Objects

ER40 Collet Racks and Holders: 3D Models to Print

This collection gathers 3D models built around ER40 collets: bench racks, trays, wall mounts and holders that keep a set of collets in order. Most of them are simple parts that print on a desktop 3D printer without a large build volume. They are useful when a drawer of loose collets needs a fixed place for each size. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

A Polyzon collection · 47 models from 4 platforms

How this collection is put together

Polyzon assembles this collection from search results on the connected platforms. Repeats and models without a preview are removed, weak matches go to the end, and the rest keeps the search order. Models belong to their authors — check the terms on each model's page.

Selection rules: the Polyzon editorial team · Text updated 2026-10-14

View the collection Show all: 1848 models →
Collection

Start here

All models in this collection

Show all: 1848 models
About the category

«ER40 Collet Racks and Holders: 3D Models to Print»

The models fall into a few groups. Bench racks and trays hold a row or a grid of collets upright, while wall-mounted versions save bench space and keep the set within reach. Single holders and blocks hold one collet for measuring or for keeping it paired with a tool, and some organizers are sized for CNC nozzles and similar tooling rather than for the collets alone. A few designs add markings or a wrench, so the set can be identified and tightened without extra tools.

Before printing, read the model page for the collet size it accepts and the number of parts it needs. Check whether the author lists supports, infill, layer height or a specific material, and look at photos of real prints to judge how the pockets fit. Wall-mounted designs need a fixing method, and modular racks usually rely on printed joints, so the tolerance of your printer matters more than on a plain tray.

Search terms can be widened or narrowed depending on what you need. Try synonyms such as collet rack, collet tray, collet stand, collet organizer or collet box, and combine them with the size you use. Related topics include ER32 and ER16 holders, CNC tool holders, machine-tool storage, workshop drawer inserts and wall-mounted tool rails.

FAQ

Frequently asked questions

What is an ER40 collet holder used for?
It keeps a collet in a fixed place, either on a bench, on a wall or in a cabinet, so the set stays ordered and each size is easy to find. Some holders also hold a collet while a tool is fitted.
Do these models need supports?
It depends on the shape. Flat trays and open racks often print without them, while pockets, overhangs and wall brackets may need them. The author's page usually states what the model requires.
Which material works for a collet rack?
PLA and PETG are common for storage parts that carry little load. If the holder sits in a workshop with heat, oil or chips, check what the author used and how the part is fixed.
How do I find a rack for a different collet size?
Search for the size you use, such as ER32 or ER16, together with rack, tray or organizer. Many designs are parametric, so the pocket size can be adjusted before printing.
Related
Objects

3D Models for Motor Impellers and Propellers

1280 models
Objects

Mannequin 3D Models: Poseable Figures and STL Heads

1370 models
Objects

Lego Technic Wheel 3D Models and STL Files

78785 models
Objects

Opel Bumper Cap 3D Models and STL Files

1404569 models
Objects

Telecom Cabinet 3D Models: Racks, Mounts and Boxes

1411 models
Objects

3D Models for Sliding Gate Drive Gears and Gearboxes

2558 models

All 3D model categories

The full catalog of topics — from home & household to CNC, searchable across the connected sources.

Open the category catalog