Gears and transmission
EV Motor Mounting Cradle (Softail Frame Pad)
- Bounding box
- 220.0 × 184.5 × 212.7 mm
- Engine
- Precision B-rep
- Parameters
- 22
- Published
- October 5, 2026
Download
Free to download and use. See the terms.
The prompt
Create a 3D CAD model of a heavy-duty EV motor mounting cradle designed to fit a standard Harley-Davidson Softail or Ultima rigid motorcycle transmission frame pad. Key Features & Dimensions: Base Plate: A rectangular 1/2-inch (12.7 mm) thick aluminum base plate measuring 165 mm wide by 175 mm long. Include 4 slotted mounting holes configured in a 4.25" x 4.75" (108 mm x 120.6 mm) rectangular Softail transmission stud pattern. The slots should extend 32 mm longitudinally to allow forward and backward movement for chain tensioning. Front Upright Faceplate: A 3/8-inch (9.5 mm) thick vertical mounting plate extending 180 mm tall from the front of the base plate. It features a 90 mm center pilot hole and a 4-bolt circle (145 mm PCD) for M8 hardware to mount a Sotion MG160A gearbox motor face. Lateral Chain Offset: Offset the motor center pilot hole and mounting bolt pattern 1 inch (25.4 mm) to the left of the base plate center axis to align the drive chain for wide rear tire clearance. Support & Torque Mount: Add two triangular support gussets (80 mm x 80 mm) reinforcing the junction between the base plate and the front upright plate. Include a top mounting ear with a 10.5 mm hole at the top center of the upright faceplate for a torque-stay turnbuckle link.
Parameters
| Name | Value | Range |
|---|---|---|
| Base Plate Width (X) | 165 mm | 100 – 320 |
| Base Plate Length (Y) | 175 mm | 100 – 350 |
| Base Plate Thickness | 12.7 mm | 6 – 25 |
| Frame Stud Pattern X | 108 mm | 60 – 220 |
| Frame Stud Pattern Y | 120.6 mm | 60 – 280 |
| Slot Length (Travel) | 32 mm | 20 – 90 |
| Slot Width | 10 mm | 8 – 16 |
| Faceplate Width | 220 mm | 165 – 340 |
| Faceplate Thickness | 9.5 mm | 6 – 25 |
| Faceplate Height (above base) | 180 mm | 80 – 300 |
| Motor Pilot Bore | 90 mm | 30 – 160 |
| Pilot Centre Above Base | 90 mm | 20 – 180 |
| Bolt Circle PCD | 145 mm | 60 – 260 |
| Bolt Hole Diameter (M8 clr) | 9 mm | 5 – 14 |
| Bolt Circle Hole Count | 4 pcs | 3 – 12 |
| Chain Offset (to left) | 25.4 mm | 0 – 55 |
| Gusset Leg | 80 mm | 20 – 150 |
| Gusset Thickness | 8 mm | 4 – 20 |
| Gusset Offset From Centre | 70 mm | 20 – 80 |
| Torque Ear Width | 40 mm | 20 – 90 |
| Torque Ear Height | 20 mm | 10 – 60 |
| Torque Stay Hole | 10.5 mm | 5 – 20 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
More models
Browse the full gallery →Spur Gearbox
design gearbox
Involute Spur Gear with Keyway
Precision Involute Spur Gear with Hub and Keyway: Module (m) of 2.0 mm, 40 teeth (z), Pitch Circle Diameter (d) of 80.00 mm, 20° pressure angle (\alpha), 15.00 mm face width (b), a
Parametric Helical Gear
Create a parametric helical gear with the following specifications: 32 teeth, normal module of 3 mm, right-hand helix, total face width of 80 mm, and a central bore hole with a dia
Rod with Spur Gear
Metal rod diameter is 20 mm and length is 100 mm and right side attach a gear and their OD is 50 mm
Spur Gear (12 Teeth)
Built a gear with 12 teeth
Two-Stage Spur Gear Reduction Assembly
Design a 2-stage spur gear reduction set for 3D printing with an overall 10:1 ratio. Stage 1: A 12-tooth pinion driving a 36-tooth gear (3:1). Stage 2: A 12-tooth pinion coupled