The following are some pictures that show the state of the setup as it is now. As you can see, a KP3S printer is placed on the table with a camera and DIY LED lamp pointing at the heated bed at ...

It seems a simple enough concept: as a 3D printer consumes filament, the spool becomes lighter. If you weighed an empty spool, and subtracted that from the weight of the in-use spool, you’d know how ...