Heatherington] which uses a hot wire forming tool to make precise bends. The tool is simple to use plus it’s cheap and easy to build. It’s a great choice if you don’t have a heat gun ...
but serves as a quality wire cutter and crimper, too. The tool has specific ports for insulated and non-insulated terminals and comes with a textured, serrated nose for bending wires. Craftsman ...
All the parts are 3D-printed, with two NEMA 17 steppers taking care of both wire feed and moving the bending head. It appears that the head has multiple slots for tools of different shapes.