Valentine day QR code keychain

thingiverse

Looking for a unique gift to sweep your partner off their feet on Valentine's Day? Consider a pendant encoded with a heartfelt message! Surprise them with a custom QR code pendant/keychain that reads "Will you be my valentine?" when scanned. To create this special keepsake, use the pause feature on your 3D printer and select two filaments - preferably white and black. Experimenting with other dark colors may also yield impressive results. To print this design, start by extruding white filament until it begins to emboss. Pause the printer (utilizing a command like M600 in Cura's Pro Interface) and swap out the filament for black, then resume printing until completion. Once you've printed your pendant, use a smartphone QR code scanner to reveal the hidden message. P.S. If only I had someone special to share this with...