![]() But for the most part that’s not the primary purpose of a high end design tool like Inventor. Of course if you want pretty renderings, modeled threads look nice. The only real need I can think of for modeled screw threads is if you’re 3D printing a part as was pointed out. Most designs are using off-the-shelf fasteners or using taps and dies to produce the threads. They have no need for screw threads being a part of the CAD geometry. Even if you’re actually cutting screw threads, lathes and CNC machining centers have built in methods for creating the threads. I think Inventor went so long without adding “proper” screw threads because most of the time they’re simply just not needed. Proper design and drafting techniques require simplified thread drawing techniques like the ones that Inventor supplies.
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