Generic cable bots, cable-driven parallel 3D printer CDPP https://www.researchgate.net SkyDelta https://designmakeshare.wordpress.com/2013/09/16/introducing-skydelta https://hackaday.io/project/26938-arcus-3d-c1-cable-3d-printer https://hackaday.io/project/166527-cable-robot https://www.youtube.com/watch?v=MSONYPXe3bE https://www.youtube.com/watch?v=0mvw4mV-iIM Arcus https://hackaday.io/project/26938-arcus-3d-c1-cable-3d-printer Delta-T: Tensegrity 3D Printer https://www.crealitycloud.com/model-detail/62368ff976c115cc0aa0b48f RigTig's Big 3D Printer https://hackaday.io/project/13420-rigtigs-big-3d-printer CableEndy https://www.youtube.com/watch?v=sytyQvUXN8Q&feature=youtu.be