Wave Bookmarks by BamingoDesign

Catch a wave between the pages. No AMS/MMU required, only two color changes.

Print Settings:
Layer height: 0.08 mm with a base layer of 0.16 mm
Infill: 100%Color 
Changes:Start with Blue (Esun PLA Blue) At layer 8 (0.72 mm), swap to Light Blue (Esun PLA Light Blue) At layer 12 (1.04 mm), swap to White (Esun PLA Matte Milky White)

Notes: A 3MF print profile is included for AMS. Manual printing requires converting color changes to pauses or using the STLDo not simplify the model (ignore floating regions warning). Scale only in X and Y. Split objects manually by right-click menuUse a lighter or a heat gun to remove stringing.