Freeprintable v8 engine (probably working)
Thingiverse
8.458 model
Free
Freeprintable nitro engine demo
Thingiverse
FreeJet Engine — 3D Printable Turbofan Engine Cutaway Model
Thingiverse
Free3d Printable Turbojet Engine
Thingiverse
Free3d Printable Radial Pneumatic Engine
Sketchfab
Free3d Printable Pneumatic-Engined Toy Car
Sketchfab
Free3d Printable Air Balloon Engine for LEGO
Sketchfab
Free3D printable Jet Engine - Combustion Lining
Thingiverse
Free3D Printable Inline 4 Engine
Sketchfab
FreeCompact Working Oscillating Air/Steam Engine (fully printable)
Thingiverse
FreePiston Head for Stirling Engine - Simple Improved Printable Part
Printables
FreeVorrakai Frontiers – Null Covenant – Black Psalm Engine (Sci-Fi 3D Printable Miniature STL)
Printables
FreeSteam Engine with Rails - 3D Model (.OBJ + .MTL)
Sketchfab
Free3D Model of KAMAZ 740.3 Engine (KAMAZ-5350)
Sketchfab
FreeBristol Pegasus X Engine 1/72
Sketchfab
Free3D Printable HO Scale Half-Life 2 Razor Train
Sketchfab
A fully functional 3D-printable mini manual bench drill model from the Rcatia channel
Cults3D
FreeEngine Single Cylinder by LIVICO
MyMiniFactory
Freeстанция — Набор D&D №1
Sketchfab
FreeMechanical Flange Low, Medium, High Poly Version
Sketchfab
FreeSkull Bowl Powered by Triverse | Dark Fantasy
Sketchfab
FreeQueen 2
Sketchfab
FreeMinimalist Wall Clock - Modern 3D Model
Sketchfab
FreeV2 Rocket - Historic Ballistic Missile
Sketchfab
FreeIndian Street Food Vada Pav 3D Asset
Sketchfab
FreeDark Wizard
Sketchfab
FreeBeginner CAD Practice Mode
Sketchfab
FreeComponents for gearbox
Sketchfab
Free123cube
Sketchfab
FreeCandy Catapult
Printables
FreeGearfinity Planetary Gear Stage
MyMiniFactory
/https://fbi.cults3d.com/uploaders/21938325/illustration-file/992c0588-171b-4a97-945e-bbde5a30613e/jankovic3.jpg)
FreeBMW G8X M3/M4 Intercooler Cover with M Logo
Cults3D
FreeWaffle Maker Latch Clip – Replacement Part
Printables
/https://fbi.cults3d.com/uploaders/43872217/illustration-file/77827066-e3ef-43bb-b17f-05d9b0203e42/IMG_20260915_182853.jpg)
Free~1 Trillion to 1 Gearbox - Printable Mechanical Gear Reduction Toy
Cults3D
FreeAdjustable Shelf Brackets – Thin & Thick Profiles (3D Printable)
Printables
FreeMechanic Mouse Character Figurine 3D Printable
Printables
FreeInventor Steampunk Fantasy Figurine 3D Printable
Printables
FreeRobot Dog Quadruped Sci-Fi Model 3D Printable
Printables
FreeGears and gearbox
Sketchfab
FreeTop Spool Holder Mount for Qidi Q2 Riser (TPU Friendly)
Printables
FreeQidi Q2 top cover handle
Printables
![[WIP] Flashforge AD5X - Stock Hotend Printable Replacement Mount](https://media.printables.com/media/prints/d9ff78cd-cb9e-421f-b737-4e7386b99f3b/images/13592778_41c7a34a-4aeb-4424-b517-c7f75e219543_1b26596d-fc72-4403-b479-4d5028cd1591/thumbs/cover/640x480/jpg/20260817_111853007_ios.webp)
Free[WIP] Flashforge AD5X - Stock Hotend Printable Replacement Mount
Printables
FreeCoPrint Printable 8-in-1 Adapter
Printables
FreeINDX Tool- FDM-printable replacement shell (WIP)
Printables
FreeParametric Dovetail Box – Modular 3D Printable Enclosure & Customizable Panels
Thingiverse
Free3D Printable Insta360 X6 Kitesurf line mount
Thingiverse
Freemost printable SAFETY razor
Thingiverse
Free15 kg gas bottle bracket (printable on small beds)
Thingiverse