Enclosures and housings
Coilgun Propulsion Chamber - Rear Spool Bobbin
- Bounding box
- 39.6 × 39.6 × 90.0 mm
- Engine
- Precision B-rep
- Parameters
- 10
- Published
- October 16, 2026
Download
Free to download and use. See the terms.
The prompt
Create a 3D printable CAD model of a cylindrical propulsion chamber for an electromagnetic coilgun, shaped like a spool or bobbin. Specifications: - Total length: 90 mm (9 cm). - Inner diameter (bore): exactly 12 mm straight through, allowing a 10 mm diameter hex key (Allen wrench) to slide smoothly. - Wall thickness: Fixed at exactly 1 mm throughout the entire cylinder (resulting in a 14 mm outer diameter for the main body). - Spool design (Bobbin flanges): A 50 mm (5 cm) long section dedicated to the wire coil, flanked and delimited on both ends by two circular retaining flanges (disks/walls) like a thread spool. - Positioning of the coil section: The 50 mm spool section must be located specifically at the rear/end part of the 90 mm cylinder. - Internal features: Completely remove any internal mechanical stoppers or lips inside the bore; the inner diameter must be an unobstructed 12 mm straight through from end to end. - Connection joint: Design the front end of the 90 mm cylinder with a socket or peg fitting to securely attach into a 40 mm ping-pong ball holding chamber.
Parameters
| Name | Value | Range |
|---|---|---|
| Total Length | 90 mm | 40 – 200 |
| Bore Diameter (through) | 12 mm | 6 – 30 |
| Wall Thickness | 1 mm | 0.6 – 3 |
| Coil Winding Length | 50 mm | 10 – 120 |
| Retaining Flange OD | 20 mm | 16 – 45 |
| Retaining Flange Thickness | 3 mm | 1.5 – 8 |
| Chamber Plug OD | 38 mm | 20 – 60 |
| Chamber Plug Length | 12 mm | 4 – 30 |
| Snap Ridge Height | 0.8 mm | 0 – 3 |
| Snap Ridge Width | 2.5 mm | 1 – 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 →Cylindrical Stainless Steel Basket with Folding Handles
Design a cylindrical 304 stainless steel basket with an outer diameter of 200 mm and height of 250 mm. The basket has solid side walls with no perforations. The bottom plate contai
Immersion Cooling Enclosure
Design a sealed high-pressure dielectric immersion cooling enclosure for cylindrical battery cells. Internal cavity dimensions: 540mm length, 360mm width, 160mm height with 6mm wal
Simple BWB with Propulsion Tube
Prompt: "A simple, solid Blended Wing Body (BWB) flying wing. Dimensions: wingspan 6.5 meters, center chord 1.53 meters, root thickness 35 centimeters, tapering to 15 centimeters a
Engranaje recto 50 dientes, módulo 2
Engranaje recto de 50 dientes, diámetro exterior 104 mm, diámetro de raíz 95 mm, espesor 10 mm y ángulo de presión 20°. Crear como sólido 3D con un agujero central de 8.2 mm de diá
G+1 Party Hall Structural Shell
G+1 Party Hall – AutoCAD Design Prompt Design a G+1 RCC-framed Party Hall in AutoCAD with detailed Ground Floor Plan, First Floor Plan, and all-side elevations (front, rear, left
Rope Winch Drum
Create a fully parametric CAD model of a rope winch drum for a construction hoist. Requirements: - Output format: STEP (.step or .stp) - Units: millimeters - Solid body only (no