# 36 Mechanical CAD Generators — GearCADPro.com

- [Involute Spur Gear DXF & Binary STL Generator (Metric Module & DP)](https://gearcadpro.com/templates/involute-spur-gear-dxf-stl-generator.html): 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.
- [Planetary Gearset Calculator & CAD Generator (Sun, Planet & Ring DXF/STL)](https://gearcadpro.com/templates/planetary-gear-calculator-cad-generator.html): 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.
- [Gear Ratio, Output Torque, Pitch Velocity & Contact Ratio Calculator](https://gearcadpro.com/templates/gear-ratio-torque-speed-calculator.html): Calculate gear reduction ratio, output RPM, output shaft torque (N·m), center distance, and transverse contact ratio with live 60fps meshing gear visualization.
- [ANSI #40 & #35 Roller Chain Sprocket DXF & 3D STL CAD Generator](https://gearcadpro.com/templates/ansi-40-35-chain-sprocket-dxf-generator.html): 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.
- [Linear Rack and Pinion DXF & 3D STL CAD Generator](https://gearcadpro.com/templates/rack-and-pinion-cad-generator.html): Generate conjugate involute pinion gears and linear trapezoidal racks with exact mm-per-revolution linear travel, thrust force, and CNC/3D-print exports.
- [NEMA17 5mm D-Shaft 3D Printable Spur Gear Binary STL Generator](https://gearcadpro.com/templates/nema17-d-shaft-3d-print-gear-stl.html): 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.
- [Go-Kart & Mini-Bike 420 Chain Sprocket Laser-Cut DXF Generator](https://gearcadpro.com/templates/go-kart-420-sprocket-laser-dxf.html): 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.
- [Sheet-Metal K-Factor, Bend Allowance & Bend Deduction DXF Calculator](https://gearcadpro.com/templates/sheet-metal-bend-allowance-k-factor-calculator.html): Calculate neutral-axis sheet-metal Bend Allowance (BA), Outside Setback (OSSB), Bend Deduction (BD), air-bend V-die tonnage, and flat-pattern .DXF layouts.
- [Flat-Pattern Frustum Cone Unfold Calculator & Laser DXF Generator](https://gearcadpro.com/templates/flat-pattern-cone-layout-dxf-generator.html): Unfold truncated frustum cones, concentric reducers, and stainless hoppers into exact flat-pattern arc sectors with bump-forming lines in .DXF & 1:1 .PDF.
- [1:1 Tube Coping & Fishmouth Pipe Saddle Printable Wrap Template (PDF/DXF)](https://gearcadpro.com/templates/tube-coping-fishmouth-pipe-miter-template.html): 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.
- [Imperial Diametral Pitch (DP 8, 10, 12, 16, 20, 24) Spur Gear DXF & STL](https://gearcadpro.com/templates/diametral-pitch-gear-dxf-generator.html): Design American AGMA Diametral Pitch (DP) involute gears in 14.5° or 20° pressure angles with automatic metric module conversion and R12 .DXF export.
- [Internal Ring Gear & Pinion Meshing CAD Generator (DXF & Binary STL)](https://gearcadpro.com/templates/internal-ring-gear-dxf-stl-generator.html): Generate internal involute ring gears with housing outer diameter, inward addendum clearance, and matching planet/pinion gears for compact drives.
- [Profile-Shifted (+x) Undercut-Free Small Pinion Gear CAD Calculator](https://gearcadpro.com/templates/profile-shifted-undercut-free-pinion-cad.html): Eliminate involute root undercutting on small 9T–16T pinions using ISO positive profile shift (+x) with exact operating center distance calculation.
- [DIN 6885 Parallel Keyway Shaft Bore Gear DXF & 3D STL Generator](https://gearcadpro.com/templates/din-6885-keyway-bore-gear-calculator.html): Automatically size DIN 6885-1 standard shaft keyway widths (b) and hub depths (t2) inside CNC-ready involute gears and roller-chain sprockets.
- [FRC Robotics 1/2-Inch Hex Bore Gear & Sprocket DXF/STL Generator](https://gearcadpro.com/templates/frc-half-inch-hex-bore-gear-stl.html): 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.
- [Module 1.0 Fine-Pitch Nylon & PA12-CF 3D Printable Gear STL Generator](https://gearcadpro.com/templates/module-1-nylon-3d-print-gear-generator.html): 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.
- [Module 2.0 & 3.0 Heavy Steel Gear Waterjet & Laser Cutting DXF Studio](https://gearcadpro.com/templates/module-2-cnc-waterjet-steel-gear-dxf.html): Generate closed zero-gap AutoCAD R12 .DXF polylines for abrasive waterjet, fiber laser, and CNC plasma cutting of 4140 and A36 steel gears.
- [20° vs 14.5° vs 25° Pressure Angle Gear Tooth Geometry Comparator](https://gearcadpro.com/templates/20-vs-14-5-pressure-angle-gear-calculator.html): Compare and export 14.5° vintage machine-tool replacement gears, 20° ISO standard drives, and 25° high-load gears with exact base circle math.
- [Spur Gear Center Distance, Backlash & Meshing Tolerance Calculator](https://gearcadpro.com/templates/gear-center-distance-backlash-calculator.html): Calculate exact mounting bore center-to-center spacing, radial clearance, and circumferential backlash for CNC gearbox plates and 3D housings.
- [4-Planet High-Torque Epicyclic Gearbox Calculator & CAD Generator](https://gearcadpro.com/templates/epicyclic-4-planet-high-torque-gearbox-cad.html): Design 4-planet load-sharing epicyclic gear stages satisfying (Zs + Zr) mod 4 = 0 for high-torque robotic joints and electric winch drives.
- [NEMA23 Stepper 5:1 Planetary Gearbox 3D Printable STL & DXF Studio](https://gearcadpro.com/templates/nema23-planetary-reducer-stl-generator.html): 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.
- [High-Ratio 7:1 Robot Actuator Planetary Gearset CAD Calculator](https://gearcadpro.com/templates/cycloidal-vs-involute-planetary-ratio-tool.html): Configure compact high-ratio 7:1 involute planetary stages (Zs=12, Zp=30, Zr=72) for quasi-direct-drive quadruped and humanoid robot actuators.
- [ANSI #25 (1/4-Inch Pitch) Micro Robotics Chain Sprocket STL & DXF](https://gearcadpro.com/templates/ansi-25-micro-robotics-sprocket-stl.html): Generate compact ANSI #25 (0.250 in pitch) sprockets for FTC robotics, camera sliders, and desktop automation in binary .STL and laser .DXF.
- [ANSI #50 & #60 Heavy Industrial Conveyor Sprocket DXF Generator](https://gearcadpro.com/templates/ansi-50-60-industrial-conveyor-sprocket-dxf.html): Export production-grade AutoCAD R12 .DXF profiles for ANSI #50 (5/8 in) and #60 (3/4 in) agricultural, forestry, and conveyor drive sprockets.
- [520 Motorcycle, Dirt Bike & ATV Custom Sprocket CNC DXF Generator](https://gearcadpro.com/templates/motorcycle-520-rear-sprocket-cnc-dxf.html): 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.
- [ISO 08B (12.7mm Metric) British Standard Roller Chain Sprocket DXF](https://gearcadpro.com/templates/iso-08b-metric-roller-chain-sprocket-cad.html): Generate European ISO 08B metric sprockets accounting for the critical 8.51mm roller diameter difference vs ANSI #40 (7.92mm) to prevent chain climb.
- [Bicycle & Mid-Drive E-Bike 1/2-Inch Pitch Chainring DXF & STL Studio](https://gearcadpro.com/templates/bicycle-ebike-chainring-130bcd-dxf.html): Create custom tooth-count 36T–58T single-speed, track, and mid-drive e-bike chainrings in AutoCAD .DXF and 3D-printable prototype .STL.
- [CNC Router & Plasma Table Module 1.5 / 2.0 Rack & Pinion CAD Calculator](https://gearcadpro.com/templates/cnc-router-linear-rack-pinion-drive-cad.html): Size gantry rack-and-pinion drives for 4x8 CNC routers and plasma tables with exact steps-per-mm, linear speed, and downloadable .DXF/.STL.
- [Precision Horology & Brass Clock Wheel Gear Wire-EDM DXF Generator](https://gearcadpro.com/templates/wire-edm-precision-brass-clock-gear-dxf.html): 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.
- [304 Stainless Steel Press-Brake Bend Deduction & Tonnage Calculator](https://gearcadpro.com/templates/stainless-304-press-brake-bend-deduction-tool.html): Calculate accurate K=0.44 304 stainless steel bend deductions, 8xT V-die openings, press-brake kilonewton force, and laser-cut flat .DXF blanks.
- [5052-H32 Aluminum Enclosure Sheet-Metal Unfold & Laser DXF Calculator](https://gearcadpro.com/templates/aluminum-5052-air-bend-k-factor-dxf.html): Compute crack-free 5052-H32 aluminum sheet-metal bend allowances (K=0.38) and export flat laser-cutting .DXF blanks with bend centerlines.
- [Industrial Cyclone Dust Collector & Hopper Cone Flat-Pattern DXF](https://gearcadpro.com/templates/sheet-metal-hopper-reducer-cone-unfold.html): Unfold large industrial dust-collector cones, stainless brewing funnels, and HVAC round-to-round reducers into CNC plasma/laser .DXF sectors.
- [Stainless Exhaust Megaphone & Turbo Reducer Cone Template (DXF/PDF)](https://gearcadpro.com/templates/exhaust-collector-cone-transition-dxf.html): Generate 1:1 printable wrap templates and laser .DXF flat patterns for 1.2mm 304 stainless exhaust transitions, megaphones, and V-band reducers.
- [4130 Chromoly Roll-Cage & Chassis Tube Notching 1:1 Wrap PDF Generator](https://gearcadpro.com/templates/roll-cage-chromoly-tube-notcher-template.html): 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.
- [90-Degree Pipe Saddle Tee & Schedule 40 Branch Coping Template (PDF/DXF)](https://gearcadpro.com/templates/90-degree-pipe-saddle-tee-branch-template.html): Generate 1:1 wrap-around saddle cutting templates and plasma .DXF layouts for 90-degree Schedule 40 steel pipe tee intersections and handrails.
- [Offset & Angled Pipe Intersection Coping Wrap Calculator (1:1 PDF & DXF)](https://gearcadpro.com/templates/offset-pipe-miter-angle-wrap-pdf-generator.html): Solve complex off-center and acute-angle round tube intersections with quadrant alignment marks, 3D preview, and 1:1 calibrated PDF wrap sheets.