Summer butterfly designs incorporating the 3D technique are sure to make ... Pastel trends in nail art are becoming the talk of the town, with their soothing shades that are easy on the eyes and bring ...

[Fab] went with a simple butterfly valve design, similar to the throttle valve in most gasoline-powered cars. The butterfly vane rotates to vary the flow, turned by a small SG90 servo. A Wemos D1 ...