wanderer

In early 2011 my robot club, the Dallas Personal Robotics Group, was looking for a way to help our beginning members build up their skills. To this end, we produced...

Posted by Doug Paradis

Categories: Electronics, Robotics | No Comments


Lawnbot400

Lawnbot400

I have always hated mowing the lawn. I was the guy who only mowed when the grass got to be 6" taller than the neighbors’ lawns — not because I...

Posted by J D Warren

Categories: Arduino, Electronics, Robotics | No Comments


Plant Light Stand

Plant Light Stand

If you aren’t fortunate enough to have a heated greenhouse but still want to start your own plants from seed in the winter, this inexpensive plant light stand will get...

Posted by Thomas R Fox

Categories: Furniture, Gardening | No Comments


Dodecahedron Lamp

Dodecahedron Lamp

People appear symmetrical, but even the most perfect human face shows irregularities if we compare the left side with the right. Perhaps this is why the absolute, rigid symmetry of...

Posted by Charles Platt

Categories: Furniture | No Comments