While setting up to print the Temperature calibration tower, I generated the internal CP temp tower and got this error:
Really?
I think I’m going to go back to V6.
CP 7.0.0.4127
That’s a well known bug in the original Orca script. Simply click repair and it will make the error go away. This does not affect the model.
For those curious, the reason why this come up is because in the original Python script that generates the temp tower, what it does is take and oversized model, calculate the layers and then cut the model to the top temp. So let’s say you have temp tower with these parameters.
What you get is a 9 layer cake of temps.
If you slice it without correcting the open manifold, it does not affect the model.
The full model can be found in the resource folder in the app itself.
If you tried to import the root STL, it’s actually 370mm tall, too tall for even the K2 Plus.
An illustration of how that can be used to punk a friend
So for those mischievous folks who might want to punk a colleague. Here’s a trick which will show you how the temp tower actually works by simply replacing the Temperature_tower.stl with another model.
- Rename the old model to .STL_OLD
- Copy any model of your choosing to the resources directory and rename it Temperature_tower.stl
Now when they run the calibration, this is what they will see and likely say “WTF???”
Yes, I know, very immature but hey, if you can’t have fun with your friends, who can you have fun with? 
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