Whether you’re using Blender to render models for 3D printing, or you’re learning it as a new skill for something fun to do, ...
You can make those with Blender easily. Using Blender to design a small object to send to a 3D printer is like using a bulldozer to build a sand castle. You can do it, but it’s overkill.
So [meisterodin1981] decided to build a do-it-yourself version for use with Blender. You can check it ... A printed pair of plates holds a 3D printer bed spring to provide the device’s Z-axis ...