Select the right welding system when joining rotationally molded parts. It's often to a designer's advantage to make a rotationally or rotomolded part as simple as possible, then customize it with ...

The last two decades have seen substantial improvements in ultrasonic plastic-welding machines. Bench-top models feature proportional-valve controls, linear encoders, line-voltage regulation, internal ...

This kayak to sailboat conversion is well done and makes for an interesting project. But even if you’re not going to be hitting the water on one of your own, the construction techniques are a useful ...