Have you ever wanted to Mirror DynamoBIM Geometry and Not Keep Original? It is sometimes annoying to have to mirror DynamoBIM geometry and "hide" the original? Follow the image below on how to only create the mirrored DynamoBIM Geometry! Its simple. The trick is using design script and a strategically placed "." So what is really happening here? Well.... since design script is based on a C programming language you are able to perform multiple operations on an object by using the "." Is it still confusing? Perhaps it is if you are not familiar with object based programming but think about it this way... it works in design script and thus in dynamo and that is good enough for me. Just experiment and you will find out it will work with other operations other than mirror, such as scale and explode.... ...here is another little secret...... you could add another "." after the last command and make another geometry operation such as mirror (again) or scale... try it out for yourself and tell a friend!