Pict. 29 - A sphere printed in two seperate parts glued together
10.3.5 Tolerances
When you design multiple parts that are supposed to fit into each other, you have to add
a small tolerance (a gap). For example, if you want a cylinder to fit inside a circular hole, the
cylinder’s diameter needs to be at least 0,1 mm smaller. The good thing about 3D printing is
that you can quickly iterate and try which tolerance works best for your application.
Tolerance
Fit
0,1 mm
Very tight
0,15 mm
Tight
0,20 mm
Loose
11 Slicing
When you download 3D models from the internet or create your own models, you will need
to convert the 3D model (.stl, .obj.) into a set of instructions for the printer called
G-code.
G-code is a file format readable by 3D printers. The file contains information such as nozzle
movement, the amount of filament to extrude, temperature settings or fan speeds.
There are dozens of slicers available, each with their own advantages and disadvantages.
The three most commonly used slicers among the prusa printer owners are:
● PrusaSlicer (recommended)
● Cura
● Simplify3D
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