Bahtinov Mask - AT60ED - Flange Type

I can't claim to have “made” this model, it was generated from skye.rocks mask generator based on input values. Tweaked for fit but tried to retain the math aspect for this telescope, an Astro-Tech AT60ED

Boss diameter: 75.70mm, the part that sits inside the scope end

Boss thickness: 2mm

Flange width: 4mm 

Flange thickness: 2mm

Overall thickness: 4mm

Intended aperture: 60mm (scope listing)

I have tested this one and it works well.