3D-printable workshop tools & shop upgrades
Drill guides, tool racks, sanding blocks, dust-collection adapters — functional shop gear with real dimensions, ready to print. Browse what makers built, or describe the exact tool you need and Printy makes it.
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Newest
Two-Speed Constant Mesh Gearbox
A build-it-yourself, chunky two-speed constant-mesh transmission designed for clear mechanical demonstration. All gears and shafts are laid out flat for straightforward printing. Design Features Two-Speed Setup: Includes a 15-tooth and 25-tooth spur gear arrangement. Constant Mesh: The gears are always engaged. A sliding dog clutch (the purple slider) locks the freely spinning gears to the output shaft to change the ratio. Assembly: Parts drop onto the base frame's posts. The high gear goes on the top of the output shaft (pocket facing down), the low gear goes on the bottom (pocket facing up), and the slider sits in between them on the hex shaft.
Fence post spacer
A straightforward set of square alignment spacers built to be stacked or swapped easily. Instead of dropping flush where you can't reach them, each spacer features a T-shaped grip tab extending out the front. Base: 20.3mm × 20.3mm Heights: 5mm, 10mm, 20mm, and 50mm Grip: Smooth, fully-rounded T-profile that sits centered on the edge The grip is 4.5mm thick across the board, offset just enough on the thinnest 5mm spacer to clear the plate. If you need a bolt hole cored through the center or a slot to make them slide-on U-shims, those are easy cuts to add.
Expanded Metric Thread Gauge
A benchtop reference block for identifying standard metric coarse threads. Contains female threads from M3 to M14. Specifications Range: M3, M4, M5, M6, M8, M10, M12, M14 Style: Internal threads for checking bolts Tolerances: Threads are modeled with internal clearance to account for typical FDM printing expansion, allowing bolts to thread smoothly without post-processing tap runs.
8-Inch Wide Mouth Funnel
A large-capacity funnel designed with an 8-inch top diameter and a 2-inch bottom opening. Built with 3mm walls and a reinforced upper lip for rigidity during heavy use. 203.2 mm (8 in) top opening 50.8 mm (2 in) bottom spout 101.6 mm (4 in) cone depth 50.8 mm (2 in) spout length 3 mm wall thickness
90° Bevel Gearbox Assembly
A fully functional 90-degree bevel gearbox connecting an 8mm hex shaft to a 5mm hex shaft. The robust L-shaped housing is split cleanly down the center for easy, support-free printing and simple assembly. Specifications Transmission: 1:1 ratio bevel gears (16 teeth, 90-degree mesh). Input/Output: Built-in 8mm and 5mm hex bores, oversized by 0.2mm to accommodate standard FDM tolerances. Mounting Interfaces: Four 4.3mm clearance holes on each face flange, arranged in a 25mm square pattern. Assembly: The housing halves are clamped together automatically when bolted to a surface using the face flanges; an extra M3 hole in the rear corner provides optional tightening. All pieces print flat without supports.
Mouse Wheel Spinner Rig
A motorized jig designed to continuously spin a computer mouse scroll wheel. Built around a NEMA 17 stepper motor and a standard GT2 280mm belt, it drives an overhead rod that rolls against the mouse. Adjustable Driven Shaft: The vertical towers feature 25mm of sliding travel to handle different mouse profiles. Bearing Housings: Included clamping blocks designed for standard 608RS bearings (with integrated crush ribs for a tight fit). Rod Adapters: Collar sleeves step the 8mm bearing inner diameter down to a 5mm rod. Motor Tensioning: The NEMA 17 faceplate has 10mm of slotted travel to easily tension the timing belt.
Packout M18 Router Insert
What it's for A custom drop-in tray engineered to convert a half-section of a Standard Milwaukee Packout Organizer into a dedicated M18 router station. It features a contoured cradle for the router body with its battery attached, a wide pocket for the base plate, a large accessory bay for the edge guide and wrench, and a 12-slot storage grid for 1/4-inch shank router bits. Scalloped finger pulls make it easy to lift the router out. Dimensions Footprint: 280 mm × 200 mm Height: 60 mm Bit Storage: 12 holes, 7.2 mm diameter (for easy clearance of standard 1/4" shanks) Print notes Given the large 280 mm length, this will require a reasonably large print bed. A robust infill (15–20% gyroid) is recommended to support the weight of the tool. The design rests entirely flat on the build plate and requires no supports.
Detailer's Triptych Vacuum Set
A custom trio of detailing tools designed specifically for the standard 35mm friction-fit wands found on most Karcher wet/dry workshop vacuums. Each piece serves a distinct stage of an automotive deep clean. The set features: The Crevice Tool (Red): Extended and sharply angled to slip between seats and center consoles. The Wide Nozzle (Blue): Flared to 80mm with a shallow scraping edge, ideal for lifting stubborn dirt from floor mats and broad upholstery. The Detailing Spot Nozzle (Green): Narrowly focused into a 16mm tip for intense, localized suction inside cup holders, vents, and door pockets. Designed to print without supports—just drop them on the bed vertically.
Eccentric Cam Twist-Lock Prototype
A three-piece prototype demonstrating an internal cam-based locking mechanism for telescoping poles. The inner tube carries an eccentric spool on its tip; twisting the handle forces the captive cam outward against the walls of the outer tube to lock the extension at any length. Mechanism Notes Offset: The spool is offset by 1.5 mm, which translates to a full lock within roughly a 15 to 20-degree twist. Guide Rail: The outer tube features an internal rail. The cam is slotted to ride this rail (preventing it from turning), while the inner tube has a wide 90-degree channel cut out so it can rotate freely past the rail. Assembly: Slide the inner tube up through the outer tube until the spool clears the top, snap the cam onto the spool sideways via its keyhole slot, and pull the whole assembly back down into the housing.
Acrylic Sliding Channel Clip
This low-profile edge clip is designed to hold a 0.093" (2.4mm) acrylic sheet flush against a flat surface. Rather than fixing the panel in place, the clip features an open track, allowing you to use multiple clips to build a sliding channel. Remix variables: Acrylic Thickness: Currently set for a 2.6mm gap to allow a 0.093" sheet to slide freely without binding. Overlap: 8mm lip reach. Mounting: Uses an M3 socket head screw, featuring a 3mm slotted channel to let you fine-tune the clamping pressure against the panel during install. Ideal for easily removable 3D printer enclosures, sliding doors, or modular dust covers.
Eccentric Cam Twist-Lock Prototype
A three-piece prototype demonstrating an internal cam-based locking mechanism for telescoping poles. The inner tube carries an eccentric spool on its tip; twisting the handle forces the captive cam outward against the walls of the outer tube to lock the extension at any length. Mechanism Notes Offset: The spool is offset by 1.5 mm, which translates to a full lock within roughly a 15 to 20-degree twist. Guide Rail: The outer tube features an internal rail. The cam is slotted to ride this rail (preventing it from turning), while the inner tube has a wide 90-degree channel cut out so it can rotate freely past the rail. Assembly: Slide the inner tube up through the outer tube until the spool clears the top, snap the cam onto the spool sideways via its keyhole slot, and pull the whole assembly back down into the housing.
Nit ring v3.2 (7.4mm)
What it's for A custom two-stage spacer or bushing. The bottom section flares out for a wider footprint, while the top maintains a straight profile. A continuous through-hole runs the entire length, with a shallow counterbore at the base to recess a bolt head or capture a mating pin. Dimensions Total Height: 12.5 mm Tapered Base: 9 mm diameter at the bottom, flaring to 13 mm over a 3 mm height. Straight Collar: 9 mm diameter, 9.5 mm high. Bore: 7 mm clearance hole straight through. Counterbore: 9 mm diameter, recessed 2 mm into the bottom. Print notes Print this sitting flat on its wide base. The counterbore is shallow enough that most standard profiles will bridge it without requiring supports.
Rounded Cylinder Base
A heavy-duty base piece that sits flat without catching on surfaces. The bottom edge is heavily radiused to clear corners and prevent scratching, while the top houses a precise pocket for mounting. Footprint: 65mm diameter x 12mm height Top Pocket: 19mm wide, 5mm deep Bottom Edge: 5mm radius rounding
Nit version 3
A stepped, precision-style pin featuring a wide base, a straight shaft, and a flared, tapering head. A tight 1mm slot bisects the upper half of the geometry, giving the head flexibility for snap-fit applications or wire routing. Dimensional Profile Total Height: 14.0 mm Base Plate: 12.5 mm diameter × 2.2 mm thick Shaft: 6.5 mm diameter Head Taper: 8.0 mm flaring down to 6.5 mm Slot Depth: 7.0 mm (exactly half the overall length)
Gridfinity Double Fiskars Slim 4x2 Dock
A custom Gridfinity-compatible tool tray designed to dock two Fiskars Pro Retractable Utility Knives. The knives drop vertically into precisely angled slots, while a cubby has room for a bunch of 80x18mm utility blades. What it's for Keeps your primary utility knives loaded, upright, and instantly grabbable, with spare blades tucked right underneath. Dimensions Footprint: Standard 4x2 Gridfinity base. Knives: 13-degree rear tilt for easy handle clearance. Blade Cubby: 90x64x27mm internal volume, with a 6mm retaining lip. Remix Ideas Extend the depth to a 4x3 footprint if you want to add slots for marker pens or rulers in front of the blades. Adjust the blade cubby lip height if you use custom-printed blade dispensers instead of the factory packs.
Color Insert For Slim 4x1 Fiskars Knife Dock
precision-fit tool dock insert designed to scream when a tool is missing. By printing it in a high-visibility colour and dropping it into the base of a neutral-coloured dock, an empty slot instantly becomes a visual alert. designed to fit into this dock: https://printytron.com/m/slim-4x1-fiskars-knife-dock-hd9q Features Stencil Cutout Typography: The tool name is cut entirely through the 2mm base plate. Because Black Ops One is naturally stencilled, the islands in the letters won't fall out, and the dock body's colour shines straight through. Drop-In Fit: Sized precisely for the bottom of the Fiskars Utility Knife cavity. Elephant's Foot Compensation: Features a slight 0.4mm bottom bevel to ensure the print presses cleanly into the dock floor without binding on a squished first layer.
Slim 4x1 Fiskars Knife Dock
A highly functional Gridfinity-compatible dock tailored for the Fiskars Pro Retractable Utility Knife (model 770210-1001), now remixed into an ultra-slim 4x1 form factor. Standing the knife securely on its side allows it to drop into tight spaces without eating up valuable pegboard or drawer real estate. Design Features 4x1 Gridfinity Base: Minimises footprint; perfect for slotting into long gaps between wider trays. Vertical Docking: Seats the knife securely on its side while leaving the handle prominent for quick grabs. Scalloped Finger Access: Features a sweeping 60mm side-cutout that leaves a structurally sound 10mm lip above the base plate, granting plenty of clearance for larger hands. Clearance Channel: Incorporates a deeper relief inside the slot so the blade slider won't bind.
1.95" x 0.195" Chamfered Sleeve
A simple sleeve spacer or bushing. Features: Outer Diameter: 1.95 inches Inner Bore: 0.195 inches (through-hole) Overall Height: 2.5 inches Internal chamfers on both ends of the bore to ease insertion. Check your shaft diameter and required clearance before running off a print.
Chamfered Heavy Duty Spacer
A 2.5-inch tall solid cylinder spacer with a 1.5-inch outer diameter and a 0.38-inch inner diameter. The inner hole features 1mm chamfered edges at the top and bottom to guide inserted parts and reduce edge stress. Outer Diameter: 1.5" (38.1 mm) Inner Diameter: 0.38" (9.65 mm) Overall Height: 2.5" (63.5 mm) Edge Treatment: 1mm ID chamfers
Sockenlineal für Schuhgrößen
Ein einfaches Messwerkzeug, um während des Strickens die Fußlänge und Schuhgröße einer Socke zu bestimmen, ohne das Strickstück ständig anprobieren zu müssen. Das Lineal wird direkt in die Spitze geschoben. Die eingravierten Skalen in Zentimetern und EU-Größen nutzen sich nicht ab und gleiten glatt am Garn vorbei. Maße und Parameter Länge: 300 mm Messstrecke. Breite: 50 mm, passend für gängige Sockenspitzen. Stärke: 2,4 mm (steif, aber noch nicht sperrig). Skalen: CM oben, EU-Größen unten, nach außen gerückt für bessere Ablesbarkeit.
Dust Extractor Static Turbine
Nothing stops a project faster than trying to perfectly align a separate impeller core inside a printed housing while the glue dries. This design builds the stator directly into the pipeline — a single solid print where the central shaft is locked to the walls via mid-body struts. The blades are pitched to guide airflow and trimmed completely flush with the adapter's inner taper, so there's no risk of them breaching the outer shell. Dimensions & Setup Total Height: 140 mm Shaft Diameter: 12 mm Blade Setup: 6 angled blades at the 4-inch base, 6 more at the 2-inch top. Mounting: 3 stationary support struts across the transition zone. Printing Note: Built as a single solid part (stator). If used for dust extraction, printing in PETG is recommended to handle the abrasion from chips.
Low Profile Probe Rack
A bulky wall mount that catches on sleeves and knocks things off the bench is exactly what we don't want. Chopping the back plate down to a stubby profile gets the plastic out of the way while keeping the rack mounted firmly against the wall. Fit Details Capacity: 8 scope probes Grip Clearance: 10mm holes Mounting: Swapped to smaller M3 countersunk holes to fit the shorter 12mm back plate
8-Probe Slim Wall Rack
Tired of oscilloscope probes sliding off the bench and getting crushed by heavy gear? This wall-mounted rack gets them up and out of the way. It holds eight probes cleanly, keeping the cables untangled and the tips safe. Dimensions & Details Capacity: 8 slots (15mm diameter cutouts, 5.5mm entry slots) Overall Size: 220mm wide x 53mm deep x 17.5mm high Mounting: Three countersunk screw holes (4.5mm shaft, 7.5mm head) Printing: Prints flat on its base, no supports required. Thinned down to save material and print time.
Brymen BM789 Multimeter Desk Stand
A dedicated desk stand for the Brymen BM789 multimeter. The stand pitches the meter back at 30 degrees from vertical for bench readability. Crucially, the BM789 routes its test leads from the bottom face—so the lower lip and base plate feature a 65mm-wide central clearance channel. The meter sits on the outer shelves of the tray while the leads drop straight through to the desk. Fitment checks Width: Internal clearance is 95mm (BM789 in holster is ~89mm wide). Depth: Internal tray depth is 55mm (BM789 in holster is ~51mm). Jacks: The 65mm U-channel easily clears the standard 4-jack spread. Compatibility: Will fit other meters with bottom jacks provided their holstered footprint is under 95x55mm.
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