Spool Cover - strong version

This is a more robust version of the original model. I thought I'd draw it following some suggestions/requests. I increased the thickness of the walls by 0.40mm and to limit the increase in weight I shortened the fillet by half a turn. However, the cover weighs a little more (there are about 50g of extra material), so choose the one that is most suitable for you.I also wanted to warn you that the greater rigidity, together with any printing imperfections, could cause greater friction between the