Backpack book cover

This is a simple book cover for transporting your books safely on a backpack. Dimensions:Internal: 30.805mm x 235.587mm x 174mmExternal: 34.037mm x 238.795mm x 175.6mmWalls: 1.616mmWeight: 126gScaling and fit:When scaling for smaller books keep an eye on the walls thickness, they can become to narrow.For this reason I added the dwg files, so you can scale it as you wish. My python book fits just right, it has 30mm x 234.5mm x 173.5mm. When choosing dimensions I simply add 0.3mm to the book dimensions for each side of the piece. 0.6mm for each axis. Using out/inn to keep accuracy.If using PETG use brim. This is a work in progress, it can be lighter by using smaller hexagons in a broader area. I used this sizes bcs I'm optimizing for structural integrity. Boost MeLeave a boost if this helped you!