We have covered 3Doodler’s 3D printing pens a bunch of times here. The 3Doodler PRO is a 3D printing pen for professionals. It allows them to bring their ideas to life faster. The device comes with a power adapter and battery pack and gives users temperature control. It also has a variable fan speed, a LCD display to monitor temperature and speed settings, and a range of nozzles for you to use.
Pro lets you design in wood, nylon, and other materials. Sets you back $250.