The scannerset you suggest, are OK as a beginnes set, but will require som tuning to perfom optimal.
The laser module is OK for the money you put into it, but i guess you will be disapointed. The red will be 4-6 times the size of the green beam and 2-3 times as wide as the blue. This is more and more visible as the throwdistance increases.
That said, for abstracts, the "analogo" modulation of this module will be really enoying, as it does not modulate in a "normal" manner. It makes more or less raster pattern instead of increase/decrease in intensity. I hva a 400mw and a 1000mw of theese, and only use them for beams.
You are far better off saving up som more, and then get som single mode modules with proper modulation. I guess some members here are willing to build som modules for you if you ask, or if you want to really DIY, look at DTR, and his RGB soingle mode RGB-bundle. Tighter beams increases throw distance.
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More projects than time available.
More projects started than finished.
More money spent than earned.
More failure than success.
Just got to love lasers!