2in Crayford Focuser
thingiverse
2in Crayford Focuser specifically for 3D printing. download note: If you are gluing the runners to the drawtube with superglue or epoxy please use CRAY_2in Drawtube RevB. If you are using 0.25mm VHB or double sided sticky tape to attach the runners please use CRAY_2in Drawtube RevA. The reason for this is that RevB has a 0.2mm offset OUTWARDS because glue is much thinner than tape. Full assembly details are on my telescope making website here: https://marcosatm.com/2020/06/04/2in-crayford-focuser/
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