I created a new model and I used solid and surface options for this model. But I cant use thicken options in this surface of the model in some part
Model link is
Please give me some solutions
You can try thicken outside the surface,It may work.
You must have created some geometry which doesn't allow to thicken, try changing the thickness or check thicken feature after creating each surface. this will help you.
very difficult to solve the problems with surfacing. you can go to IDD and check gaps.
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