All 36 Gear, Planetary, Sprocket, Sheet-Metal & Pipe-Coping CAD Generators
Select any preset below to launch the live 60fps parametric CAD workbench pre-configured for your transmission or fabrication spec.
Parametric Involute Spur Gear .DXF & 3D .STL Generator
Generate true parametric involute spur gear pairs with 0.005mm AutoCAD R12 .DXF and watertight 3D-printable binary .STL including hub boss, keyway, and contact ratio check.
MODE 2 · PLANETARY GEARSETEpicyclic Planetary Gearset Calculator & .DXF/.STL Studio
Design concentric Sun, N-Planet, and Internal Ring epicyclic gearboxes enforcing Zr = Zs + 2*Zp and symmetric planet indexing with instant .DXF & 3D .STL export.
MODE 1 · TORQUE & RATIOMechanical Gear Ratio, Output Torque & Speed CAD Calculator
Calculate gear reduction ratio, output RPM, output shaft torque (N·m), center distance, and transverse contact ratio with live 60fps meshing gear visualization.
MODE 3 · ANSI SPROCKETANSI B29.1 #40 & #35 Roller-Chain Sprocket .DXF Generator
Generate exact ANSI B29.1 #25, #35, #40, #50, and #60 roller-chain sprocket tooth seating curves and topping arcs for CNC laser, waterjet, and plasma cutting.
MODE 1 · RACK & PINIONParametric Linear Rack & Pinion .DXF + .STL CAD Studio
Generate conjugate involute pinion gears and linear trapezoidal racks with exact mm-per-revolution linear travel, thrust force, and CNC/3D-print exports.
MODE 1 · 3D PRINT STLNEMA17 Stepper 5mm D-Shaft 3D-Print Gear .STL Generator
Export watertight binary .STL spur gears with integrated 5.0mm NEMA17 D-flat bore, raised set-screw hub boss, and 0.14mm FDM printer backlash compensation.
MODE 3 · 420 GO-KART420 Go-Kart & Mini-Bike Chain Sprocket Laser .DXF Studio
Create laser-ready AutoCAD R12 .DXF files for 420 pitch (1/2 x 1/4 in) go-kart, drift trike, and mini-bike axle sprockets with mounting bolt circles.
MODE 4 · K-FACTOR BENDSheet-Metal K-Factor Bend Allowance & Flat-Pattern .DXF Tool
Calculate neutral-axis sheet-metal Bend Allowance (BA), Outside Setback (OSSB), Bend Deduction (BD), air-bend V-die tonnage, and flat-pattern .DXF layouts.
MODE 4 · CONE UNFOLDSheet-Metal Frustum Cone Flat-Pattern Unfold .DXF Generator
Unfold truncated frustum cones, concentric reducers, and stainless hoppers into exact flat-pattern arc sectors with bump-forming lines in .DXF & 1:1 .PDF.
MODE 4 · PIPE COPING 1:11:1 Sinusoidal Tube-Coping (Fishmouth Pipe Saddle) Template
Generate 1:1 printable wrap-around pipe coping templates and rotary-laser .DXF files for round tube fishmouth miter joints with a 100mm calibration scale bar.
MODE 1 · IMPERIAL DPImperial Diametral Pitch (DP) Spur Gear .DXF & .STL Studio
Design American AGMA Diametral Pitch (DP) involute gears in 14.5° or 20° pressure angles with automatic metric module conversion and R12 .DXF export.
MODE 2 · INTERNAL RINGInternal Involute Ring Gear & Epicyclic Housing .DXF/.STL
Generate internal involute ring gears with housing outer diameter, inward addendum clearance, and matching planet/pinion gears for compact drives.
MODE 1 · PROFILE SHIFTPositive Profile-Shift (+x) High-Strength Pinion .DXF/.STL
Eliminate involute root undercutting on small 9T–16T pinions using ISO positive profile shift (+x) with exact operating center distance calculation.
MODE 1 · DIN 6885 KEYWAYDIN 6885 Keyway Bore Spur Gear & Sprocket .DXF Generator
Automatically size DIN 6885-1 standard shaft keyway widths (b) and hub depths (t2) inside CNC-ready involute gears and roller-chain sprockets.
MODE 1 · ROBOTICS HEX BOREFRC & FTC Robotics Hex-Bore Gear .DXF + Binary .STL Studio
Generate competition robotics 20DP / Module 1.25 gears and #25/#35 sprockets with 1/2-inch (12.7mm) or 8mm across-flats hex bores and lightening holes.
MODE 1 · MODULE 1.0 STLModule 1.0 Fine-Pitch 3D-Printable Gear Binary .STL Studio
Create precision Module 1.0 instrument and servo gears optimized for 0.4mm/0.2mm FDM nozzles and SLS Nylon 12 printing with watertight manifold meshes.
MODE 1 · WATERJET DXFHeavy-Duty Module 2.0–10.0 CNC Waterjet Steel Gear .DXF
Generate closed zero-gap AutoCAD R12 .DXF polylines for abrasive waterjet, fiber laser, and CNC plasma cutting of 4140 and A36 steel gears.
MODE 1 · PRESSURE ANGLE14.5°, 20° & 25° Pressure Angle Involute Gear CAD Generator
Compare and export 14.5° vintage machine-tool replacement gears, 20° ISO standard drives, and 25° high-load gears with exact base circle math.
MODE 1 · TOLERANCE & CDPrecision Gear Center Distance & Backlash CAD Calculator
Calculate exact mounting bore center-to-center spacing, radial clearance, and circumferential backlash for CNC gearbox plates and 3D housings.
MODE 2 · 4-PLANET DRIVE4-Planet Symmetric High-Torque Planetary Gearbox .DXF/.STL
Design 4-planet load-sharing epicyclic gear stages satisfying (Zs + Zr) mod 4 = 0 for high-torque robotic joints and electric winch drives.
MODE 2 · NEMA23 REDUCERNEMA23 8mm Shaft 5:1 Planetary Reducer .STL & .DXF Studio
Build a 3D-printable or CNC-machined 5:1 NEMA23 planetary speed reducer (Zs=18, Zp=27, Zr=72, Np=3) with instant binary .STL & R12 .DXF output.
MODE 2 · ROBOT ACTUATORRobotic Actuator 7:1 Epicyclic Planetary CAD Generator
Configure compact high-ratio 7:1 involute planetary stages (Zs=12, Zp=30, Zr=72) for quasi-direct-drive quadruped and humanoid robot actuators.
MODE 3 · ANSI #25ANSI #25 (6.35mm Pitch) Robotics Sprocket .DXF & .STL
Generate compact ANSI #25 (0.250 in pitch) sprockets for FTC robotics, camera sliders, and desktop automation in binary .STL and laser .DXF.
MODE 3 · ANSI #50 / #60ANSI #50 & #60 Heavy Industrial Sprocket Waterjet .DXF
Export production-grade AutoCAD R12 .DXF profiles for ANSI #50 (5/8 in) and #60 (3/4 in) agricultural, forestry, and conveyor drive sprockets.
MODE 3 · 520 MOTORCYCLE520 Motorcycle & ATV Custom Rear Sprocket CNC .DXF Studio
Design custom tooth-count 520 pitch (5/8 x 1/4 in) 7075-T6 aluminum or chromoly rear motorcycle sprockets for CNC milling and laser cutting.
MODE 3 · ISO 08B METRICISO 08B / DIN 8187 Metric Roller-Chain Sprocket .DXF/.STL
Generate European ISO 08B metric sprockets accounting for the critical 8.51mm roller diameter difference vs ANSI #40 (7.92mm) to prevent chain climb.
MODE 3 · E-BIKE CHAINRINGCustom Bicycle & E-Bike 1/2" Pitch Chainring .DXF/.STL
Create custom tooth-count 36T–58T single-speed, track, and mid-drive e-bike chainrings in AutoCAD .DXF and 3D-printable prototype .STL.
MODE 1 · CNC GANTRY RACKCNC Gantry Linear Rack & Pinion Travel & CAD Generator
Size gantry rack-and-pinion drives for 4x8 CNC routers and plasma tables with exact steps-per-mm, linear speed, and downloadable .DXF/.STL.
MODE 1 · CLOCK & HOROLOGYHorology & Brass Clock Wheel Involute Gear .DXF Studio
Generate fine-module M0.5–M1.0 spoked brass clock wheels and lantern pinions with 0.005mm polyline accuracy for CNC wire-EDM and micro-milling.
MODE 4 · 304 STAINLESS304 Stainless Air-Bend Deduction & Flat-Pattern .DXF Tool
Calculate accurate K=0.44 304 stainless steel bend deductions, 8xT V-die openings, press-brake kilonewton force, and laser-cut flat .DXF blanks.
MODE 4 · 5052 ALUMINUM5052-H32 Aluminum Sheet-Metal Bend Allowance .DXF Studio
Compute crack-free 5052-H32 aluminum sheet-metal bend allowances (K=0.38) and export flat laser-cutting .DXF blanks with bend centerlines.
MODE 4 · HOPPER CONEIndustrial Cyclone & Hopper Frustum Cone Unfold .DXF
Unfold large industrial dust-collector cones, stainless brewing funnels, and HVAC round-to-round reducers into CNC plasma/laser .DXF sectors.
MODE 4 · EXHAUST CONEMotorsport Exhaust Megaphone & Reducer Cone 1:1 Template
Generate 1:1 printable wrap templates and laser .DXF flat patterns for 1.2mm 304 stainless exhaust transitions, megaphones, and V-band reducers.
MODE 4 · ROLL-CAGE COPING4130 Roll-Cage & Chassis Tube-Coping 1:1 Printable Template
Print 1:1 actual-size paper wrap templates for 1.75-inch (44.45mm) x 0.095-inch wall DOM and 4130 chromoly roll-cage miter joints.
MODE 4 · 90° PIPE SADDLE90° Schedule 40 Pipe Saddle & Branch Tee 1:1 Cut Template
Generate 1:1 wrap-around saddle cutting templates and plasma .DXF layouts for 90-degree Schedule 40 steel pipe tee intersections and handrails.
MODE 4 · OFFSET COPINGEccentric Offset & Angled Pipe Coping 1:1 Wrap Generator
Solve complex off-center and acute-angle round tube intersections with quadrant alignment marks, 3D preview, and 1:1 calibrated PDF wrap sheets.