First Print with the Simple - 3D Printing: Build your Own 3D Printer and Print your own 3D Objects - page 99

Figure 5.19 The finished medallion.
Upgrades!
Homing the nozzle for every print job can get annoying fast, but there's an upgrade
that now ships with every Printrbot Simple. It's a set of end stops that automat-
ically do the homing for you—cool! The end stops were released too close to the
finishing of this topic, so I was unable to include their installation in Chapter 3 ,
“ Assembly Assistance for the Printrbot Simple .” But Printrbot has added the steps
to install the end stops, and I highly encourage you to use them. After installation,
instead of using the axes buttons to move the nozzle tip to the proper starting loc-
ation and distance from the print bed, you click the Home All button on the Print
Panel and this task is done automatically. The motors spin and the print bed and
nozzle move on their own, and no fine-tuning by you is needed.
As for the painter's tape, there's also an upgrade coming soon (but not ready at the
time of this writing) that will eliminate the need for the tape. It's called a heated
bed, and it's a tool used to let the plastic cool gradually so that it doesn't warp or