A book that you can use to store your dice, markers. candy, etc. Blank cover without the skull included.
Can store approximately six sets of polyhedral dice.
Use fuzzy skin to achieve the leathery texture - see settings below.

Height: 175mm / 7"
Width: 125mm / 5"
Thickness: 37mm / 1.5"
Internal storage height: 30mm / 1.2mm

I can adjust the size on request.

Cover:
0.2mm layer height
2 walls
10% infill

To get a leathery look on the cover:
Enable Fuzzy skin
Fuzzy skin Point Distance 0.4mm
Fuzzy skin Thickness 0.1mm (max)
(Fuzzy settings are the same in most slicers but results may vary with printer model and outer wall print speed. Slower is better)

Pages:
0.24mm layer height
3 Walls
10% infill