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Bahtinov Mask Drawings Generator

This is Bahtinov Mask generator. Cloudynights thread
Programmed by Satoru Takagi.

If you are interested in collimation, you may consider the tri-bahtinov mask.

Unit: F.L.:[mm], Diameters:[mm] F.L.:[mm], Diameters:[in] F.L.:[in], Diameters:[in] F.L.:[mm], Radius:[mm] F.L.:[mm], Radius:[in] F.L.:[in], Radius:[in]

Focal Length :
Outer Diameter :	Aperture
Inner Diameter :	Central Obstruction

:Build boundary stem :Equalize Upper & Lower areas
Hairline StemWidth = 0.2362in StemWidth : SlitWidth = 1:2.0 StemWidth : SlitWidth = 1:1.8 StemWidth : SlitWidth = 1:1.6 StemWidth : SlitWidth = 1:1.4 StemWidth : SlitWidth = 1:1.3 StemWidth : SlitWidth = 1:1.2 StemWidth : SlitWidth = 1:1.1 StemWidth : SlitWidth = 1:1 StemWidth : SlitWidth = 1.1:1 StemWidth : SlitWidth = 1.2:1 StemWidth : SlitWidth = 1.3:1 StemWidth : SlitWidth = 1.4:1 StemWidth : SlitWidth = 1.6:1 StemWidth : SlitWidth = 1.8:1 StemWidth : SlitWidth = 2.0:1 :Use 3rd order spectrum
Bartinov Factor: 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 inW: outW: :Rounding
hiddenDL

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SVG Source

Download using upper buton or copy following source text and save as
[maskName].svg using text editor, and open it by inkscape.

If you want a DXF file, you can export the DXF with Inkscape's "Save As". Provided, to maintain scale,
you should change the base unit to "mm" or "in" in the options dialog that appears.

use value