This commit will add parsing of optional nozzle diameter metadata for: - PrusaSlicer and it's derivatives - Simplify3D - Cura - IdeaMaker For Cura and IdeaMaker it is necessary to add a custom start g-code comment. Cura: ;Nozzle diameter = {machine_nozzle_size} IdeaMaker: ;Nozzle diameter = {machine_nozzle_diameter1} Signed-off-by: Dominik Willner <th33xitus@gmail.com>