Hinges for acrylic door

thingiverse

Here are some design improvements I suggest you try: You should utilize Cura to dissect the STL into its separate components, and then fabricate each one separately with your Ultimaker 2. Please be aware: The resulting prints may not turn out as strong or durable. This procedure will take significantly more time overall because you're dealing with numerous tiny parts. Your best bet would probably be printing it as a whole thing in one session with minimal layer adjustments