You can now just basically buy this! https://www.lesswrong.com/posts/ZAMA4y6SbtFCTjjY4/a-new-option-for-building-lumenators
You can now just basically buy this! https://www.lesswrong.com/posts/ZAMA4y6SbtFCTjjY4/a-new-option-for-building-lumenators