update Jun 29, 2025: uploaded new step file will all models.

Moved mounting bolt nuts for additional strength.
Changed backlash nuts to nylon insert lock-nuts and moved them for easier adjustments.
Added Oil/grease passages.

BOM:

• 12 M3 locknuts
• 12 M3 x 16 SHCS
• 7 M5 L7.0 x D7.0 heatserts
• 4 M5 x 40 BHCS
• 2 M5 x 45 BHCS
• 1 M5 x 15 BHCS (original)
• 6 leadscrew nuts (original)