Temperature/Retraction Calibration Tower

I've seen various temperature towers on here and some of the models have errors or arnt sized correctly.

So I thought i'd design my own inspired by 3d maker noobs version.

To get this working in Cura:

1. Import all 5 models
2. Centre the base model at X0, Y0, Z0
3. Take the next model (labeled _2) and move it to X0, Y0, Z12
- The next goes to Z22
- The next Z32
- The final at Z42
(this is assuming you've gone for 0.2mm layer height)


Unfortunately you cannot use th