Fish tank scrapper - credit card format
thingiverse
I crafted this scratcher specifically to fit snugly onto an old credit card, which I firmly believe makes quick work of removing algae from aquarium glass. Keep in mind that the project is still in its testing phase, so you're taking full responsibility by proceeding with caution. The scrapper-holder design allows for easy customization - simply print multiple units and assemble them to create a longer holder as needed. A revised version of the scrapper-base, labeled v2.stl, has been created to accommodate a wider credit card. Please ensure that you use an old, valid credit card when utilizing this scratcher.
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