1. Based on UNO R3 and open source code GRBL, three stepper motors, integrated expansion board (simple plug-in, no soldering required).
2. The latest improved mechanical structure, rack, dovetail groove, Z-axis with lifting, pen holder with rotation lock.
3. Provide source code, circuit diagram, STL file, G code to generate video.

Part List:

Goods will be sent strictly according to the list below.Goods will be sent strictly according to the list below. You need to assemble it yourself, the fun is in it. I wish you a happy day!

Open Source

You have to know that your money is not buying a product, but a whole set of implementation plans, it must be worth it!
Arduino source code, 3D printing STL file, expansion board circuit schematic diagram

Size:

Dimensions are estimates, there may be a slight error, and are for reference only.

Some Details：

Reference Picture：