Generally, Public Lab builds and 3d print plans are worth your time. Everything they list is well-considered and well-maintained. When the stodgy old magazine T

Generally, Public Lab builds and 3d print plans are worth your time. Everything they list is well-considered and well-maintained. When the stodgy old magazine The Economist wrote a "Punk Science" article about DIY science, they actually got them include a cut-out page to build a spectrometer :) https://publiclab.org/wiki/economist https://publiclab.org/wiki/economist