French Cleat Tool Holder

French cleat walls are the most flexible workshop storage there is: one 45° rail and every holder can move anywhere. Printed cleats work well as long as you respect the load — the 45° face transfers weight into the wall, but a printed hook still has printed-plastic limits.

Fits: Standard 45° French cleat rails

Make this one yours. Cadio generates it to your measurements — change the size, slot count, or angle by describing what you need.

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Key dimensions

Cleat angle	45°
Cleat height	40 mm engagement
Back plate	8 mm thick
Load	Up to about 3 kg per holder in PETG
Anti-lift	Optional bottom spacer

Print settings

Material	PETG
Layer height	0.25 mm — these are chunky parts
Walls	4 perimeters
Infill	35%
Supports	None if printed back-down
Orientation	Back plate on the bed, cleat angle self-supporting

What actually matters

Print back-plate-down. The 45° face then prints as a self-supporting overhang and the layers run across the load path.
Add the bottom spacer. Without it a holder lifts off the rail when you pull a tool upward.
For anything heavy — a circular saw, a big drill — use a wooden cleat and print only the cradle. Plastic has its limits.

Questions

What angle should my rail be?

45° is the de facto standard and what this matches. If your existing rail is 30°, generate to that angle instead.

How much weight can a printed cleat hold?

Around 3 kg in PETG with four perimeters. Beyond that the plastic creeps over time even if it does not break outright.

Need it in a different size, or with more slots?

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