Harddisk drive bracket/free stand for external operation

Ever tried to have several HDDs run without mounting them to a case or several cases? With this HDD stand it is quite easy.
Just screw it to the drive using standard screws, align the stands and stack'em into each other. No more drives moving on top of each other, finally stable mount.
You might want to print four feet for the bottom drive.

I created this stand with fast printing and save of material in mind.