This marker will change the way you work with sheet metal

Summary by Krater

The creator adds a pen plotter attachment to a DIY CNC plasma cutter so it can draw bend lines before cutting sheet metal, solving the problem of accurate manual bend placement. The video covers designing, 3D printing, wiring, and testing the pen-and-plasma mechanism.

From the video

Answers: How do I add a pen plotter to a CNC plasma cutter?

• CNC plasma cutter modifications
• Adding a pen plotter to a plasma table
• Sheet metal bending alignment
• Pneumatic cylinder torch/pen actuation
• G-code workflow for plasma cutting and drawing

What it concludes

• Adding a pen plotter to a CNC plasma cutter makes it easy to draw bend lines and cut parts in perfect alignment without manual measuring.
• Using pneumatic cylinders with two opposing preloaded springs overcomes friction to precisely locate the pen without stalling.
• Pneumatically controlled pen actuation and drawing is much easier to deal with than active electronics on the cutter head.