Talk with Ivan hanks about the limitations of 3D printers

today we had a talk with Ivan hanks and he had said that some of the limitations are that with the basic printers.

You can only use plastic however the more advanced printers can use more materials and print colours.

At the moment you can only print in one material at a time.

 a point that is worth mentioning is that the way how it prints makes it difficult to print hollow objects because it can only print vertically.

you have to have the file in a specific format. and the time it takes is another limitation for example if the object is hollow it may take 3 hours but if an object of the same size may take 1 day if it is solid

some times the measurements are slightly off which means that the object may naturally start to fall over time  if the object was made without a "raft"which is a comb shaped plastic the is just used for protection for the "bed".

 to help prevent it from falling they are made on stilts to be able to allow it to balance and they are thin so they can be snapped of to create the object with balance

it will damage the printer and sometimes the settings are off so 2 "raft's" will be needed to create the object
the printer can only print to a certain size depending on the printer