... the same prototypes! Almost all Off The Rails products are 3D-printed in Shapeways' FUD material that is an acrylic which is not affected by solvents like Butanone, MEK or Mek-Pak. I use a runny "superglue" dispensed in tiny amounts from a syringe through a 0.3mm i.d. needle to assemble these products; the miniscule amounts of glue sometimes allows for the joint to be broken if adjustments are required. Otherwise the FUD chair breaks and either needs repair or replacement. A picture to whet your appetites: 100_181516_560000000.jpg...before I sort out the announcement of over 50 new switch chairs to the REA A, B C and D designs. The A switch is available now; the others are awaiting test prints, test builds and (hopefully not too many) changes before being made available. And then there will be instructions to write... After which we'll start on the full range of acute crossings, obtuse crossings, diamonds and slips (the M1 chair required for the latter is available now). Dave R Last edited ...