The 3D printing process begins with a 3D model of the object, usually created by computer-aided design (CAD) software. One of the widely used open-source CAD programs is OpenSCAD. Here is an example of a simple 5 x 7 x 10 pyramid created using OpenSCAD. An STL (“StereoLithography”) file is a triangular representation of a… Continue reading
Ever wondered how the modern flashlight works? What happens when you click the switch on, or click it multiple times to change the brightness? I was curious about it as well, so I deconstructed a commercially available flashlight (Astrolux S1) and studied the parts; even reprogrammed it to have different levels of brightness. Here is… Continue reading
Kinematics is the study of motion or movement in space. In the case of Linear Delta Printer Kinematics we are interested in how the (linear) motion of three carriages along identically spaced vertical columns is transformed into the movement of the tip of a hotend in the usual Cartesian system of X, Y and Z… Continue reading
Invented by Dominic Beauchamp (a.k.a Dox), the ErgoDox is an ergonomic mechanical keyboard that uses an open hardware and software. Built off the Key64 keyboard design, which was a keyboard that tried to reduce the total number of keys to just the ones you really need. The ErgoDox has a few additional keys, bringing the total… Continue reading