Mak-Cass to SCT Adapter
thingiverse
This adapter has a 45mm 24tpi female thread (~1mm pitch) for screwing onto the rear of a Mak-Cass telescope, and converts to a 2" 24tpi male thread for attaching to 2" filters, field reducers etc. commonly used with Schmidt-Cassegrain (SCT) telescopes. Instructions Suggest printing at 0.1mm layer height. (Thread generation routines by Freakin' Sweet Apps, LLC (stl_cmd@freakinsweetapps.com))
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