Very simple bookmark, takes about 10 minutes to print and uses less than 1g of filament. 

0,6mm height results in 3 0,2mm layers. You can play around with Z scale if you want, 1 thick layer should be good enough and the print will be ultrafast then.

"Caution! Bookmark" by AtomKemp was used as a base for this model: [https://www.thingiverse.com/thing:162339](https://www.thingiverse.com/thing:162339)