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to them in the forums if you need help. The amazing thing about the 3D printing
hobby is how friendly and helpful the community is with novices; we all want this
hobby to grow and prosper, and that means lending a hand to those who have ques-
tions.
So, without further ado, let me print something for you.
Downloading an STL
Before I can print anything with my 3D printer, I need to decide on what I'd like to
print. I have designed a number of objects with Tinkercad (see Chapter 7 , Creat-
ing a 3D Model with Tinkercad ,” for a walkthrough of a 3D object being created
from scratch), and I can certainly choose one of them for my first print job on the
Simple. Lots of 3D printer owners choose to print what are called “calibration” ob-
jects—they allow users to print out an object and compare the accuracy of angles
and widths and lengths to the actual 3D model to determine if the printer is work-
ing properly. But I want to jump right in and print something of mine. If I discover
my printer needs some calibration, I'll do that a bit later. Right now, however, I
just want to print something fun.
Note
Printrbot's “Simple Getting Started Guide” recommends a specific 3D
model from Thingiverse called the 5mm Calibration Cube with Steps;
you can view (and download) that model by visiting the following link:
http://www.thingiverse.com/thing:24238 . If you don't have the STL
file for a 3D object to print, grab this one and perform the same steps I
do in this chapter for my medallion object.
Figure 5.1 shows the Hello World file that I created in Tinkercad (see Chapter 7 )
and saved to my computer.
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