Use some A4 paper sheet to adjust nozzle to bed plate gap of your 3d printer. You can lie A4 paper on top of bed and adjust the bed height in order to...

In addition to this make sure to keep your printing speed to low value & higher temperature for rated TPU. As I remember TPU need to print with mu...

I'm afraid you don't have option to add 3d print fit/clearance with Cura. Cura is basic 3d print slicing software. Either you need to modify model bef...

Have you tried printing directly on top of the build plate? may be Skirt or Brim build plate adhesion setting.

It's seems still you haven't fully define the machine, platform setting. Anyhow go to Build Preparation and click Machine Properties in pop up windo...