6 layers58.6 × 38 mm
Rosenberger 32K242-40ML5 testboard v2
toammann/Multilayer_SMA2Microstrip
Development of an SMA coaxial to microstrip transition using open source software (openEMS)
2 parts55CC0-1.0
Fdtd
5 boardsKiCad boards from 3 GitHub repositories tagged “fdtd”, the most starred first; open any of them in PCBKit.
- 4 layers40 × 30 mm
Demo
Jerome-Graves/kicad_fdtd
GPU FDTD field solver for KiCad boards: exact copper in, S-parameters, impedance and field views out (Python, CuPy)
6 parts1MIT - 6 layers160 × 100 mm
Courant.before colored actual models 20260918T190457
KrasForge/Courant
A 2D finite-difference physical-modeling synthesis engine in structural VHDL: a vibrating membrane/plate/gong solved on FPGA fabric, with a nonlinear chaos term, playable polyphonically over MIDI/CV.
199 partsMIT - 2 layers20 × 12 mm
Microstrip
Jerome-Graves/kicad_fdtd
GPU FDTD field solver for KiCad boards: exact copper in, S-parameters, impedance and field views out (Python, CuPy)
4 parts1MIT - 4 layers180.5 × 108 mm
Radian panel.before colored actual models 20260918T190457
KrasForge/Courant
A 2D finite-difference physical-modeling synthesis engine in structural VHDL: a vibrating membrane/plate/gong solved on FPGA fabric, with a nonlinear chaos term, playable polyphonically over MIDI/CV.
69 partsMIT