Tools

Tool Review: Great Innovations Ultimate Engineering Screw Chart

Tool Review: Great Innovations Ultimate Engineering Screw Chart

The slide rule may be a quaint anachronism in this age of ubiquitous computing, but there’s still a place for the slide chart, the volvelle, the nomogram, and other hand-held “paper computers.” These are still published by a few companies, and are a handy source of on-the-spot reference data, particularly in field or workshop environments that may be inhospitable to or inconvenient for electronic devices. Slide charts containing key screw, bolt, and nut data have been around for decades, and the folks at Great Innovations identify TAD’s Universal Reference Calculator, discontinued in the mid 1990s, as inspiration for their chart.

DiResta: Hatchet

DiResta: Hatchet

In each bi-monthly episode of DiResta (every other Wednesday at 2pm PT), artist and master builder Jimmy DiResta (Dirty Money, Hammered, Against the Grain, Trash for Cash) lets us into his workshop, to look over his shoulder while he builds whatever strikes his fancy. In this episode of DiResta, Jimmy has his way with an old hatchet and transforms it into a sweet little showpiece tool.

For supplies and materials lists, notebook sketches, and Jimmy’s Notes, check out this page on MAKE: http://blog.makezine.com/2012/12/12/diresta-hatchet/

Tool Review: QU-BD Silicone Heater

Tool Review: QU-BD Silicone Heater

QU-BD (pronounced “cubed”) is a recent startup that sells parts for 3D printers. They sent us a few of their silicone heaters to review. The heaters were designed for use in a heated build platform (which is required for warp-free ABS prints) and come in three different-sized square pads of 150 × 150mm, 200 × 200mm, and a giant 300 × 300mm. They are about 3mm thick and a 100k thermistor is built into each pad for measuring their temperatures. The build quality of the heaters is quite robust. The pads are made of a flexible fiberglass-reinforced silicone…