ANSWERS
There are numerous questions placed throughout the book as extension activities for readers. Here are answer to some of them. It is important to note than many questions have multiple correct answers, though some may be more efficient than others. It is best to design and print a few and then test them out.
LAB 1
Is the printed object lighter or heavier than you expected? Why do you think it is so?
Objects that are 3D-printed are lighter or heavier than most people expect based on the infill. The infill is the amount of material filled in between faces/walls of the object. Most 3D printers will let you adjust this from none/minimal infill to completely solid. Since solid objects (with 100% infill) have more infill, they are heavier. ...
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