My printer is a USB one. If yours is USB or another type, just install it on windows by opening windows and putting the installation disc in.
Check here
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Here's my completed Thomas helmet. (Not using Pepakura)
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Thanks! I'm a kid though. Actually, The helmet is like, well, if your older like 18 or above, would be small. Once I vacuum form the helmet, I'd use the thickest plastic so I can vacuum form that and so on and son until it's the right size.