This is a brief blog post to get an idea into the public domain to prevent its being patented. I’ll probably work up more detail later. Plastic extrusions are widespread: guttering, pipes, curtain rails and so on are all examples.
The Simblee RFD77402 distance sensor (thanks to Victoria Stamps on Twitter for bringing it to my attention) is not very big and not very expensive (about $6). It is the little black chip on the green carrier: It is an
The other day Richard Horne (a.k.a. RichRap) tweeted “It would be nice if you could chemically soften [3D print material] after printing.” This is a really clever idea – you could make a two-material print with two hard materials that stayed