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Instructions Watch this video, if you like to understand, how the watch is constructed. Make sure x- and y-axis of your printer are adjusted really square! My Ultimaker wasn't fabricated good enough (1-2mm slant) - the result were oval Minutes and Hours wheel, and they jammed at some angles. The effect is miraculous and the part can be removed immediately without applying any force. For removing the parts from the build plate I poured a few drops of the same alcohol mix into the groove between plastique and glass. Used a mix of alcohol and water to clean it. The design of the spring needs to be changed depending on the material. Other material basically work as well, but due to different stiffness, it's expected, that the watch runs too slow, or too fast. The Hairspring needs to be printed in PLA. Printing not only takes 30% longer, it oozes during the move, and when continuing to print, the nozzle is empty of material, and the resulting under-extrusion is disastrous. While this is a cool feature for regular shaped parts, it causes problems with large spiral shaped parts: The print-head does many useless long (2 meters!) travelling moves. The Mainspring is printed with PETG (PLA probably breaks after a while). In colours: black and yellow parts are PETG, orange and red parts are PLA. The infill of the anchor is 80% in order to have a better balanced center of gravity (rest has 30% infill).įor the case I used PETG (slightly bendable, shock absorbing), and the gears are printed with PLA (harder and less friction). All other parts are printed with normal resolution (0.1mm layer, 0.8mm shell). Hairspring, Anchor, Escapement Wheel, and some gears were printed with high resolution (0.06mm layer, 0.8mm shell). Only the Pawl Unlock Key needs to be printed with support. Print Settings Printer Brand: Ultimaker Printer: Ultimaker 2 Rafts: No Supports: No Resolution: Normal (cura defaults) Infill: 30% Notes: 0.4 mm Nozzle
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His first 3d-printed Tourbillon 1000% was also a source of inspiration for my work. The watch is designed with Autodesk Fusion 360, and printed with Ultimaker 2.Īutodesk Fusion 360 Design: (all parts assembled) (main spring relaxed) Many thanks to Nicholas Manousos for his great article in HODINKEE explaining the importance of my project from a watchmakers perspective. However it's still a very advanced project, because printing inaccuracies need to be trimmed manually with some watchmaker skills, or the watch won't tick. Compared with earlier generations of 3d-printers, the process works more reliable and more accurately. The project demonstrates that the 3D-printing technology is developing. Accuracy is roughly one Second deviation within one Minute (depending on print-settings). The mainspring inside the going barrel keeps the watch running for approximately 30 Minutes. This is a mechanical watch with tourbillon driven by a 3d-printed mainspring.