Bookbinder set Punching cradle Corner cutter T-spacer 3 mm Pre-stitch template Corner cutter T-spacer

I designed and printed these parts for bookbinding for my own use. I provide the STL files for 3D printers here.

The set consists of:

• Punching cradle, punching device up to DIN A5 (215 mm)

• Multifunctional corner cutter with 3 mm wall

• Multifunctional T-spacer for 3 mm

• Simple spacers for 3 mm

Punching cradle:

The holes are numbered consecutively and the row of holes can be moved as required using an adjusting screw. The displacement can be adjusted using the lines provided. (see pictures)

Dimensions:

Length of the insert: 215 mm (for DIN A5)

Hole spacing: 10 mm

Hole diameter: approx. 2.1 mm (for 2 mm awl)

An optional M4 screw can be used to move the row of holes: M4x30 with two standard M4 nuts.

Functions of the corner cutting device, etc:

• Corner cutter with 3 mm corner distance

• Mark the distance from the edge of the cover

• Position the book cover at a right angle

• Round off corners with 5 or 8 mm rounding

• Hole template for elastic bands at three intervals

• Rulers for marking edge distances

• Finger grip for better handling

T-spacer functions (among others):

• T-linear (T-spacer)

• Ruler markings in cm

• Markings for edge widths in cm

• Corner cutting angle aid

• Hole template for elastic bands

• A finger holder for better handling

Dimensions: see pictures

For private use only. Commercial use in digital or physical form is not permitted.

Material recommendation: PLA, Wood PLA or PETG

Layer height: 0.2 mm

Nozzle: 0.4

Filling: 25% or more

Support: I recommend printing the row of holes upright with support (15%) to get a good surface.