MicroRAM-L16v1 – Adjustable Sewing Machine Laser Guide Mount
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MicroRAM-L16 is a compact, 3D-printable adjustable laser guide mount designed for sewing machines.
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MicroRAM-L16 V1
Copyright © 2026 DocTarboro
Licensed under Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International — CC BY-NC-SA 4.0
Full BOM and Instruction PDF's provided.
MicroRAM-L16 is a compact, 3D-printable adjustable laser guide mount designed for sewing machines.
It is built around a 16 mm diameter laser pointer and uses a dual Hirth-style indexed joint system for secure pan and tilt adjustment. The tapered 36-tooth joints lock in 10° increments and are designed to resist vibration while still being easy to reposition.
The mount includes a removable adhesive base for mounting to the sewing machine without drilling, a reinforced articulating arm, a split compression-style laser clamp, and tool-free thumb screw options for quick adjustment.
Designed for PETG and standard metric hardware, the MicroRAM-L16 is intended to be compact, strong, easy to print, and easy to customize or remix.
Material: PETG
Nozzle: 0.4 mm
Layer height: 0.16 mm
Walls: 4
Top/Bottom layers: 5
Infill: 25–30%
Infill pattern: Gyroid
Wall generator: Arachne
Supports: Only where necessary; block supports from all Hirth faces, nut pockets, and the laser bore
Seam: Rear / aligned if possible
Brim: Not normally needed; 3–5 mm only if Part 4 or Part 5 wants extra stability
For the Hirth teeth, I would not push speed hard. Those are the precision features that make the whole mount work