The trick is to print one shape, then the other, by mashing the G-code together and changing the filament from blue to yellow along the way. The result is the blue and yellow plastic gets printed ...
But it isn't just plastic packaging that Europeans are throwing out in large volumes. With plastic waste generation growing annually, and recycling rates failing to keep up, Europe has a long road ...
At home, keep cold air out with inexpensive draft excluders, and switch to LED lighting whenever a filament-style bulb burns out. Another area for reducing is bottled water. Rather than buying and ...