We've had a Singer 45K cylinder arm sewing machine in the workshop for at least 5 years now. This is a powerful machine capable of sewing at least 9mm of leather together. Unfortunately cylinder arm machines are not really designed for the type of sewing we do, fantastic for hats, but awkward for flat panels like body armours and vambraces.
So after 3 years of winters saying we must sort a flatbed conversion we've finally done it. It's a Heath Robinson affair using blocks of wood and sash clamps but we need to be able to remove it for the hats.
Now all we have to do is design all the things we're going to sew on it and maybe get a taller chair.