PitClamp Mini

Summary

3d printed modular quick-release adjustable and removable mount ecosystem for 57AIM, 42AIM, iHSV57 NEMA23 motors. Stress tested to 50 ft-lb without grip being compromised. (PLA 5 walls 15% crosshatch infill)

Supported motors:

• 57AIM (30/15/10)

  • "Gold Motor" == 57AIM30 [Recommended]

• 47AIM (30/15/10)

  • "Round Motor" == 42AIM30

• iHSV57 (180w/140w)

  • Note: Smaller than 140w iHSV57 will require modifications to ring

  • This ring is two parts but snaps into two pieces after removing from printer. Clip each half around the motor.

Print Files

• All parts are intended to print in the provided file orientation (as seen in slicer preview below)

• There may be various design tricks that take advantage of 0.2mm layer height in this default orientation

Bill Of Materials

Assembly Guide Videos

Updates (Last updated - 03.06.2025)

Features

• 4 degree precision quick-adjustable rotation

• Motor can be quickly removed from mount for storage or use in another base

• Selection of bases for different use cases

  • Standard Base

    • For 3030 or 4040 extrusion top mount

    • 64mm M6 hole spacing, ~30mm overall width

  • Quick Clamp Ratchet + 3030 Extrusion Mount

    • POWERTEC 71408 or other Guide Rail MFT clamp

    • "Guide rail MFT ratchet clamp" search term to find similar products

  • Folding Mount

    • Folds flat for easier frame storage, e.g. sliding under bed

  • (Work-In-Progress) Fully Printed Tabletop Clamp

Motor Cover and All-In-One Electronics Support

v1.1 Ring (only available for 57AIM) can use M5 nuts or M5 Coupling Nuts (20mm) and has ridges for an interlocking connection to an optional rear motor cover. This is the recommended setup.

Ring offset is +5mm from the face of the PitClamp Mini Base. Standardized after testing for clearance against various rail tensioners and 3030/4040 extrusion alignment.