Rotunda
brainsmoke·rotunda·pcb/facet/rotunda.kicad_pcb
About the Rotunda PCB
Rotunda is an open source PCB design by brainsmoke, published on GitHub. It is a 2-layer board measuring 12.2 × 12.8 mm, with 11 components from 2 distinct parts.
By type, the board carries 6 diodes and 5 connectors.
From the project
charlieplexed PCB polyhedron

Rotunda bill of materials (BOM)
11 components, 2 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 5 | CONN_01X01 | pin | P1, P2, P3, P4, P5 |
| 6 | LED | LED_0805 | D1, D2, D3, D4, D5, D6 |
Rotunda design files
The KiCad project lives in the brainsmoke/rotunda repository on GitHub; these links point at the commit this page was built from.
Rotunda: common questions
How big is the Rotunda PCB?
The Rotunda measures 12.2 × 12.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Rotunda?
11 components, from 2 distinct parts. The full bill of materials is listed on this page.
Where can I download the Rotunda design files?
From the brainsmoke/rotunda repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Rotunda design in my own project?
The repository has no license, so all rights stay with brainsmoke. Use it as a reference, and ask the author before reusing the design.