2 layers162.2 × 134.6 mmSg1000barbeque/sg1000A homebrew Sega SG-1000, with an eye towards SC-3000 compatibility89 parts33
2 layers72 × 50.8 mmBasic3barbeque/sg1000A homebrew Sega SG-1000, with an eye towards SC-3000 compatibility10 parts33
2 layers72 × 81.5 mmMark iii romcartbarbeque/sg1000A homebrew Sega SG-1000, with an eye towards SC-3000 compatibility9 parts33
2 layers72 × 62.8 mmRomcartbarbeque/sg1000A homebrew Sega SG-1000, with an eye towards SC-3000 compatibility7 parts33