[Jeff Rodriguez] has been busy testing a feasible DIY method for rifling a barrel and has found some success using salt water, a power supply, wire, and 3D printed parts to create the grooves of ...

Radiation patterns for antennas can be utterly confusing, especially when presented in two dimensions, as they usually are. Fear not, [Hunter] has your back with 3D printed and color-coded radiation ...

Transform your walls with this DIY 3D wall decoration idea, brought to life through a step-by-step pictographic video! Using paper, cardboard, or foam, this tutorial helps you craft stunning geometric ...