Summary:<p>&quot;OK, how many brightly colored plastic pieces of crap do I really need in my life?&quot;<p>I&#x27;ve learned three things.<p>Lesson 1 - You can print upgrades to your 3D printer<p>Lesson 2 - You can print brightly colored non-plastic pieces of crap<p>Lesson 3 - You can print and then assemble brightly colored plastic pieces of crap