Traditional plexi scrapers warp when scraping. This design has ribbing to keep it flat while scraping.
(optional) For the ultimate in stiffness and flatness, you can snap in an aluminum angle. Size: 0.75" x 0.75" x 1/8" thick x 6" long.
e.g. Amazon ASIN: B07KX8R8Z3
[https://www.amazon.com/Aluminum-Angle-Length-T6511-Stock/dp/B07KX8R8Z3](https://www.amazon.com/Aluminum-Angle-Length-T6511-Stock/dp/B07KX8R8Z3)

There are 2.0 mm edge scrapers on each side that allow scraping of one of the edges at the same time as scraping the base.

Printing - recommend 20% infill, 3 wall loops, 4 top shell layers.

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