2 layers30 × 30 mmHalf adderAqueronteBlog/PCB_CADExamples/Libraries of PCB made for Altium and KidCAD13 parts1
2 layers33.9 × 12.3 mmTrack tuning tool exampleAqueronteBlog/PCB_CADExamples/Libraries of PCB made for Altium and KidCAD5 parts1