Do you need a brim?

First let's explain what is a brim when it comes to 3D Printing. A brim is a a number of additional bands printed around the base of an object to help it adhere to the bed better. Items which have a very small footprint, but are quite tall can lose balance and fall over when printing, thereby making the print failure and turn into the dreaded spaghetti monster. I have never experienced that.

The Brim gives additional support and allows it to stick to the bed better.

However you also have to consider how the print bed moves. On printers with movable beds, like the Prusa, the bed moves back and forth on the Y-axis. This can put a lot of stress on the foothold as the weight of the printed object is only applied to the smallest width of the item sitting on the bed.

But there is a very simple way around this limitation. Turn it through 90°. By applying this turn to the model you are now increasing the force holding it to the bed to the length of the object, instead of the width. This decreases the force of movement when the bed moves and allows it to adhere better.

Now this is not always the case. Objects which have a round footprint will obviously have no effect and a brim is a necessity in that instance. However in this particular model the instructions said that you need to have a brim. In this case, it's just not necessary. True the default placing of the object when loaded is not optimal. But as I have already proved, you need to think how things are positioned to be able to get a good result. And here you go. The proof it can be printed with no brim, just the default skirt.