The main problems with them right now, IMHO, is that the creasing is not very good, and it's easy to make a very large model that uses a ton of RAM. Most of the time they use their own mesher for speed, so they can look slightly different, but if that bothers you, you can convert to NURBS. T-splines can convert to poly surfaces / NURBS at any time, so they're pretty compatible. Sometimes the NURBS conversion that you get out of T-splines is heavy and hard to work with, especially if you have a lot of star points. On the other hand, if you're making simple models, trying to do tightly dimensioned models, or need degrees other than 3, then they might not be worth it. For instance, Zaha Hadid has used T-splines for Rhino on several projects. They're very similar to subdivision surfaces, so if that is the type of shape you're after then it's a good tool. In my opinion, there are times that T-splines are worth the extra complication, and times that they are not.įor example, if you're trying to model really smooth organic surfaces, they are much simpler than NURBS with fillets to get really nice results. If you want better advice, I'd suggest asking on the rhino web newsgroup. Please take my advice with a grain of salt, I'm a developer (of T-splines) and not an architect. You can follow the model’s progress by selecting the differents layers in the file. The best way to read this tutorial about how to model a earring using T-Splines is by looking at the 3D model at the same time. I might be a bit biased, but I think T-splines work pretty well with Rhino. T-Splines and Rhino 4 offer an easy way to create smooth, gap-free freeform models for jewelry design.
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