> ## Documentation Index
> Fetch the complete documentation index at: https://docs.researchanddesire.com/llms.txt
> Use this file to discover all available pages before exploring further.

# 24mm Double Penetration Attachment

> A heavy-duty dual 24mm threaded attachment using 3030 aluminum extrusion for added stability

<Frame>
  <img src="https://mintcdn.com/researchanddesire/oOFBp7FunnUtZ5w3/ossm/Hardware/ossm-mods/salad-dressing/_images/dp-attachment-hero.webp?fit=max&auto=format&n=oOFBp7FunnUtZ5w3&q=85&s=26357b8a6615e2957bfda2aebb995159" alt="24mm Double Penetration Attachment mounted with toys" width="1045" height="759" data-path="ossm/Hardware/ossm-mods/salad-dressing/_images/dp-attachment-hero.webp" />
</Frame>

<Frame caption="Top-down view of the bracket with 3030 extrusion and dual 24mm threads">
  <img src="https://mintcdn.com/researchanddesire/oOFBp7FunnUtZ5w3/ossm/Hardware/ossm-mods/salad-dressing/_images/dp-attachment-top.webp?fit=max&auto=format&n=oOFBp7FunnUtZ5w3&q=85&s=c2be08b26f8e057fc4ec3c120258fa84" alt="DP Attachment bracket top-down view" width="4096" height="2304" data-path="ossm/Hardware/ossm-mods/salad-dressing/_images/dp-attachment-top.webp" />
</Frame>

A double penetration attachment for 24mm threading. Uses a 200mm 3030 aluminum extrusion for extra stability and two slidable 24mm threads mounted on T-nuts.

<Tip>
  Recommended for use with the Capstan XL HG20 version for maximum rigidity, but compatible with any OSSM build.
</Tip>

## Bill of materials

| Part                            | Quantity | Notes                                           |
| ------------------------------- | -------- | ----------------------------------------------- |
| 3030 Aluminum Extrusion (200mm) | 1        | Provides the structural backbone                |
| M5x10 Hex Cap Screw             | 4        | Secures the 24mm threads                        |
| M5x20 Hex Cap Screw             | 4        | Connects the main part to the 3030 extrusion    |
| M5 T-Nut                        | 8        | For both thread mounts and extrusion attachment |

## Printed parts and CAD files

| Part                 | Files                                                                                                                                                                                                                                                                                                                                   |
| -------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| DP Attachment Body   | [3MF](https://github.com/KinkyMakers/OSSM-hardware/blob/main/Printed%20Parts/OSSM%20Mods/SaladDressing%27s%20Mods/24mm%20DP%20Attachment/DP_Attachment.3mf) / [STL](https://github.com/KinkyMakers/OSSM-hardware/blob/main/Printed%20Parts/OSSM%20Mods/SaladDressing%27s%20Mods/24mm%20DP%20Attachment/DP_Attachment.stl)               |
| DP Attachment Thread | [3MF](https://github.com/KinkyMakers/OSSM-hardware/blob/main/Printed%20Parts/OSSM%20Mods/SaladDressing%27s%20Mods/24mm%20DP%20Attachment/DP_Attachment_Thread.3mf) / [STL](https://github.com/KinkyMakers/OSSM-hardware/blob/main/Printed%20Parts/OSSM%20Mods/SaladDressing%27s%20Mods/24mm%20DP%20Attachment/DP_Attachment_Thread.stl) |
| STEP Source          | [DP\_Attachment.step](https://github.com/KinkyMakers/OSSM-hardware/blob/main/Printed%20Parts/OSSM%20Mods/SaladDressing%27s%20Mods/24mm%20DP%20Attachment/STEP/DP_Attachment.step)                                                                                                                                                       |

## Community support

<Card title="Discord Thread" icon="discord" href="https://discord.com/channels/559409652425687041/1437143419607847083">
  Join the discussion and share your experience with the DP attachment.
</Card>