Parametric Hammer Holder - Multiboard Fix Point

Hang a hammer by its head, with the handle dropping between two support arms. Set the gap to clear the handle while keeping enough of the head supported, and choose an arm length that suits your hammer.

Fix Point mounting with a locator

Use a Fix Point with a horizontal groove in its head, such as the MultiBuild Small Thread - Fix Point (Folded). Orient that groove horizontally. The rounded locator ridge inside this holder's mounting slot engages the groove as the holder seats, locking the holder and its tool position into place. Keep the channel-lock option enabled for this feature. Check full engagement and fit on your print; the locator is not a rated safety latch.

The Fix Point layout grows automatically with the holder. Overall width is gap + 40 mm. It always uses at least two connectors; pitch is 25 mm below 76 mm overall width and 50 mm at or above 76 mm. A third connector is added at 126 mm overall width (86 mm gap). All three supplied presets use two connectors.

Fix Point connectors are separate parts and are not included in these downloads. Follow MultiBuild's instructions for the connectors.

Convenience STL sizes

All linear dimensions are millimeters. Each filename records its main dimensions; "p" means a decimal point (for example, 24p2 = 24.2 mm). All supplied variants have the channel lock enabled.

Customize it for your own tool - the best way to use this model

These STL exports are just for convenience. The best way to use this model is to make a parametric version tailored to your specific tool.

1. Open my editable Onshape model and sign in to your Onshape account.

2. Open the document menu beside the Onshape logo and choose Copy workspace... to create your own editable document. Work in your copy, not the original.

3. Choose the Hammer Holder Part Studio tab, then double-click Hammer Holder in the left-hand feature list. The parameter screenshot in this listing shows the settings dialog.

4. Measure your tool, edit the values below, and confirm with the green check. Let the complete feature tree regenerate and check for errors or unintended geometry.

5. Right-click the finished part in the Parts list and choose Export.... Choose STL, Binary, Millimeter, Fine and download.

6. Slice at 100% scale, check the orientation and preview, and print a fit test before relying on the holder.

Parameters

• Gap: Clear distance between the two arms for the hammer handle.

• Arm length: Distance the support arms project from the backplate.

• Fix Point channel lock bump: Enables the rounded locator in the mounting slots; leave enabled with grooved Fix Points.

Printing and fit

PETG is a suggested starting material for the rigid holder. Verify that the head cannot pass through the gap and that the mount stays secure during removal. Test gradually with your actual hammer; no load rating is claimed.

The exported meshes have been checked digitally for closed edges and expected dimensions. The size variants have not all been physically test-printed. Fit, retention and strength depend on your tool, material and printer. Build photos will be added separately.

Credits

Parametric holder design and custom horizontal locator ridge by Colin MacLeod. The mounting slots use the official Multiboard Fix Point negative/cutout geometry from MultiBuild / MultiBoard LTD (formerly Keep Making). Credit to MultiBuild for the underlying mounting interface; see the official Fix Point Slots STEP remixing files.

I am sharing this design for free as a hobby project. I am not selling it or profiting from it.

The reused MultiBuild geometry remains subject to the MultiBuild license, including its terms for commercial use. This is a community-made holder, not an official MultiBuild product, and no endorsement is implied.