You can also specify your own trapezoid parameters. For ACME threads see acme_threaded_rod(). d1 Bottom outside diameter of threads. d2 Top outside diameter of threads. blunt_start If true apply ...

today announced that its United States Patent No. 11,957,420, entitled "Augmented Reality Display for Spinal Rod Placement Related Applications" was honored at the 2024 Boston Invented Here!

The table is not all wood, of course; metal bushings and pins are used in the scissor mechanism, and the lift drive is a stout Acme-thread screw and nut. We’re impressed by [Marius]’ joinery ...