A very strong 4cm shelf bracket

Having looked for a long time to find a good model for a small but extremely strong shelf bracket, as a mechanical engineer, I created one myself. This 4cm shelf bracket can be printed on its side (with simple tree supports) in any material and retain a significant level of strength when put in any orientation. I've printed it in PC, PETG and a PC/PETG alloy, and all can support very large amounts of weight without deforming. When printing with PC or similar, be sure to use brim, and heat the chamber to at least 50C beforehand. Print with minimum 20% infill triangular infill, up to as high as 75% if you need to hold extremely heavy things. Hope you like the model, and if you do - please boost the modelBoost MePlease boost the model if you like it.