Brackets and mounts
Speed Loader Main Frame
- Bounding box
- 161 × 146.2 × 50 mm
- Engine
- 3D Printing B-rep
- Parameters
- 22
- Published
- October 30, 2026
Download
Free to download and use. See the terms.
The prompt
Generate a 3D parametric solid model of a speed loader main frame. Start with a central hub of 25mm outer diameter, 10mm thickness, and a 10mm center bore. Create 6 cylindrical cavities arranged radially at 60-degree intervals. Each cavity has a 41.10mm inner diameter, 50mm depth, and its center is 55mm from the hub center. Connect the hub to each cavity with a straight arm. Each arm has a 5mm width and 8mm height. Exactly 15mm before the distal end of each arm, reduce the material thickness to 1.5mm to create a living hinge. At the very end of each arm, add a retention tip with a 2.0mm hook height, a 15-degree release chamfer, and a 23.5mm inner radius matching the cavity. Add a simple hinge mounting point on the rear face of the central hub."
Parameters
| Name | Value | Range |
|---|---|---|
| Hub outer diameter | 25 mm | 12 – 60 |
| Hub thickness | 10 mm | 4 – 30 |
| Hub center bore diameter | 10 mm | 3 – 20 |
| Number of cavities | 6 mm | 3 – 12 |
| Cavity inner diameter | 41.1 mm | 10 – 80 |
| Cavity depth | 50 mm | 10 – 120 |
| Cavity center offset from hub center | 55 mm | 20 – 120 |
| Cavity wall thickness | 3.5 mm | 1.5 – 10 |
| Arm width | 5 mm | 2 – 12 |
| Arm height | 8 mm | 2 – 20 |
| Hinge distance before arm distal end | 15 mm | 3 – 30 |
| Living hinge thickness | 1.5 mm | 0.8 – 3 |
| Living hinge length along arm | 3 mm | 1 – 8 |
| Retention tip inner radius | 23.5 mm | 10 – 40 |
| Retention tip radial width | 2 mm | 0.6 – 6 |
| Hook height | 2 mm | 0.6 – 8 |
| Release chamfer angle | 15 deg | 0 – 45 |
| Gap between hinge ears | 6 mm | 3 – 16 |
| Hinge ear thickness | 3 mm | 1.5 – 8 |
| Hinge ear length | 12 mm | 5 – 30 |
| Hinge ear height | 7 mm | 3 – 20 |
| Hinge pin hole diameter | 3.4 mm | 2 – 8 |
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 →Trumpet Lyre Mount Main Body
A single 3D mechanical CAD part for a trumpet music lyre mount (Main Body with Paddle). Geometry details: 1. A 18mm-wide semi-cylindrical clamp arc for a 28mm diameter cylinder, w
UAV Ogive Nose Cone
Design a watertight, 3D-printable aerodynamic nose cone module for a fixed-wing tactical UAV, optimized for printing in Carbon Fiber Filled PETG (PETG-CF). The base of the nose con
Flat-Strap Reel Spool
Create a 3D model of a custom flat-strap reel spool for a home plate housing cavity. Geometry: - A reel spool consisting of two parallel circular outer flanges connected by a cent
PET Recycling Kiosk Frame
Design a production-ready welded steel frame for an outdoor PET bottle recycling and animal feeding kiosk. Create ONLY the steel frame. Do not create covers, motors, tanks, electr
Kugoo G2 Pro Rear Swingarm for KuKirin G4
Create a detailed 1:1 CAD drawing of custom rear swingarms for the Kugoo G2 Pro 2020 electric scooter. The swingarms must be designed to fit a KuKirin G4 hub motor instead of the o
Humanoid Robot Exploded Assembly
Design a 3D CAD model of a fully autonomous humanoid biped robot for the Robofest AI HOMO BOT competition. Dimensions Height: 800 mm (80 cm) Maximum weight: 20 kg Lightweight modu