Mechanical parts
AR-15 Bolt Head
- Bounding box
- 27.3 × 28.0 × 85.0 mm
- Engine
- Precision B-rep
- Parameters
- 9
- Published
- November 2, 2026
Download
Free to download and use. See the terms.
The prompt
AR-15 Bolt head
Parameters
| Name | Value | Range |
|---|---|---|
| Body Diameter | 18 mm | 12 – 25 |
| Body Length | 75 mm | 50 – 100 |
| Head Diameter | 19 mm | 14 – 28 |
| Head Length | 10 mm | 5 – 20 |
| Lug Count | 7 | 2 – 12 |
| Lug Width | 6 mm | 3 – 10 |
| Lug Height (radial) | 3 mm | 1.5 – 6 |
| Lug Length (axial) | 8 mm | 4 – 15 |
| Firing Pin Hole Diameter | 2 mm | 1 – 4 |
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 →Plastic Bottle with Screw Cap
A plastic bottle with a twist-on screw cap. Adjustable bottle diameter, height, and cap height.
Copper Cold-Plate Base with Fin Channels and Face-Seal Groove
1. Copper Base Create a rectangular copper base 84 × 84 mm. Use C110 ETP copper. Finished overall base thickness is 5.70 mm. The bottom floor thickness below the channels is 2.50 m
Spring Cup
"Create a cylindrical spring cup. The main body has an outer diameter of 14 mm and a total height of 5 mm. Cut a centered recessed pocket into the top face that is 8.5 mm in diamet
M6 Thumb Screw
Create ONLY a mechanical thumb screw. This is NOT a knob. Create a real M6 thumb screw used in industrial machinery. Features: • Circular head 22 mm diameter • Head height 12 m
Engine Piston
make me a cylinder/piston for an engine. The bottom hole to connect to the cranckshaft needs to be 24 mm in diameter
Nuclear Medicine Center Functional Floor Plan (Parametric Wall Model)
Create a **2D architectural floor plan in DWG format** for a new **Nuclear Medicine Center**. This is a **generic conceptual functional layout**, NOT a construction-ready project.