Complete the sentence to explain when supports are needed in 3D printing.
Supports are needed when the model has [1] that cannot be printed in mid-air.
Supports are required to hold up overhangs, which are parts of the model that extend outward without anything underneath.
Complete the sentence to describe the angle at which supports become necessary.
Supports are usually needed when overhangs exceed an angle of [1] degrees from the vertical.
Most 3D printers require supports for overhangs steeper than 45 degrees to prevent sagging.
Fix the error in the sentence about support placement.
Supports should be placed under [1] parts of the model to prevent sagging during printing.Supports are placed under overhanging parts to prevent sagging or collapse during printing.
Fill both blanks to complete the rule about support removal.
Supports should be designed to be [1] and placed only where [2] to minimize cleanup.
Supports must be easy to remove and only placed where necessary to avoid extra work after printing.
Fill all three blanks to complete the explanation about support material types and placement.
Some printers use [1] support material that is [2], allowing supports to be [3] easily after printing.
Many printers use plastic support material that is dissolvable, so supports can be removed easily by soaking in water or another solution.