Mechanical parts - Hobby and DIY 3D Print Models

We have 231 item(s) Royalty free 3D Models.

Details
$5
$1500
  1. extreme powerful crusher 3D Print Model
  2. -50%
    Track for toy models 3D Print Model
  3. -50%
    Airsilencer set 3D Print Model
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    Comprehensive 3D screw set based on ISO 4017 standards including M3 M4 M5 M6 M7 M8 and M10 3D Print Model
  5. Coffee Machine Gear Set 3D Print Model
  6. -50%
    Caliper case 3D Print Model
  7. PKG Motion 20 MPS h2200 Gear Repair Kit 3 Gears 3D Print Model
  8. -50%
    Premium s Bumpers and Mounts for scooter C1 3D Print Model
  9. -50%
    Modular Dual Vertical Controller Holder Universal Wall Under Desk Mount 3D Print Model
  10. -50%
    Modular Headphone Holder Pack Slim - Standard - Wide Wall Under Desk 6 STL Files 3D Print Model
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    Modular Clamp Workshop Organizer System for 25x25 Profiles 20 STL Pack 3D Print Model
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    Wolkswagen kafer Pickup RC Model 3D Print Model
  13. M12x15 Bolt and Nut 3D Print Model
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    Heavy Duty Push Button Switch Trigger for Dyson V11 V10 V15 sv12 sv14 ultra reinforced 3D Print Model
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    Realistic Powell Peralta Ray Barbee Skateboard 3D Print Model
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    Off road winch 3D Print Model
  17. -50%
    1911 original grips 3D Print Model
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    DVD stepper motor mini CNC 3D Print Model
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    Sharp edges Iris diaphragm 3D Print Model
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    Parametric Spur Gear - Customizable Dimensions for Engineering and Design 3D Print Model
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    Fire and Steel Real Kiritos Ordinal Scale 3D Print Model
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    Walter HWK 109-509 Rocket Engine 3D Print Model
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    Walther PP grips 3D Print Model
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    1911 Grips 3D Print Model
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    Thule Urban Glide 3 - Fold lock double 3D Print Model
  26. Screw 3D Print Model
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    3DPD50B5TY4 aperture shutter iris box 3d printable 3D Print Model
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    Worm gear for nema 17 or stepper motor 42mm 3D Print Model
  29. Propellor 3D Print Model
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    Machine neje 3D Print Model
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    Pillow Block Bearing 608 3D Print Model
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    Shuriken in the form of a six-pointed star 3D print model 3D Print Model
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    Honda CBR 600 f3 PIPE AIR VENT 1-000-629-305 3D Print Model
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    Honda CBR handlebar weights for a motorcycle 3D Print Model
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    OEM keycaps modal 3D Print Model
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    Drone Challenge Drop Pickup Mechanism 3D Print Model
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    Creality Ender 5 S1 extruder part 3D Print Model
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    SNIPER 3D Print Model
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    Sci-fi Factory for 3Dprint 3D Print Model
  40. -50%
    Sci-fi Crane for 3Dprint 3D Print Model
  41. Stoma Lift tape clamp 129250 3D Print Model
  42. Drkopp Adler bracket 271-272 2711410 3D Print Model
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    A leg for the CREALITY laser engraver working on the LEGO principle 10 mm height 3D Print Model
  44. Planetary gears for electric bicycle reduction of wheel 3D Print Model
  45. Detal 3D Print Model
  46. Bobbin holder with plastic for 3D printer Crealita K1 3D Print Model
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    Combination cylindrical lock 3D Print Model
  48. -50%
    100mm Solid Plastic Caster Wheel 3D Print Model
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    BEADLOCK RIM 19p 22p 32p ULTIMATE PACK Hexa 17 12 3D Print Model
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    Square Linear Guideway Rail 3D Print Model
  51. -50%
    Click pen mechanism 10 mm diameter 3D Print Model
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    Crane hook 3D Print Model
  53. -50%
    GS Custom bumper 3D Print Model
  54. -50%
    YAMAHA Custom bumper 3D Print Model
  55. -50%
    HONDA Custom bumper 3D Print Model
  56. -50%
    DUCATI Custom bumper 3D Print Model
  57. -50%
    Door pact 3D Print Model
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    Seeding shaft gear F APV PS 300 3D Print Model
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    3d printed sperimental spring 3D Print Model
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    Spring 3D Print Model
  61. -50%
    Volkswagen trunk latch repair kit 3D Print Model
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    Turbocharger inlet compressor 3D Print Model
  63. -50%
    Bicycle handle bar end 3D Print Model
  64. -50%
    Outboard Engine Clutch 3D Print Model
  65. -50%
    Rotax DD2 1st gear 3D Print Model
  66. Trowel stainless steel scoop 3D Print Model
  67. -50%
    Helical Gear Set 3D Print Model
  68. -50%
    Exhaust header manifold flange 3D Print Model
  69. -50%
    Sheet metal brake 3D Print Model
  70. -50%
    Herringbone Double Helical Gear Set 3D Print Model
  71. -50%
    Turbojet engine combustion liner chamber 3D Print Model
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    Linear Robotic Arm Robot Actuator 3D Print Model
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    2-speed gearbox 3D Print Model
  74. -50%
    Jet ski propeller 3D Print Model
  75. -50%
    Outboard Engine GearBox Gear Case 3D Print Model
  76. -50%
    Industrial crane hook 3D Print Model
  77. -50%
    Outboard Propeller 3D Print Model
  78. -50%
    Black and Decker Cordless Drill 3D Print Model
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    Bearing 3D Print Model
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    Bearing 3D Print Model
  81. -50%
    Bearing 3D Print Model
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    Bearing 3D Print Model
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    Bearing 3D Print Model
  84. -50%
    Art wheel 3D Print Model
  85. -50%
    Impeller 3D Print Model
  86. -50%
    Impeller 3D Print Model
  87. -50%
    Thule Urban Glide 2 front fork bushing 3D Print Model
  88. -50%
    Stagecoaches of the Wild West 3D Print Model
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    14 Printable Industrial Pipes 3D Print Model
  90. -50%
    TurboPump81-Rampumpdestroyer 3D Print Model
  91. -50%
    Southco Non Locking Latch M1 3D Print Model
  92. -50%
    Industrial Drone-Hexacopter Drone 3D Print Model
  93. -50%
    Sewing machine gear 3D Print Model
  94. -50%
    Swivel footwork 3D Print Model
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    Triangular connection of round pipes diameter 19 mm 3D Print Model
  96. -50%
    Clipper Lighter Cover 3D Print Model
  97. -50%
    Sram NX Eagle dub tool holder 3D Print Model
  98. -50%
    Airbox go kart 3D Print Model
  99. -50%
    Epicyclic gear sets DXF STEP Vector files 3D Print Model
  100. -50%
    SL4BLSH100A-Laser Cut Square Hole Sliding Iris Diaphragm 3D Print Model
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What variety of power transmission components is available for 2026?

The Mechanical parts category is a digital warehouse of "Kinetic-Logic," featuring an array of spur gears, bevel gears, worm drives, and complex planetary gearsets. Beyond basic gears, we offer "Linear-Actuator-Components," "Cam-Followers," and "Universal-Joints." In 2026, our models are designed with "Involute-Profile-Accuracy," ensuring that gear teeth mesh perfectly with minimal friction and noise. These assets are vital for makers building custom machinery, kinetic sculptures, or home automation devices. By providing a wide range of standardized and specialized mechanical links, we empower users to design and manufacture complex motion systems that were previously only possible with expensive machined metal parts.

How do 3D printed "Bearings-and-Bushings" perform in DIY projects?

While we recommend using steel bearings for high-speed applications, our 2026 collection includes "Print-in-Place" bearing models for low-load and specialized use. These designs utilize "Micro-Clearance-Engineering" to ensure that the internal balls or rollers move freely immediately after the supports are removed. For high-wear areas, we provide designs for "Self-Lubricating" bushings that can be printed in low-friction filaments like POM or igus-style polymers. This capability allows for the creation of "Fully-Integrated" mechanical systems where the housing and the bearing are a single, cohesive print, reducing part count and simplifying the overall assembly of your mechanical project.

Are the "Gear-Ratios" and "Module-Sizes" standardized?

Yes, in 2026, we adhere to "Metric-ISO" and "Imperial-Pitch" standards across our mechanical library. This means you can easily find a 1.0 Module gear with a 20-tooth count that will perfectly mesh with another 1.0 Module gear from a different designer in our collection. We also provide "Parametric-Gear-Templates" where you can adjust the bore diameter to fit specific motor shafts like D-profile or hex shafts. This standardization is a primary requirement for serious hobbyists and engineers who need to calculate "Torque-Output" and "Rotational-Speed" with mathematical certainty, ensuring that their 3D printed transmission systems perform exactly as intended.

How do I ensure "Structural-Integrity" in 3D printed linkages?

For mechanical links and levers that undergo significant tension or compression, our 2026 models feature "Stress-Path-Optimization." We recommend printing these parts with "Wall-Loop-Maxing," where the perimeters are increased until the part is virtually solid, which is far superior to standard infill for mechanical strength. Our models often include "Bolt-Passthrough-Reinforcements," where the areas around screw holes are thickened to prevent splitting when hardware is tightened. These technical details ensure that your 3D printed mechanical assembly can handle the "Dynamic-Loads" of real-world operation, providing a level of durability and reliability that makes DIY 3D printed machinery truly viable.

What are the best printing practices for "High-Precision" mechanical parts?

To achieve "Mechanical-Fit-Perfection" in 2026, "Dimensional-Accuracy" is the goal. We recommend calibrating your "Horizontal-Expansion" settings to account for plastic shrinkage and "Elephant-Foot" compensation to ensure the first layer doesn't interfere with gear meshing. Printing at a slower speed (around 40-50mm/s for outer walls) and using a smaller layer height (0.12mm or 0.16mm) will result in a much smoother tooth surface, reducing friction and wear. Finally, using a small amount of "Plastic-Safe-Lithium-Grease" on moving parts can significantly increase the efficiency and lifespan of your 3D printed mechanical systems, making them run smoother and quieter for longer periods.