Bosch GCM8SJL circular saw dust extraction 60mm hose adapter

This is my second derivative work from Rupert's original already - and, although there is not much left of his original design I want to give credit where it is due.

If you really want to max out the throughput and cleaning power of the dual-duct sawdust intake on the GCM8-SJL I recommend to combine it with [this high-quality 60mm sawdust hose](https://www.amazon.de/gp/product/B002R6D8OK).

Compared to the original design I changed the tube angle to 58° and the sideways angle to 45° down.