Spine Rounding Form (Rundeholz) for Bookbinders

Spine-former used to create curved spines of books with seven grooves of the following diameters:
– 50 mm (2")
– 40 mm (1 1/2")
– 36 mm (1 3/8")
– 30 mm (1 1/8")
– 20 mm (3/4")
– 16 mm (5/8")
– 12 mm (1/2")

Full list of diameters you can choose from (please PM any changes in the tool design I should account for):
– 50 mm (2")
– 40 mm (1 1/2")
– 36 mm (1 3/8")
– 32 mm (1 1/4")
– 30 mm (1 1/8")
– 25 mm (1")
– 20 mm (3/4")
– 16 mm (5/8")
– 12 mm (1/2")

This spine rounding form is made from laminated oak or beech beam.

All measurements are made in mm and sizes in inches are approximate.

Please check another version of the tool with pestles here: https://www.etsy.com/listing/490262657/spine-rounding-form-rundeholz-for