Bahtnikov Mask for Celestron Sky Prodigy 130 or NexStar 130
thingiverse
Human: Bahtnikov Mask for Celestron Sky Prodigy 130 or NexStar 130. I generated optimal dimensions using http://astrojargon.net/maskgenerator.aspx and drew this design up in DesignSpark Mechanical. This mask should be suitable for any 650mm focal length newtonian with a 150mm opening. Instructions To create, print this in black ABS with 0.2mm layer height, one shell, and 100% infill. Based on your slicer and nozzle size, you might experience issues printing the 2.2mm wide slats solidly. Simplify3D with a 0.4mm nozzle had difficulty printing infill with two shells. To complete the installation, simply attach a few pieces of self-adhesive velcro (with soft sides) to the tabs. This will ensure a snug fit in the scope without excessive flexing.
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