MountOne | Sky-Watcher SKYMAX 102 OTA Astrograph STL Set.

The MountOne Sky-Watcher SKYMAX 102 OTA Astrograph.

The 100MM Astrographs is one of four astrographs designed to work with the MountOne GOTO Telescope Mount.

 Full details on the MountOne Blog Post.

The MountOne 102OTA Astrograph STL Set includes basic STLs and calibration prints.

 The 102OTA Hardware Kit includes the following parts.

• 1 x LDO 0.9° Stepper Motor & Cable.

• 1 x GPIO Highjacker.

• 2 x 6811-2RS Bearings.

• 1 x Gates 2GT 132T Loop-Belt.

• 1 x 16T 2GT Pulley.

• 1 x 36T 2GT Pulley.

• 15 x M5 20mm Screws for Plastic.

• 4 x M2.5 8mm Screws for Plastic.

• 4 x M3 8mm Countersunk Bolts.

• 4 x M2.5 15mm Standoffs.

• 4 x M2.5 4mm Socket Cap Screws.

• 5 x M2 6mm Socket Cap Screws.

 The Hardware Kit also includes the 102OTA CAD Pack.

 The 102OTA CAD Pack contains all digital resources for the MountOne 102OTA Astrograph.

• STEP Files, including the Main Assembly.

• STL Files, full sets with all calibration sizes.

• F3Z Fusion Files, the fully-editable Master Assembly.

• PDF Files, Bill-Of-Materials with Fixings & Printed Parts.

Complete documentation, including printing and assembly guides, is available online

MountOne Documentation.

Version History.

09/04/2026 | First Release.