Preenfm3
Ixox·preenfm3·hardware/3DCasePCB/topsurface/pfm3_topsurface.kicad_pcb
About the Preenfm3 PCB
Preenfm3 is an open source PCB design by Ixox, published on GitHub. It is a 2-layer board measuring 208 × 95.7 mm, with 6 components from 3 distinct parts.
It belongs with the audio designs in this gallery.
From the project
Official repo of the preenfm3 FM synth
This enclosure for the preenfm3 is made from 2 3D printed pieces plus a PCB for the top surface.
The following is required to mount the enclosure. You can use M2.5 or M3. 2 x 15mm M/F for the lower front spacers 2 x 20mm M/F for the lower rear spacers 4 14mm M/M sapcers for the up spacers (between main PCB and top surface) 5 6mm M/F for the spacers between control board and main PCB

Preenfm3 bill of materials (BOM)
6 components, 3 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TFT / SD | TFT_Ili_9341_TS | J13 |
| 1 | pfm3ControlBoard | ControlBoard_To_TS | CB1 |
| 4 | MountingHole | FMHole3.5mm | H1, H2, H3, H4 |
Preenfm3 design files
The KiCad project lives in the Ixox/preenfm3 repository on GitHub; these links point at the commit this page was built from.
Preenfm3: common questions
How big is the Preenfm3 PCB?
The Preenfm3 measures 208 × 95.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Preenfm3?
6 components, from 3 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Preenfm3 design files?
From the Ixox/preenfm3 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Preenfm3 design in my own project?
The repository has no license, so all rights stay with Ixox. Use it as a reference, and ask the author before reusing the design.
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