i hadnt made one of these before and had a largish sheet of 4mm o1 big enough for two profiles so thought id give it a go. a work in progress so will update as i go
profiles ground and drilled ready for heat treat, the holes arnt random, they are for various jigs and gimbles as well as fixings

heating to and holding at 815c for 25 minuted before quenching in pre heated rapeseed oil

first tempering cycle at 200c

profiles ground and drilled ready for heat treat, the holes arnt random, they are for various jigs and gimbles as well as fixings

heating to and holding at 815c for 25 minuted before quenching in pre heated rapeseed oil

first tempering cycle at 200c
