- Geonworks Frog. Used PCB: waffling80 MX north rev A1 (can bottom out with flex cut and soft half-plate)
- Geonworks Frog. Used PCB: waffling80 NMB rev A2. Insulating material/tape is recommended in the bottom of the case at the bottom row. SI builds is a bit higher/deeper than a MX-build, so with flex, the PCB can touch the bottom of the case.
- Geonworks F1. Used PCB: waffling80 MX north rev A1
- Monokei KFE CE. Used PCB: waffling80 MX north rev A1
- Lin Montage. Used PCB: waffling80 MX north rev A2
- Bias R2. Used PCB: waffling80 MX north rev B1
- Merisi Ottantaquattro. Used PCB: waffling80 NMB rev B1 + proto plate