Хабр Курсы для всех
РЕКЛАМА
Практикум, Хекслет, SkyPro, авторские курсы — собрали всех и попросили скидки. Осталось выбрать!

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2. A mounting area built into the back of the pen, allowing any hardcore maker to connect their 3Doodler to a CNC arm, a Lego Mindstorm or anything else your imagination can come up with — effectively adding to the 3Doodler's 3D printing capabilities.
3. A three-pin control port for the speed buttons, which can be used to control extrusion without actually touching the 3Doodler. We'll be providing guidance on how to use this in due course.

3Doodler спешит к вам! (Бонус: обзор клонов)