badBrick - Parallax Continuous Rotation Servo Brick Top Mount.

thingiverse

Introducing the Parallax Continuous Rotation Servo Brick Top Mount, compatible with a single Parallax servo within an 8x3x4 block. This mount is perfect for prototyping purposes and can be integrated into a structure of four standard Lego bricks. The brick design helps secure sensors in place during construction. Although specifically designed for the Parallax servo, it may accommodate other servos as well. For printing, ensure that parts are printed with feet downwards to minimize edge curling. In MakerWare, adjust the "Medium" settings by setting Quality: Layer Height = 0.2 and increasing temp to 240 while keeping other defaults unchanged. After clipping off the feet, filing edges, and sanding for a snug fit, you can order prints at badbrick.com/catalog if you don't own a 3D printer.