
3 mm Spacer STL Models for 3D Printing
This collection gathers 3 mm spacer STL files for 3D printing, from printer motion parts to washers, fan mounts and spool holders. It helps you find a starting point when a gap, height or mounting distance needs a precise thickness. Check the author's page for dimensions and print details before choosing. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.
Le texte de cette collection est rédigé en anglais ; la recherche, elle, fonctionne dans toutes les langues.
Comment cette collection est composée
Polyzon compose cette collection à partir des résultats de recherche des plateformes connectées. Les doublons et les modèles sans aperçu sont retirés, les correspondances faibles sont placées à la fin, et le reste suit l’ordre de la recherche. Les modèles appartiennent à leurs auteurs : consultez les conditions sur la page de chaque modèle.
Règles de sélection : la rédaction de Polyzon · Texte mis à jour le 15/10/2026
Par où commencer
Tous les modèles de cette collection

Desiccant Holder - Spool Center - 63mm Bore
Ender-3 Pro Z-Stepper Spacer

Magnet depth reducer/spacer 4 mm to 3 mm

Abstandhalter für Wabenplatte, xTool S1 3-4-5-6 mm

Silica Beads / Desiccant holder spool 53mm+ Spools

Nozzlebox - Box for nozzles

Axial Fan Spacers 120, 92, 80, 60, 40, 30 mm

Electrical Outlet Spacers stacking 1/8" 3 mm thick

Diffuser overlay for front bumper. universal. thickness 3mm

Ender 3 Y-axis stepper motor damper spacer

NEMA 17 spacers (1-10 mm)

Metric Washers Kit Plates - Ready to print

Cannondale Headshock Spacer 40-54mm

Ender 3 V2 Riser Feet 25 & 35 mm

Wall mountable Raspberry pi zero/zero 2 case with space for 8mm heatsink

Spacers 1.5 - 5mm for windows & doors installation

70mm Container with 3 Thread Lid

Lathe 3-Jaw Chuck Spacer for Short Stock - Spider

Tile Spacers - 16 sizes 1 - 12 mm

PSU Cable Comb|Max 3.5mm|Optimized Spacing Version

Linealanschlag für Metalllineale (30mm x 1mm)

Ender 3 Z-Axis Spacer 2mm-5mm

Speaker spacer 165 mm Mitsubishi Pajero 3

Deck Board Spacer 3 mm

63mm spool adapter ender 3 v3 ke V2

Filament Spool Clip for 3 mm and 1.75 mm

Star Trek - Deep Space Nine Danube Class Runabout 1/70 scale (13 inches / 33 cm)

drawer front spacer 3 mm

Spool spacer 53mm OD 36mm ID
Hex 5 Spacer, Standoff 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 mm; M4 Pin M4

Spacers with Numbers - 1, 2, 5 mm

3.6 mm M4 spacer

Dummy 13 Spare parts

1-2-3-speeds switch mount for e-bike (handlebar 22 mm)

Hex Tile Spacer 3mm (1/8th in)

Tiles spacer 3 - 4 - 5 mm

GU 5.3 Led Spotlight housing 95 mm height

Bloc de construction Gravitrax 11 Tailles différentes / Height Tiles

32 mm spacers for velomobile elastomer front suspension

Roll-up cable organizer print in place (3 size)

3mm flat clip

Hex 5 Spacer, Standoff 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 mm; M4 Pin M5

Nuki 1 cm spacer

Mini Spaceship – Astronaut Collection

Ender-3 V3 KE Spool Adapter 75mm
«3 mm Spacer STL Models for 3D Printing»
The models cover several spacer families. Printer motion spacers sit between motors, frames or feet, while washers and shims fill thin gaps around fasteners and panels. Fan and electronics mounts hold boards or fans at a set distance, and spool or desiccant holders use a spacer-like core to center a roll. Panel, trim and vehicle spacers adapt a surface or opening to a different thickness.
When choosing a model, compare the listed inner diameter, outer diameter and thickness with the gap you need to fill. Look at the number of parts, how they assemble, and whether the author notes support structures or a specific print orientation. Material and settings matter because a thin spacer can behave differently in PLA, PETG or another filament. Photos of real prints and the author's dimensions are useful details on the model page.
To refine the search, try synonyms such as spacer, shim, washer, standoff, gasket and adapter. Add the use case, for example printer motor, fan mount, spool center, panel mounting or cable pass-through. Dimension terms like inner diameter, outer diameter, bore and thickness can narrow the results further. Related topics include printer maintenance parts, spool storage and workshop organization.
Questions fréquentes
What is a 3 mm spacer used for in 3D printing?
How do I choose between a spacer, shim and washer?
What should I check before printing a 3 mm spacer?
Can I scale a 3 mm spacer model?
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