Polar Fine Adjustment Unit --Upgraded version
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Smaller, more refined, and easier to assemble. No insert nuts needed—just standard nuts.
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Updated at source:
Model information
- Source
- Printables
- Category
- Physics & Astronomy
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
[Updated: 19 July 2025]
- All screws and bolts except one M8 have been unified to M5. (Side1_v4, Side2_v4 and AZ_Top_v4)
- The altitude and azimuth adjustment section has been enhanced. It is now stronger. (Side1_v4 and AZ_Top_v4)
[Updated: 16 July 2025]
- I made some changes to the CenterUnit. I made it so you can attach both M8-35mm wide and M6-40mm wide clamps.
- The width of the banana-shaped hole for fixing the AZ-Top was 4.8mm in diameter. I corrected it to 5.2mm in diameter.
- The width of the Arca plate on AZ_Bottom was 0.5mm too large, so I made it 1mm smaller.
- The knobs for fixing and adjustment can also be purchased from Amazon.
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This is a head for polar axis alignment.
This is designed to be mounted on a tripod using an Arca-Swiss clamp.
Designed for lightweight, portable equatorial mounts only.
Do not mount heavy-duty units.
Polar axis and Arigata Plane are;
Perpendicular: for where the altitude is from 25 to 48 degrees. (AZ-GTi, SeeStar, etc)
Parallel: for where the altitude is from 42 to 65 degrees. (Polarie U, Skymemo, etc)
[BOM]
Bearing 6802 (15mm x 24mm x 5mm) x 1
M8 60mm Hex hole Screw x 1
M8 Nylon Nut x 1
M8 Nut x 2 //For fixing Arigata Clump
M6 Nut x 2 //For fixing Arca Clump
M5 Bolt 60mm or 65mm x 1
M5 Hex hole Screw 40mm x 1
M5 Hex hole Screw 25mm x 2
M5 Hex hole Screw 15mm x 1
M5 Nut x 9
M3 Hex hole Screw 4mm or 6mm x 2 //Option
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M5 Bolt 25mm x 6 //Adjustment Knob and Fix Knob
or buy following;
https://amzn.to/4eTM59J
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