The model is used for testing the quality of printing of your Form 1+ if you can print all the 11 parts of this model without any problem your Form 1+ is perfectly calibrated.
See all the things tested in this model in the instructions.
Please note: The model have been developed using Formlabs Design Guide for Formlabs Clear resin and printing at 100 microns.
If you want to print from the .stl file generate internal support and add them manually on the circle.
This model tests :
The minimum supported wall thickness
The minimum unsupported wall thickness
The maximum unsupported overhang lenth
The minimum unsupported overhang angle
The maximum horizontal support span/bridge
The minimum vertical-wire diameter
The minimum embossed detail
The minimum engraved detail
The minimum clearance
The minimum hole diameter
The minimum drain hole diameter