3D-printable automotive, RC & hobby parts
Car inserts, RC bumpers, slot-car bodies, drone guards and hobby parts with real dimensions. Browse what makers built, or describe the exact part you need and Printy makes it.
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Traxxas Slash Wedge Front Bumper
A replacement front bash bumper for the Traxxas Slash RC chassis, designed to replace broken stock parts after hard curb impacts. The leading edge is tapered into a skid-plate wedge to force the chassis up and over obstacles rather than absorbing direct frontal collisions. Mounting Interface: Two M3 clearance holes on a 25 mm pitch, recessed 8 mm from the rear face. Hardware Fitment: Counterbored 4 mm deep on the underside to protect M3 socket head screws from ground abrasion. Profile: Tapers from a 15 mm rear mating surface down to a 10 mm leading edge, providing a sloped glide plane. Width: 104 mm across the front face for wide coverage of the front bulkhead.
AeroGuard — Latticed Prop Guards
Introducing AeroGuard, a lightweight protective ring designed to keep DJI Mini 3 flights safe around trees and tight spaces. The slanted, latticed airflow design reduces overall weight and minimizes downdraft interference, ensuring the drone remains agile while shrugging off minor impacts. Features Optimized Clearance: 100mm inner diameter provides a safe 5mm buffer around standard 90mm propellers. Aerodynamic Profile: Slanted lattice cutouts allow thrust to pass through the guard ring smoothly. Snap-Fit Mounting: Integrated C-clip securely snaps over a standard drone arm. Print Notes Print flat on the plate. A durable, impact-resistant filament like PETG or an engineered PLA is recommended to survive branch encounters.
Solid Kicktail Scooter Pedal
A heavy-duty rear kicktail platform designed for the Escoone W6 electric scooter. Features a solid, uninterrupted core for maximum strength, adjustable bolt spacing for the 114.3mm factory mounts, and a steep ramp angle to lock in the rear foot during hard acceleration. 105mm bottom arch to clear the rear fender Solid center spine for FDM printability Recessed bolt mounts to keep the deck flat High-traction chevron cuts for grip
Sistema de Dirección Ackermann2
Sistema de dirección frontal mecánico tipo Ackermann, diseñado para vehículos a radiocontrol o maquetas. Las manguetas descansan sobre el eje rígido principal y se conectan mediante una barra de acoplamiento, asegurando que la rueda interior trace un radio de giro más cerrado que la exterior durante las curvas. Puntos de Modificación Este diseño está pensado como una plataforma base para integrarse en chasis personalizados. Las cotas actuales sirven como punto de partida: Ancho del eje: 100 mm totales, con 90 mm entre los centros de pivote. Geometría Ackermann: Los brazos de dirección tienen una longitud de 20 mm y un ángulo de inclinación interna de 15 grados. Tornillería: Los orificios en el eje y la barra son pasantes de 3.2 mm, mientras que las manguetas cuentan con orificios de 2.8 mm diseñados para que tornillos M3 muerdan directamente en el plástico. Ejes de rueda: Los vástagos laterales miden 5 mm de diámetro por 18 mm de largo, compatibles con rodamientos estándar de RC 5x10 o hexágonos adaptadores.
Sweeping Dollhouse Window Slide
A large 3D-printable playground slide designed to mount securely into a 90 mm window frame, sized for 1:6 scale dolls. The track follows a single smooth clockwise sweep out and away from the dollhouse, transitioning cleanly to the floor. Broad Descent: Uses a smooth Bezier sweep to drop 460 mm without looping or reversing direction. Upright Geometry: The track remains perfectly level across its width from top to bottom. Window Mount: Features a squared notch that drops cleanly over a standard lower window edge.
240mm Kidney Pool With Slide Receiver
A 1:6 scale kidney-shaped pool basin optimized for flat build plates, featuring an integrated U-channel slide receiver on the front edge. The structure prints as a single monolithic part with no overhangs requiring support material. The basin wall is swept to provide a soft 3mm top bevel, and the interior floor transitions via a 4mm chamfer to prevent sharp 90-degree corners that trap water or dirt. Dimensional Specs Max Footprint: 240 mm × 175 mm (fits standard 256 mm build volumes). Basin Height: 50 mm overall; 44 mm usable interior depth. Wall Thickness: 10 mm continuous structural wall. Slide Interface: 70 mm wide channel with 15 mm vertical retention walls and exactly 15 mm of socket depth to positive stop. Base Plate: Solid 6 mm thick floor, printing entirely flat to the bed.
60mm Arc Reactor LED Ring
Circular mounting ring for standard 5mm LEDs. Sized with a 60mm outer diameter and a 48mm pitch circle. Features a continuous recessed channel on the rear face to simplify wire routing and soldering, plus a stepped front lip to seat a custom diffuser plate. Outer Diameter: 60.0 mm Inner Diameter: 36.0 mm Thickness: 5.0 mm LED Fitment: 5x 5.2mm bores (72° spacing) Rear Recesses: 6.2mm flange countersinks with an 8mm wide wire track Front Groove: 1.0 mm deep, accommodates a 56mm OD diffuser
50mm Armed Safety Kart
A modified safety kart chassis scaled to exactly 50 by 20 by 20 millimeters (5x2x2 centimeters). Fits standard FDM build volumes and layer resolutions. Replaces the 5mm micro variant. The machine gun barrels and safety structures are now large enough to resolve cleanly on a standard 0.4mm nozzle. Check your slicer preview to ensure the top-mounted magazines and barrel steps bridge properly.
Minifig Gravity Hammer
An overpowered sci-fi gravity hammer designed specifically for standard building block minifigures. Perfect Fit: The main shaft is modeled at 3.2mm, allowing a standard minifigure hand to clip onto it easily. Support-Free: The entire weapon is oriented to print perfectly flat on the build plate. Details: Features a thickened grip area, a spiked pommel, and glowing energy nodes on the primary striking block.
OO Scale Low-Relief Georgian HouseKit
A low-relief flat-pack Georgian building scaled for OO gauge (4mm to the foot). The kit prints flat and features inner 45-degree miters on the walls for clean 90-degree outer corners. Remix Hooks Scale: Set up for OO (1:76), but scales down to N or up to O nicely if you check your tolerances on the drop-in parts. Clearances: The windows and doors are designed with a slight undersize to allow for a coat of paint before dropping them in. Roofs: Sized at 35mm deep to give a 5mm overhang past the 30mm side walls, and long enough to meet at the ridge and clear the eaves. They feature a stepped slate/tile texture.
Utilitarian Door Clip Holder
A custom mounting block designed for seating VW door clips. Features a contoured entry channel to guide the clip's head and stem into place. Includes an 8mm downward-extending perimeter skirt with a 28mm front opening for secure alignment. Print base-down; the clearances are designed to grip without fusing.
Osłona Gniazda Kampera z Klapką v2
Gniazda zewnętrzne w przyczepach mają tendencję do zbierania wody i pyłu, zwłaszcza w czasie jazdy. Ta osłona rozwiązuje problem braku szczelności w standardowych pokrywach poprzez zastosowanie profilu labiryntowego i kapinosa, całkowicie eliminując potrzebę gumowych uszczelek, które z czasem parcieją. Wymiary: Ramka 65×65×20 mm, precyzyjnie centrowany otwór 48×48 mm. Wydruk: Zaprojektowana jako model print-in-place ze zintegrowanym zawiasem. Zalecana minimalna wysokość warstwy to 0.2 mm dla zachowania tolerancji mechanizmów. Ochrona: Wyposażona w kanał odpływowy (5°), daszek nad zawiasem oraz barierę labiryntową.
GOpro fieur skadis
A sturdy, mechanical mount that attaches standard GoPro gear to an IKEA SKÅDIS pegboard. Unlike standard static mounts, this design features a vertical hinge axis allowing the camera to pan left and right, making it ideal for overhead workspace recording or fixed security angles. The design relies on an M5 bolt and nut to clamp the vertical rotation axis firmly in place once the angle is set. The quick-release buckle block prints separately for optimal layer orientation, plugging into the rotating base plate. Assembly Base: Locks into two standard SKÅDIS slots without tools. Mechanism: Insert an M5 bolt through the side clamp, trap an M5 nut in the hex recess, and tighten with the printed knob. GoPro Buckle: Glues or presses onto the two registration pegs atop the rotating platform. Slide your standard GoPro helmet buckle straight in.
60mm RV Outlet Weather Cover
A heavy-duty, print-in-place weather cover designed for RV and camper electrical outlets. This cover features a robust 60x60mm footprint with an uninterrupted 40x40mm rear passthrough, replacing standard multi-hole mounts with a single unified channel. Specifications Overall Dimensions: 60 x 60 x 20 mm Front Chamber: 48 x 48 mm (17 mm depth) Rear Passthrough: 40 x 40 mm (centered) Hinge Mechanism: Integrated 2.5 mm axis knuckle hinge (100° range) Weather Resistance: Geometry-based labyrinth seal, bottom drip edge, and top hinge shield Tolerances: Pre-calculated 0.3 - 0.5 mm mechanical clearances for print-in-place operation
Camper Electrical Socket Cover
A flush-fitting protective cover for a standard electrical socket, designed to keep out dust and debris when not in use. It features a built-in knuckle hinge and a snap-fit latch to keep the flap securely shut during travel. Print and Fit Overall Dimensions: 60 × 60 × 20 mm Internal Chamber: 48 × 48 × 17 mm deep Mounting Pattern: Four 4 mm holes spaced 48 mm apart Clearance: 0.5 mm around moving parts — prints in three separate pieces (frame, flap, and pin) for easy assembly without fused hinges.
Canyon Aeroad Varia Halterung (16.5°)
Eine aerodynamische Halterung für ein Garmin Varia Radar, passend für die SP0077-Sattelstütze des Canyon Aeroad (Modelljahr 2025). 16,5° Ausgleichswinkel: Gleicht die Neigung der Sattelstütze exakt aus, sodass das Radar waagerecht nach hinten abstrahlt. Minimalistisches Design: Schlanker Loft von der 14 mm breiten Stützenaufnahme auf den 33 mm Garmin-Puck. Direktmontage: Nutzt die vorhandenen M4-Befestigungspunkte (22 mm Lochstich) am Rad. Kompatibel: 20 mm Lochstich für Standard-Garmin-Vierteldrehadapter (M3-Schrauben).
ClipBase — VW Door Mount
A direct replacement mount for a broken VW Golf 6 door panel clip (6Q0 868 243). Designed to be printed in a weldable polymer (like PP) and permanently reattached to the interior door panel using a plastic welder or soldering iron. Features Weld-Ready Base: Completely flat 32x25 mm bottom footprint maximizes the surface area for a strong perimeter weld. Tapered Insertion: V-shaped entry path allows the door clip to self-center during installation, ending in a secure 4 mm snap-fit neck. D-Shaped Profile: Rounded rear geometry eliminates sharp corners that could catch during the welding process, while saving material. Precision Cavity: Two-tier internal structure correctly houses both the 22 mm clip head and the 8 mm shaft without play.
Kid-Sized Palm Repulsor
A scaled-down version of the standard palm repulsor, proportioned specifically for a child's hand. Design Notes Overall width is roughly 57 mm to sit comfortably flat across a smaller palm. The side mounting slots are sized to accept a standard 1/2-inch elastic strap. Printed as three separate pieces to allow for distinct colours without painting.
Custom 16T Mod 0.5 Gear
What it's for A custom 16-tooth spur gear designed for tight tolerances and specific meshing requirements. Built with a modified pressure angle for a sharper tooth profile, and zero standard clearance to strictly match the requested root and outer diameters. Dimensions Outer Diameter: 9.00 mm Root Diameter: 7.00 mm Bore Diameter: 1.55 mm Thickness: 2.00 mm Module: 0.5 (with 28° pressure angle) Print notes Given the small 1.55 mm bore and fine module 0.5 teeth, a resin printer or an FDM machine with a 0.2 mm nozzle and highly calibrated flow is recommended. If printing on standard 0.4 mm FDM, horizontal expansion (XY compensation) may be needed to keep the bore true to size.
D-Shaft to Hex Motor Adapter
A rigid drive adapter connecting a standard D-shaft motor to a hexagonal RC wheel hub. The base features a keyed socket to prevent slip under torque, while the driven end seats into the tire's existing recess. Overall Length: 25 mm Motor Socket: 6 mm diameter with a 3 mm flat profile, 10 mm depth Wheel Drive: 5.2 mm flat-to-flat hexagonal peg, 10 mm length Base Diameter: 12 mm for structural wall thickness around the socket
Lego piece for wagon door runner with thinner teeth bit slightly smaller
Wagon door runner to replace 3 off 15208 bricks Version with slightly too large slope
5mm Hex to D-Shaft Adapter
Adapter coupler designed to bridge a D-shaft DC motor and a hex-hub wheel. Built to a total length of 30mm, featuring a dedicated socket for the motor shaft and a hexagonal drive peg for the wheel. Motor Socket: Sized for a D-shaft with a 3mm flat (assumes a standard 4mm overall shaft diameter). Depth allows for a 10mm long shaft. Wheel Drive: Hexagonal peg scaled to 4.8mm across flats to provide sliding clearance into a rigid 5mm hub. Clearances: Includes 0.2mm offsets on all critical mating surfaces for standard FDM printing tolerances.
Snap-Fit Poultry Band
A heavy-duty, flex-to-fit poultry leg band designed for easy application on turkeys. Customizing the Fit Band Diameter: Currently scaled for roughly a 1-inch (25.4mm) leg, making it suitable for mature turkeys. Band Width: The height along the leg is half an inch (12.7mm). The Hinge: The back of the ring thins out to 1mm to create a living hinge. You can thicken this if your material is exceptionally soft, or thin it further if you are using a stiffer PLA. The Lock: Features a horizontal bulb snap-fit. The locking pin squeezes through the entry gap and clicks into an enclosed cavity, keeping it secure even during movement. Adjust the bulb diameter or cavity clearance depending on your printer's tolerance.
CardBlank — 5-Ply Token
A solid rectangular token matching the exact footprint of a standard poker playing card (2.5 x 3.5 inches), extruded to the thickness of five standard cards (1.5 mm). Ideal for use as a deck spacer, a durable proxy blank, or a dimensional template for designing custom card accessories. The corners feature a standard 3 mm radius cut to match commercial playing cards. Dimensions Width: 63.5 mm (2.5 in) Height: 88.9 mm (3.5 in) Thickness: 1.5 mm (approx. 5 standard cards) Corner Radius: 3 mm
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