Modeled this matrix in SketchUp for finding the right setup and settings on my B9Creator, DLP 3D printer, when I mix resins or add colours, calibrate projector, etc. It's very small, fast 4-5 minute print, and has alot of features that help me choose the right exposure times, etc.
I didn't have much room for text so I coded the hints as compact as I could, to help remember the features.

Here's what they mean:

Cylinders: Diameters 1mm - 0.1mm

Tubes: Hole diameter. 1mm - 0.1mm (there are 2 rows with different wall thickness)

Cylinders large: H=height increments of 0.1mm starting at 3mm; >diamenter< by increments of 0.1mm

Cubes: H=height by increments of 0.05mm; < distance between > by increments of 0.1mm; >width< by increments of 0.1mm

Walls: from 1mm to 0.05mm thick, by increments of 0.05mm

Comb: wall thickness and space between from 1mm and thinner by increments of 0.1mm; Angles by increments of 5°

So depending on material used, pigmentation and what dimensions are more critical in what I need to print, I print this matrix first and look at external or internal dimensions to gage the right parameters. For example, if I need to achieve thin walls I look at the Walls
section and see what is the thinnest wall that printed well; if I need to achieve thin channels I look at distance between features or the Comb, what is the shortest distance between features that came out clean without cured resin; If I'm not sure how thick to slice (the B9C printer Z mechanism has 6.35 micron steps) to match the exact height in the model if it's critical....etc, and adjust printing parameters accordingly, I print another matrix to make sure and when I have it right I print my object.
Voilà, have more fun!