Threads, Meta’s answer to Twitter/X, is still going strong with 320 million monthly users despite stiff competition from rival Bluesky. But what is Threads and how do you use it? Here’s what you need ...

a thread angle of 30 degrees and a depth set to half the pitch. You can also specify your own trapezoid parameters. For ACME threads see acme_threaded_rod(). d1 Bottom outside diameter of threads. d2 ...