Brackets and mounts
Ladder Rung Safety Latch
- Bounding box
- 78.0 × 30.0 × 21.0 mm
- Engine
- Precision B-rep
- Parameters
- 25
- Published
- October 13, 2026
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The prompt
Okay, I need a part that latches around to secure this. Ask me for any further input before designing, if you are unsure. The total length is 78mm, and width is 30mm, each of those ends is 21mm of partial length. the part needs to elevate a bid in the middle so it grips around (ideally 6mm in height difference there). I want to have a mechanism to lock it. Sideways opening might be an option. This is part of a children ladder and a prototype. Latch will be there to prevent accidental movement of the small ladder. Part will be 3d printed, and everything needs to be plastic. I plan to mount it with screws in the wood (4x20mm). Part needs to be printed for both small ladder parts. Any further questions?
Parameters
| Name | Value | Range |
|---|---|---|
| Base Plate Length | 78 mm | 50 – 120 |
| Base Plate Width | 30 mm | 20 – 60 |
| Plate Thickness | 5 mm | 3 – 12 |
| Raised Centre Length | 36 mm | 20 – 60 |
| Raised Centre Height | 6 mm | 2 – 15 |
| Corner Radius | 2 mm | 0 – 4 |
| Screw Clearance Hole | 4.3 mm | 2 – 8 |
| Countersink Diameter | 8 mm | 4 – 14 |
| Countersink Angle | 90 deg | 60 – 120 |
| Screw Hole X Offset | 29 mm | 15 – 36 |
| Screw Hole Y Offset | 10 mm | 3 – 14 |
| Latch Arm Length | 78 mm | 50 – 120 |
| Latch Arm Width | 30 mm | 20 – 60 |
| Latch Arm Thickness | 5 mm | 3 – 12 |
| Latch Collar Wall | 6 mm | 3 – 15 |
| Pivot Offset From Centre | 33 mm | 24 – 38 |
| Lock Pin Offset From Centre | 33 mm | 24 – 38 |
| Pivot Pin Diameter | 5 mm | 3 – 10 |
| Pivot Pin Length | 12 mm | 8 – 30 |
| Pivot Head Diameter | 9 mm | 5 – 18 |
| Pivot Head Height | 2 mm | 1 – 6 |
| Lock Pin Diameter | 6 mm | 3 – 12 |
| Lock Pin Length | 20 mm | 10 – 40 |
| Lock Pin Head Diameter | 10 mm | 6 – 20 |
| Lock Pin Head Height | 4 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.
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