Commercial license: you can print and sell this model,available in 3 sizes adult size, kid size and pet size,make sure it fits your head size if not measure and scale the model before printing,The model can be printed in multi-colour (3 colours) by changing filament/resin as the text is extruded a bit more than band,You can also print it in one go / each letter with each colour.The design is very comfortable and safe,no sharp edges on head and sidesno supports neededironing onextensions- post processing - add a script- filament change- choose desired layer heightmonotonic ironing -onBed adhesion use tabs for easy tearing.