PCB Origami: Triangle

Notes: a new version will be shipped. This has four WS2812B-2020 LEDs. The new version is compatible with the previous one and has the exactly same size.

After making the Origami DiscoBall, I am thinking about the pain points of the whole process and how to make it easier for everyone. So here is the triangle. Ten triangles in one order!

The triangle is equilateral. It is designed to connect with other origami modules easily. It uses three WS2812B-2020 RGB LEDs. It has one input side and two output sides. The connecting rule is simple, from input side to output side.

The triangle is pre-assembled. The edges of PCB are trimmed and smooth. The three LEDs are soldered and tested. So you don't have to do these tedious and laborious work at all.

You can arrange it in whatever shape you want, either in 2D or 3D. You could make a letter, a number, a circle or other unique shapes. You could make a tetrahedron, a octahedron or DiscoBall. Just connected them by soldering.

The rounded corner of the triangle is designed to make final adjustment easy. It is helpful with 3D assembly in particular. You could use tweezer and other handy tools to fine-tune the final shape.

I have written some detailed instructions about its assembly on Hackaday Modular PCB Origami. Check it out.

What's in the package?

• Ten Triangles with preassembled LEDs
• Ten axial resistors (use the wires of these resistors)

Specification:

• PCB: 2-layer FR4
• Finish: no lead HASL
• Size: 22.65 x 20.04 mm (WxH)
• Solder mask: Black

What makes it special?

This triangle has a unique design that makes its assembly free of 3D-printed frames or jigs. Solder hardwires from resistors to connect a pair of PCB and fold it into the shape you want.