大概不需要拔模角度的最经常用到的理由就是我们需要让这个表面和其它产品配合。
Probably the most common reason not to draft a surface is to make it fit with other parts of a finished product.
硅模具有能力再创造更重要的细节，因为硅、拔模角度、嵌入插件和咬边对柔韧性的要求不如其他模具过程那么高。
Silicone molds are capable of reproducing remarkable detail, and because of the flexibility of silicone, draft angles, inserts, and undercuts are not as critical as in other molding processes.
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