2 layers16.7 × 14.4 mmSolderingChallengeElectronicCats/SolderingChallengeThe classic Soldering challenge28 parts2MIT
2 layers119 × 39 mmSolderingChallengeRoboticsBrno/RB0011-SolderingChallenge🛠️ Soldering Challenge40 parts1MIT
2 layers75.8 × 50.6 mmSolderingChallengeRoboticsBrno/RB0011-SolderingChallenge🛠️ Soldering Challenge27 parts1MIT