Suggestion: add recipes to cast/sinter more items, such as:
Distilleries from glass, iron, and copper
Burner assembling machines from iron
Steam powered assembling machines from iron
Steel bearing balls from steel
Cobalt steel bearing balls from cobalt steel
Titanium bearing balls from titanium
Nitinol bearing balls from nitinol
Steel bearings from steel
Cobalt steel bearings from cobalt steel
Flasks from glass
Automation science packs from iron and copper
Pistols from copper and iron
Submachine guns from iron and copper
Flamethrowers from iron, copper, and steel
Firearm magazines from iron
Piercing rounds magazines from iron, copper, and steel
Shotgun shells from copper and iron
Piercing shotgun shells from copper, iron, and steel
Gun turrets from copper and iron
Flamethrower turrets from iron, copper, and steel
Filter frames from iron and steel
Metal catalyst carriers from iron
Pumps from steel, iron, and copper
Empty barrels from steel
Small inline storage tanks from iron
Small storage tanks from iron
Storage tanks from iron and steel
Storage tanks all corners from iron and steel
Storage tanks 2 from invar, iron, and steel
Storage tanks 2 all corners from invar, iron, and steel
The timborers saw blades from iron
Iron sticks from iron
Engine units from iron and steel
Gloves from steel
Steam engines from iron
Steam engines 2 from steel and iron
Heat pipes from copper and steel
Heat pipes 2 from aluminum and silver
Iron chests from iron
Steel chests from steel
Brass chests from brass
Titanium chests from titanium
Big chests from iron
Roboport hatch doors 1 from iron and steel
Roboport hatch doors 2 from brass, steel, and invar
Cars from iron and steel
Cargo wagons from iron and steel
Cargo wagons MK2 from steel, invar, and iron
Armored cargo wagons from titanium, iron, and steel
Fluid wagons from iron and steel
Fluid wagons MK2 from steel, invar, and iron
Armored fluid wagons from titanium, iron, and steel
Light armor from iron
Heavy armor from copper and steel
Invar cobalt-steel armor from invar and cobalt steel
Basic transport belts from iron
Burner inserters from iron
Transport belts from iron and tin
Module contacts from copper and gold
Gun turrets MK2 from steel, iron, and copper
Bullet projectiles from copper and lead
Bullet casings from gunmetal
Magazines from steel
Shotgun pellets from lead
Shotgun shell casings from gunmetal
Rocket engines from tungsten
Peztilence spreaders from iron, copper, and steel
Peztilence spreader turrets from steel, iron, and copper