3d一定要学吗？他与su什么关系？

我建筑学大三了，到现在还没学过3d，
因为比较抠门从没出去学过，cad ps su 都是自学的。

3d自学有点费事，还听说工作以后3d基本不用了？但我的同学大部分都学了，

我倒是很担心不会3d会不会影响以后的工作？还有啊3d命令多，

我好多同学学完了回来都忘了。有没有好的学习方法？

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不会3d会不会影响以后的工作