Here is another 3D pen that lets you bring your ideas to life faster. The Polaroid Design 3D Pen is a sleek device that lets you create 3D models without a printer. It lets you create any structure and has an internal cooling fan to prevent jamming. It also auto-ejects filament before going inactivity.
The pen has variable speeds and temperature control. It lets you print using various materials. Its OLED LCD display shows temperature, speed, and material type.