Summary

I printed the model, but with a test-tube as the main model to break it out.
You need a slicer for the model that generates a tree support. I used Bambu Studio.
Here I had to construct something on the ground so that the part of the test-tube stays in the air.
The test-tubes size is 160 x Ø 18mm

The flower is from printables - model/131746

Here is the link to the test tubes from Amazon:
https://www.amazon.de/dp/B07FMRJ3CR?ref=ppx_yo2ov_dt_b_product_details&th=1

Print Settings

Printer:

Babulab

Rafts:

No

Supports:

Yes

Resolution:

0.200

Infill:

10%

Filament: Bambulab PLA Metal Green

Notes:

You need tree support!!!