Why did Cura change my thread size?
Posted: December 25th, 2018, 10:32 am
I am a newbie to Cura and 3d printing in general. I modeled a 16mm x 2mm pitch metric threaded nut and bolt in Fusion 360. The STL file exported from Fusion looks good. The image inside Cura looks good. However, the printer parts are 16mm threaded bolt and a nut with the same size as the bolt head, but the thread is 6mm x 2mm pitch. The size of the threaded hole in the nut is so much smaller than the bolt that you have to laugh when you see the two parts together. I examined the files with a gcode visualizer and an STL file visualizer. Clearly the STL file looks right and the gcode file is wrong. Note that even inside Cura, the image looks right. My question is how could that happen, and how can I fix it? I'm using Cura 3.6.0. Many thanks for any insight on this issue.