Further Explorations - 3D Printing: Build your Own 3D Printer and Print your own 3D Objects - page 176

Remember that you can resize your cookie cutter inside a CAD application like
Tinkercad. Open up Tinkercad and click the Import option on the right side of the
screen. Click the Choose File button and browse to the location of your cookie
cutter STL file and open it. The model appears in Tinkercad as shown in Figure
9.4 . You might need to reduce its size for it to fit on the workspace; if so, shrink it
with the Scale setting.
Figure 9.4 Import your cookie cutter into Tinkercad to make more modifications.
Don't Forget the Youngest 3D Fans
One of the most amazing things I've discovered with my 3D printer is how inter-
esting it has become to my youngest boy, age 3. The hot end can definitely burn
little fingers, so I don't let him get too close, but he loves watching the hot end
move and shake and the hum of the motors.
If you've got a 3D printer, I encourage you to share its capabilities with your fam-
ily, but don't neglect any young children. Unfortunately, 3D printers are not in
every school, so if you're open to it, consider reaching out to your nearest ele-